November/December 2012 路 Product focus on conventional valves
Sizing tubes for hydraulic systems
also inside:
analysis of a hydraulic oil failure
basic vacuum components
November/December 2012 路 Product focus on conventional valves
Exactly
Photo used with permission of The Charles Machine Works, Inc.
Ingenious solutions move us forward
Your source for energy-efficient hydraulics for demanding mobile challenges No matter how tough conditions on the job site get—bad weather, limited access, rock-hard soil with one boulder after another—the job’s got to get done, on-time and on budget. Operators need energy-efficient mobile machines engineered to deliver rugged, reliable performance while complying with more stringent emissions regulations. Count on Rexroth to help: As a global leader in mobile hydraulics technology, we work with you to build mobile machines with improved energy efficiency, reduced noise, better power management and more intelligent control. The result: mobile solutions that move you forward … and help sustain your competitive edge.
Bosch Rexroth Corporation www.boschrexroth-us.com/construction Circle 115
Keeping American Industries Moving One Cylinder at a time... Yates supplies high-quality cylinders for virtually all hydraulic and pneumatic applications. If you can put cylinders and manufacturing in the same sentence, chances are Yates has a cylinder. We have experience in a variety of different industries, including: Primary Metal, Machine Manufacturing, Automotive, Plastics, Military/Defense, Aerospace, Wind Power, Solar Power, Battery Power, Aviation, Transportation, Amusement Park, Offshore/Marine (ABS), Food and Drug, Mining, Waste Water Treatment, Shipping (ABS), Paper/Printing.
New Cylinder Manufacturing From a simple display in the heart of the Detroit Auto Show to massive steel mill operations to precision tolerance machine tooling, Yates’ standard and custom designed hydraulic and pneumatic cylinders have powered some of the world’s most prominent processes. The World’s largest companies have relied on Yates for hydraulic and pneumatic cylinders which meet the most demanding specifications.
Cylinder Repair & Remanufacturing Every cylinder that is sent in for repair goes through a comprehensive inspection process to determine the root cause of why the cylinder failed. This value-added inspection process allows us to work closely with our customers to identify a variety of problems.
Small Business Customer Care with Big Business Capabilities Yates Industries offers the perfect balance between big business manufacturing capabilities and small business service values.
Expanded Michigan Facility With the addition of 50,000 square feet of warehouse and manufacturing space, Yates Industries has streamlined its operations to provide faster order fulfillment.
Online Cylinder Configuration Configure hydraulic and pneumatic cylinder specifications in minutes. To configure your own cylinder visit www.YatesInd.com today.
MEMBER:
Your Cylinder Source ISO 9001:2008 CERTIFIED
Yates Industries South, LLC 3401-J Highway 20 Decatur, AL 35601 ph 256.351.8081 fax 256.351.8571
Yates Industries, Inc. 23050 Industrial Dr. E. St. Clair Shores, MI 48080 586.778.7680 ph 586.778.6565 fax
7 Days - 800.340.6024 After Business Hours Circle 489
contents november/december 2012
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Volume 19
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Issue 10
Departments 04 Notable Words 10 Association News 29 Product Review 30 Calendar of Events 32 Industry News 34 Product Spotlight
40
features
07 21 24 26 28 40
Energy-Efficient Hydraulics and Pneumatics Conference Schedule of Events Basic vacuum components By Daniel Pascoe, General Manager, Vacuforce, Inc.
analysis of a hydraulic oil failure
Save the Date!
By Brendan Casey, www.HydraulicSupermarket.com
Sizing tubes for hydraulic systems By G. K. Fling, P.E., CFPS, Southwestern Controls
Get Social With Us!
Fluid Power Best Practices and beyond
Modern Technology behind Historical Wall: Bolshoi Theater Boasts Extremely Flexible Stage Technology By Bosch Rexroth Corp. 2
November/december 2012
www.fluidpowerjournal.com | www.ifps.org
42
Tech Tips
43
Web Marketplace
46
Classifieds
Publisher’s Note: The information provided in this publication is for informational purposes only. While all efforts have been taken to ensure the technical accuracy of the material enclosed, Fluid Power Journal is not responsible for the availability, accuracy, currency, or reliability of any information, statement, opinion, or advice contained in a third party’s material. Fluid Power Journal will not be liable for any loss or damage caused by reliance on information obtained in this publication.
Fluid Power Journal is the official publication of the International Fluid Power Society
SUPERIOR ENGINEERING OUTSTANDING PERFORMANCE
Go to work with Muncie Power’s premium performance
Extended stage overlap establishes a strong and stable
Telescopic Hoist Cylinder. With precision engineering and
extension that minimizes bending, while reducing hydraulic fluid
specialized machining in each stage of the cylinder, Muncie’s
usage.
cylinders exceed our competitor's in strength, performance and
These and many more exclusive features by Muncie Power,
durability throughout the life of the system.
provide a superior product for your fluid power applications.
Formed from a solid piece of steel, each stage of the cylinder
For more information about Muncie’s Cylinders, go to
is machined, then polished to exacting standards to ensure
www.munciepower.com/cylinders.
maximum seal performance and reliability.
© 2012 Muncie Power Products, Inc.
Member of Interpump Group
w w w. mu n c i e p ow e r. c o m
Circle 490
Notable Words Publisher Innovative Designs & Publishing, Inc. 3245 Freemansburg Avenue, Palmer, PA 18045-7118 Tel: 800-730-5904 or 610-923-0380 Fax: 610-923-0390 | Email: AskUs@ifps.org www.FluidPowerJournal.com Associate Publisher: Marc Mitchell Editor: Kristine Coblitz Technical Editor: Dan Helgerson, CFPS, CFPAI, CFPJPP, CFPMT, CFPC&C Art Director: Quynh Vo Account Executive: Bob McKinney VP Operations: Lisa Prass Accounting: Donna Bachman, Debbie Clune Publishing Assistant: Sharron Sandmaier Operations Assistant: Tammy DeLong Circulation Manager: Andrea Karges
Is IFPS Certification Right For You?
H
ow safe are my employees? How efficient and reliable are my systems? What is my competitive advantage? Am I certifiable; are my employees? These are questions every leader asks. Well maybe not that last question in the literal sense, but you should consider it in the professional sense, by asking is IFPS certification right for you and your employees? In a competitive market, success depends on persuading potential customers that your company can do a job better and more cost effectively than anyone else. You have plenty of experience, good references, and a solid reputation, but there's only one way to make sure customers know you are among the finest in our industry: IFPS certification. The IFPS is the only organization that provides comprehensive technical certification offerings for all professionals in the fluid power and motion control industry. Fluid power distributors, manufacturers, and endusers rely on the IFPS for comprehensive educational and training offerings to create a safer, more efficient workforce. IFPS certification is your competitive advantage. It assures your customers that you and your employees have not only mastered the appropriate skills and tools, but also made a commitment to professionalism and safety. And because the IFPS certifies thousands of fluid power professionals each year and serves as the industry standard for assessing the knowledge and skill level of your employees, IFPS certification confers instant credibility on your company. Certification reflects your dedication to the highest standards in the fluid power industry. In short, when customers choose to work with IFPS-certified individuals, they're assured of improved safety, improved reliability, greater efficiency, reduced liability, and decreased environmental impact. Because fluid power certification requires an investment of time and resources, it's fair to ask if that
International Fluid Power Society 1930 East Marlton Pike, Suite A-2, Cherry Hill, NJ 08003-2141 Tel: 856-489-8983 | Fax: 856-424-9248 Email: AskUs@ifps.org www.ifps.org
Donna Pollander IFPS Executive Director
investment is worthwhile. Every company has different objectives and different needs, but the fact is that potential customers increasingly are looking to fluid power certification as a guarantee not just of technical proficiency, but also of professionalism. By encouraging your employees to seek certification, or seeking the certification yourself, you are making a significant investment in your company and you are telling your customers, as well as potential customers, that you hold your company and your employees to the highest standards. Thus, fluid power certification can be used as an effective tool for sales and recruiting. For fluid power distributors, manufacturers, and end-users, certification will do the following: • Provide a benchmark for assessing new employees, enabling you to employ the most talented workforce • Offer increased credibility • Create a highly skilled workforce • Improve safety • Improve reliability • Create greater efficiency • Reduce liability • Decrease environmental impact Whether your employees are engineers, designers, specialists, technicians, or mechanics, IFPS has a certification program that will meet your company’s specific needs. Please take a moment to call or visit the IFPS website at www.ifps.org to determine which program is the best for you!
2012 Board of Directors President & Chairperson Patrick J. Maluso, CFPAI, CFPS, CFPMHM Western Hydrostatics, Inc. Immediate Past President Jon Jensen, CFPAI, CFPPS, CFPECS SMC Corporation of America First Vice President Mark Perry, CFPHS - Fitzsimmons Hydraulics Vice President Education Jimmy Simpson, CFPAI, CFPS, CFPMM Nusim Associates Fluid Power Consultant Treasurer Tom Blansett, CFPAI, CFPS, CFPIHT - Eaton Corporation Vice President Membership & Chapter Support Richard Bullers, CFPPS, SMC - Corporation of America Vice President Certification Wayne Farley, CFPAI, CFPMMH - Verizon Vice President Marketing & Public Relations Justin Sergeant, CFPS, CFPMHM - Hydraulic Repair and Design Vice President Educational Foundation Liz Rehfus, CFPE, CFPS - Crafting Solutions, Inc. Directors-at-Large Jean Knowles, CFPE, CFPS - Spencer Fluid Power, Inc. Marti Wendel, CFPE, CFPS - The Paquin Company, Inc. L. David Ruffus, CFPAI, CFPMHT, CFPMHM Georgia Power Company Timothy White, CFPAI, CFPS, CFPECS, CFPMIH, CFPMMH, CFPMIP, CFPMT, CFPMM - The Boeing Company Mike Anderson, CFPS - Motion Industries Bill Jordan, CFPAI, CFPMHM - Altec Industries Rance Herren, CFPSD, CFPECS - National Oilwell Varco Dan Helgerson, CFPS, CFPAI, CFPJPP, CFPMT, CFPC&C Cascade Steel Rolling Mills, Inc. Sam Skelton, CFPAI, CFPPS - SMC Corporation of America D. Dean Houdeshell, PE, CFPAI, CFPE, CFPS, CFPIHT, CFPMHT, CFPMHM - Sauer Danfoss Kenneth Dulinski, CFPAI, CFPECS, CFPHS, CFPMIH, CFPMMH - Eaton Corporation Honorary Directors Robert Firth Raymond Hanley, CFPE/AI-Emeritus John Groot, CFPPS Robert Sheaf, CFPAI, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM IFPS Staff Executive Director: Donna Pollander Certification Manager: Sue Tesauro Communications Manager: Adele Kayser Membership Coordinator: Sue Dyson Certification Coordinator: Connie Graham Certification Coordinator: Diane McMahon Administrative Assistant: Beth Borodziuk Bookkeeper: Diane McMahon Fluid Power Journal (ISSN# 1073-7898) is the official publication of the
Technical Editor’s Note; In the September/October issue of the Journal, the “Notable Words” article had an error in the text. The fourth paragraph and the second sentence reads in part, “The amount of water consumed by fluid power …” It should read, “The amount of energy consumed by fluid power …”
International Fluid Power Society published bi-monthly with four supplemental issues, including a Systems Integrator Directory, Off-Highway Suppliers Directory, Tech Directory, and Manufacturers Directory, by Innovative Designs & Publishing, Inc., 3245 Freemansburg Avenue, Palmer, PA 180457118. All Rights Reserved. Reproduction in whole or in part of any material in this publication is acceptable with credit. Publishers assume no liability for any information published. We reserve the right to accept or reject all
4
November/december 2012
www.fluidpowerjournal.com | www.ifps.org
advertising material and will not guarantee the return or safety of unsolicited art, photographs or manuscripts.
Circle 491
Energy Efficient Hydraulics and Pneumatics Conference November 27-29, 2012 Chicago Marriott O’Hare, Rosemont, IL
Hosted by the International Fluid Power Society (IFPS), the FPDA Motion and Control Network (FPDA), and the National Fluid Power Association (NFPA)
Saving energy and money with fluid power Fluid power (hydraulics and pneumatics) is used in dozens of industries and hundreds of applications to precisely control the movement of machinery and material. Yet many engineers and technicians working in those industries do not fully understand the design concepts critical to developing efficient fluid power systems and the diagnostic and maintenance techniques essential to keeping those systems operating at peak efficiency. These concepts and techniques can result in significant energy and cost savings for companies that use hydraulics or pneumatics, as well as for the customers they serve, making fluid power a more competitive technology choice.
The conference will offer: ● Facilitated roundtable discussions, where peers can share specific challenges associated with their industry and applications, and get expert advice from the facilitators. ●
●
●
To help companies take advantage of these opportunities, three leading fluid power organizations— the International Fluid Power Society, the FPDA Motion and Control Network, and the National Fluid Power Association—will be hosting an educational conference at the Chicago Marriott O’Hare in Rosemont, IL on November 27-29, 2012. Professionals responsible for designing and/or maintaining hydraulic and pneumatic systems in industrial settings or mobile applications should plan to attend.
●
Breakthrough presentations from fluid power component manufacturers, distributors, and system integrators, showcasing innovative approaches and emerging technologies in energy efficient fluid power design and maintenance. Workshops designed to communicate the current best practices for maximizing energy efficiency and balancing cost issues for hydraulic and pneumatic systems. A full-day seminar on November 27, the Fundamentals of Compressed Air Systems. This hands-on training session, conducted by the Compressed Air Challenge, will show participants how to calculate and reduce the costs of compressed air in their industrial facilities and how to gain better control of compressed air for optimum reliability and productivity. Networking events to help participating engineers and technicians engage with technology providers from fluid power manufacturing and distribution companies.
For all the details and how to register, go to www.nfpa.com/Events/EEHPC.htm.
Energy-Efficient Hydraulics and Pneumatics Conference Schedule of Events Tuesday, November 27, 2012
2:40 pm to 2:50 pm
Break
8:00 am to 5:00 pm
2:50 pm to 4:00 pm
Workshops (cont.)
4:00 pm to 5:00 pm
Round-Table Discussion “Round-Up”
6:30 pm to 9:00 pm
Reception and Dinner
Thursday, November 29, 2012 7:30 am to 8:30 am
Breakfast Served
Wednesday, November 28, 2012
8:30 am to 12:30 pm
7:30 am to 8:30 am
Breakfast Served
8:15 am to 9:00 am
Opening Remarks Pat Maluso, IFPS President Estimating the Impact (Energy, Emissions, and Economics) of the U.S. Fluid Power Industry Lonnie Love, Oak Ridge National Laboratory
Interactive Workshops: Applying Practical Techniques for Energy-Efficient Fluid Power Systems Room A - Pneumatic • Tricks to Using the Least Amount of Air Jon Jensen, Samuel Skelton, Aleks Shmushkin, and John Martin, SMC Corp. of America Room B - Hydraulic • Applying Present Technologies and Practical Techniques for Developing Energy-Efficient Hydraulic Systems Ernie Parker, Hennepin Technical College Room C - Hydraulic • How to Demonstrate the Return on Investment Energy-Efficient Design Dan Helgerson, Cascade Steel Rolling Mills; Steven Zumbusch, Eaton Corp.
6:00 pm to 8:00 pm
The Fundamentals of Compressed Air Systems Separate registration fee applies. This hands-on training session, conducted by the Compressed Air Challenge, will show participants how to calculate and reduce the costs of compressed air in their industrial facilities and how to gain better control of compressed air for optimum reliability and productivity. Welcome Reception and Networking
9:00 am to 10:15 am
Round-Table Discussions: Sharing Information to Solve Real-World Problems
10:15 am to 10:30 am
Break
10:30 am to 12:30 pm
Breakthrough Presentations: Products and Practices for Increasing Energy Efficiency Room A - Pneumatic • Measuring Energy Usage at System and Component Level Panelists: John Berninger, Parker Hannifin Corp.; Rod Smith, Compressed Air Best Practices; Bill Scales, Scales Industrial Technologies; Aleksandr Shmushkin, SMC Corp. of America Room B - Hydraulic • Cartridge Valve and Manifold Technologies Kevin Cochran, Sun Hydraulics Corp. • Secondary Control of Hydrostatic Transmissions Michael Teuteberg, Bosch Rexroth Room C - Hydraulic • New Energy-Saving Technologies for the Mobile Equipment Industry Panelists: Bryan Nelson, Caterpillar, Inc.; Jeff Herrin, Sauer Danfoss; Steven Zumbusch, Eaton Corp.; Paul Michael, Milwaukee School of Engineering
12:30 pm to 1:30 pm
Networking Lunch
1:30 pm to 4:00 pm
Workshops: Designing, Building, and Maintaining Energy-Efficient Machines with Fluid Power Room A - Pneumatic • Designing and Building a Machine for Energy Efficiency (and Convincing the Customer That It’s Worth It!) Terry Zarnowsky, Schneider Packaging Equipment Co. • When Is It More Efficient to Use Electric Actuators and When Are Pneumatics Better? Gil Guajardo, Bimba Manufacturing Co. Room B - Industrial Hydraulic • Methods and Tools to Identify, Analyze, Compare, and Reduce Energy Losses in Industrial Hydraulic Systems Paul Smith, Eaton Corp. • Variable Frequency Drives as Pump Prime Movers Dr. Gerd Scheffel, Parker Hannifin Corp. Room C - Mobile Hydraulic • Fan Drives in Mobile Hydraulic Systems Matt Kronlage, Turolla OpenCircuitGear™ (Member of the Sauer-Danfoss Group) • Saving Energy with Hydro-Mechanical Transmissions Michael Cronin, Caterpillar, Inc.
12:30 pm to 1:30 pm
Lunch Served
THE FUTURE OF ENERGY-EFFICIENT FLUID POWER An afternoon program designed to inform and engage conference participants in a discussion about the future direction of energy-efficient fluid power. 12:50 pm to 1:00 pm
Opening Remarks Eric Lanke, NFPA CEO
1:00 pm to 1:20 pm
Research Directions and Projects from the Center for Compact and Efficient Fluid Power (CCEFP) Kim Stelson, Director, CCEFP
1:20 pm to 1:40 pm
Additive and Emerging Manufacturing Technologies and Their Impact of Fluid Power Components and Systems Lonnie Love, Oak Ridge National Laboratory
1:40 pm to 2:20 pm
Future Technology Focus – Displacement Control Actuation Monika Ivantysynova, Purdue University Panel: TBD
2:20 pm to 2:30 pm
Introduction of Breakout Discussions Eric Lanke, NFPA CEO
2:30 pm to 2:40 pm
Break
2:40 pm to 3:40 pm
Breakout Discussions: Market Needs and New Technologies Room A - Pneumatic • Discussion Leaders: Jon Jensen, SMC Corp. of America Room B - Industrial Hydraulic • Discussion Leaders: Kim Stelston, CCEFP; TBD Room C - Mobile Hydraulic • Discussion Leaders: Monika Ivantysynova, Purdue University; Chris Beaudin, Caterpillar
3:40 pm to 3:50 pm
Break
3:50 pm to 4:20 pm
Reports from Discussion Groups
4:20 pm to 4:30 pm
Closing Remarks Eric Lanke, NFPA CEO
www.ifps.org | www.fluidpowerjournal.com
November/december 2012
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Circle 492
Certification Levels Available
association news
IFPS – International Fluid Power Society
CFPAI Certified Fluid Power Accredited Instructor
CFPPS Certified Fluid Power Pneumatic Specialist
CFPMHT Certified Fluid Power Mobile Hydraulic Technician
CFPAJPP Certified Fluid Power Authorized Job Performance Proctor
CFPECS Electronic Controls Specialist
CFPPT Certified Fluid Power Pneumatic Technician
CFPAJPPCC Certified Fluid Power Authorized Job Performance Proctor Connector & Conductor CFPE Certified Fluid Power Engineer CFPS Certified Fluid Power Specialist (Must Obtain CFPHS, CFPPS) CFPHS Certified Fluid Power Hydraulic Specialist
CFPMEC – in development Mobile Electronic Controls CFPIEC – in development Industrial Electronic Controls CFPMT Certified Fluid Power Master Technician (Must Obtain CFPIHT, CFPMHT, & CFPPT)
Jason Bousman, MHM Altec Industries, Inc.
Brennen Ryan, PS Allied Automation, Inc.
Sara Christenson, HS Hyspeco, Inc.
Sanjay Shingade, HS Midwest Engineering Works, LLC
Christopher Hannan, PS Skarda Equipment Co. Nick Hobbs, PS Allied Automation, Inc.
Matthew Smith, PS Vox Printing Thomas Spaeder, IHT Alcoa Mill Products, Inc. Andrew Weidman, IHT Alcoa Mill Products, Inc. Chase Younker, HS Allied Power Products
Jim Koerner, PS Allied Automation, Inc. Sean Kourey, MHM Altec Industries, Inc. Aaron Meyer, HS Hydraquip Distribution, Inc. Thomas Mitchell, MHM Altec Industries, Inc.
10
November/december 2012
CFPPM Certified Fluid Power Pneumatic Mechanic
CFPMIP Certified Fluid Power Master of Industrial Pneumatics (Must Obtain CFPPM, CFPPT, & CFPCC) CFPCC Certified Fluid Power Connector & Conductor CFPSD Fluid Power System Designer
2012 / 2013 Dates
Kyle Richardson, HS Hydraquip Distribution, Inc.
Jeffrey Gainer, IHT Alcoa Mill Products, Inc.
CFPMHM Certified Fluid Power Mobile Hydraulic Mechanic
CFPMMH Certified Fluid Power Master of Mobile Hydraulics (Must Obtain CFPMHM, CFPMHT, & CFPCC)
Visit www.ifps.org for registration information.
Tim Bode, MHM Altec Industries, Inc.
Chad Fleming, HS HYDAC Canada
CFPIHM Certified Fluid Power Industrial Hydraulic Mechanic
CFPIHT Certified Fluid Power Industrial Hydraulic Technician
IFPS Newly Certified Professionals
William Coe, HS Hydraquip Distribution, Inc.
CFPMM Certified Fluid Power Master Mechanic (Must Obtain CFPIHM, CFPMHM, & CFPPM)
CFPMIH Certified Fluid Power Master of Industrial Hydraulics (Must Obtain CFPIHM, CFPIHT, & CFPCC)
Meetings and Conferences Energy-Efficient Hydraulics and Pneumatics Conference
November 27-29, 2012 | Chicago Marriott O’Hare Airport Hotel | Rosemont, IL The Fundamentals of Compressed Air Systems November 27 | Chicago Marriott O’Hare Airport Hotel | Rosemont, IL
2013 IFPS 2013 Spring Meeting
February 27-March 2, 2013 | San Antonio, TX
IFPS 2013 Annual Meeting
September 25-28, 2013 | Buffalo, NY
e e! Sthae v Dat
Certification Review Training Hydraulic Specialist (HS) certification Review and Test
HS Review and testing offered through Eaton Corp. December 11-13, 2012 | Eden Prairie, MN Industrial Hydraulic Mechanic (IHM) certification Review and Test
IHM Review offered through Challenger Institute of Technology November 26-29, 2012 | Western Australia, Australia Connector and Conductor (CC) Certification Review and Test
CC Review and testing offered through Pirtek USA January 16-17, 2013 | Rockledge, FL
New - Live Distance Learning Job Performance Station Reviews. E-mail CFC-Solar, Inc. (info@cfc-solar.com) for information.
Web Seminars “Accumulators In Hydraulic System”
1-hour web seminar | December 5, 2012, 12:00 noon - 1:00 p.m. EST Presented by: Jim Lane, CFPAI, Motion Industries, Inc. www.fluidpowerjournal.com | www.ifps.org
tick tock
Less downtime with every valve.
Power. Precision. Performance.
Continental Hydraulics knows that time is money, that’s why we offer a complete line of Proportional Directional Valves with integrated digital electronics for maximum precision, durability and reduced hysteresis. Our high performance valves are available in all standard NFPA mounting patterns and flow ranges. The on-board microprocessor provides fast response times, seamless interchangeability among valves and supports software-based, hydraulic parameter modifications to ensure optimal load movement. Factory calibrated for time-savings, output range assurance and easy valve-to-valve exchange, our proportional valves offer a smooth, shock-less motion and precise position control to reduce down time, increase production rates and make every second count.
PUMPS
VALVES
POWER UNITS
952. 895. 6400 | www.continentalhydraulics.com Circle 493
association news
IFPS – International Fluid Power Society
The 2013 Fluid Power Society Board of Directors Jose Garcia, CFPHS - Purdue University Jim Lane, CFPAI, CFPS - Motion Industries, Inc.
Mark Perry, CFPHS, Fitzsimmons Hydraulics, was elected as the 53rd president of the International Fluid Power Society during its recent annual meeting in Anaheim, Calif. Mark Perry will take office in January 2013.
(Term expiring 2014) Alan Niesen, CFPS, CFPIHM, CFPMHM - HFI Fluid Power Products D. Dean Houdeshell, PE, CFPAI, CFPE, CFPS, CFPIHT, CFPMHT, CFPMHM - Sauer Danfoss Kenneth Dulinski, CFPAI, CFPECS, CFPHS, CFPMIH, CFPMMH - Eaton Corp.
The following Officers were also confirmed at the IFPS 2012 Annual Meeting: • First Vice President - Tom Blansett, CFPAI, CFPS, CFPIHT, CFPCC - Eaton Corp. • Immediate Past President - Patrick J. Maluso, CFPAI, CFPS, CFPMHM Western Hydrostatics, Inc. • Treasurer - Dan Helgerson, CFPAI, CFPS, CFPECS, CFPMT, CFPSD Cascade Steel Rolling Mills, Inc. • Vice President Certification - Rance Herren, CFPS, CFPECS, CFPSD, CFPCC - National Oilwell Varco • Vice President Marketing and Public Relations - Justin Sergeant, CFPS, CFPMHM - Hydraulic Repair and Design • Vice President Education - Sam Skelton, CFPAI, CFPPS - SMC Corp. of America • Vice President Membership - Richard Bullers, CFPPS - SMC Corp. of America • Vice President Educational Foundation - Jimmy Simpson, CFPAI, CFPS, CFPMM - Nusim Associates Fluid Power Consultant
(Term expiring 2015) Timothy White, CFPAI, CFPS, CFPECS, CFPMIH, CFPMMH, CFPMIP, CFPMT, CFPMM - The Boeing Co. Marti Wendel, CFPE, CFPS - The Paquin Company, Inc. Jeff Kenney, CFPIHM, CFPMHM, CFPMHT - Coastal Hydraulics Scott Gower, CFPS - Gulf Controls Company, LLC
The following Directors-at-Large were also confirmed:
Jon Jensen, CFPAI, CFPPS, CFPECS - SMC Corp. of America Wayne Farley, CFPAI, CFPMMH - Verizon Jean Knowles, CFPE, CFPS, Spencer Fluid Power, Inc. L. David Ruffus, CFPAI, CFPMHT, CFPMHM - Georgia Power Company
(Term expiring 2013) Mike Anderson, CFPS - Motion Industries Bill Jordan, CFPAI, CFPMHM, CFPMHT - Altec Industries
Honorary Directors-at-Large Robert Firth Raymond Hanley, CFPE/AI-Emeritus John Groot, CFPPS Robert Sheaf, CFPAI, CFPE, CFPS, CFPECS, CFPMT, CFPMIP, CFPMMH, CFPMIH, CFPMM The following have fulfilled their tenure on the IFPS Board:
Congratulations New IFPS Accredited Instructors IFPS supports career advancement through ongoing education and training. IFPS accredited instructors are certified professionals who train and prepare individuals for IFPS certification programs. All IFPS accredited instructors have extensive backgrounds and instructional experience in the fluid power industry. In addition to their instructor accreditation, they are committed IFPS members and hold various levels of IFPS certifications.
IN ITED STRU ED PO
FL
D UI
W
ER
Kent Darnell, CFPHS - Womack Machine Supply Co. John Lewis, CFPMHM - Kelley Amerit Fleet Services Leroy Stephens, CFPS - E-One, Inc. Russell Vinton, CFPHS - Womack Machine Supply Co. Dan Turner, CPFIHT, CFP, MHT, CFPCC - Turner Hydraulics, Inc. Jon Rhodes, CFPECS - CFC-Solar, Inc. Steve Malone, CFPS, CFPIHT, CFPMHT - CFC-Solar, Inc. Gwyn O'Kane, CFPMHM, CFPIHM, CFPCC - Pirtek USA Dan Hautzinger, CFPPS - Kaman Industrial Technologies Corp.
OR CT
• • • • • • • • •
AC CR
Congratulations to the following new IFPS accredited instructors:
INTERNATIONAL
SO
CIETY
For information on becoming an IFPS accredited instructor, please visit www.ifps.org/Education & Training or call IFPS headquarters at 800-308-6005.
12
November/december 2012
www.fluidpowerjournal.com | www.ifps.org
Hydraulic Supply Company 300 International Parkway Sunrise, Fl 33325 THE SOURCE FOR ALL YOUR FLUID POWER NEEDS!
EATON & HYDRAULIC SUPPLY POWER AND MOTION CONTROLS THAT MOVE YOUR WORLD
Large selection of Pumps, Motors, and Valves in stock at our Eaton Express locations
22 Stocking Locations in Florida, Georgia and Tennessee In Florida: Belle Glade, Clearwater, Daytona, Ft. Lauderdale, Ft. Myers, Homestead, Jacksonville, Lakeland, Miami, Naples, Orlando, Pompano, Sunrise, Tampa, and West Palm Beach In Georgia: Augusta, Columbus, Forest Park, Mableton, Marietta, and Savannah In Tennessee: Chattanooga
Over 19,000 items stocked—Products YOU need—Delivered when you need them! Same day shipping if ordered by 4:00 p.m.
Call 800.432.6413 or visit us on line at: www.hydraulic-supply.com Circle 494
association news
IFPS – International Fluid Power Society
IFPS Certification Testing Locations Individuals wishing to take any IFPS written certification tests are able to select from approximately 325 convenient locations across the United States and Canada. The IFPS is able to offer these locations through its affiliation with The Consortium of College Testing Centers (CCTC) provided by National College Testing Association (NCTA). To register for an IFPS written certification test: 1. Fill out an IFPS certification test application including your desired location by visiting www.ifps.org. 2. Submit your application with payment to IFPS headquarters. 3. Upon receipt of your application, you will be e-mailed instructions. Testing dates for any locations listed below are as follows: November 2012 Tuesday, 11/6 Thursday, 11/15
December 2012 Tuesday, 12/4 Thursday, 12/20
January 2013 Tuesday, 1/2 Thursday, 1/17
February 2013 Tuesday, 2/5 Thursday, 2/21
March 2013 Tuesday, 3/5 Thursday, 3/21
April 2013 Tuesday, 4/2 Thursday, 4/18
May 2013 Tuesday, 5/7 Thursday, 5/16
If you have any questions, please call IFPS headquarters at 800-308-6005 or e-mail Connie Graham at cgraham@ifps.org.
ALASKA
University of Alaska Anchorage Anchorage, AK
ALABAMA
Alabama A&M University Normal, AL
University of AL in Huntsville Huntsville, AL
ARKANSAS
Northwest Arkansas Community College | Bentonville, AR
ARIZONA
Arizona Western College Yuma, AZ Coconino Community College Flagstaff, AZ Eastern Arizona College Thatcher, AZ
La Sierra University Riverside, CA
Daytona State College Daytona Beach, FL Florida Atlantic University Boca Raton, FL
National University San Diego, CA
Florida Gulf Coast University Ft. Myers, FL
Santa Rosa Junior College Santa Rosa, CA
Florida Memorial University Miami Gardens, FL
Skyline College San Bruno, CA
Florida Southern College Lakeland, FL
The Taft University System Santa Ana, CA UC San Diego Extension San Diego, CA
Indian River State College Fort Pierce, FL
University of California Irvine, CA
Open Campus Florida Community College at Jacksonville, FL
Yuba Community College Marysville, CA
COLORADO
Community College of Aurora Aurora, CO
Mesa Community College Mesa, AZ
Community College of Denver Denver, CO
Northern Arizona University Flagstaff, AZ
Fort Lewis College Durango, CO
Paradise Valley Community College Phoenix, AZ
Front Range Community College Larimer Campus | Ft. Collins, CO
Rio Salado College Tempe, AZ
CALIFORNIA
Allan Hancock College Santa Maria, CA
California Polytechnic State University San Luis Obispo, CA California State University, Fresno Fresno, CA
Pikes Peak Community College Colorado Springs, CO
University of Colorado at Boulder Boulder, CO University of Northern Colorado Greeley, CO Yale University New Haven, CT
CONNECTICUT
DELAWARE
Santa Fe Community College Gainesville, FL University of Florida Gainesville, FL
Valencia Community College Orlando, FL
Valdosta State University Valdosta, GA
Waubonsee Community College Sugar Grove, IL
HAWAII
BYU-Hawaii Laie, HI
IOWA
Hawkeye Community College Waterloo, IA
Clayton State University Morrow, GA Columbus State University Columbus, GA Columbus Technical College Columbus, GA Darton College Albany, GA
Foothill College Los Altos Hills, CA
Delaware Technical and Community College | Georgetown, DE
Georgia Southern University Statesboro, GA
Fullerton Community College Fullerton, CA
University of Delaware Newark, DE
INDIANA
Ivy Tech Community College/ Bloomington | Bloomington, IN
Ivy Tech Community College/ Evansville | Evansville, IN
Western Iowa Community College Sioux City, IA
IDAHO
College of Southern Idaho Twin Falls, ID
Ivy Tech Community College/Gary Gary, IN Ivy Tech Community College/ Indianapolis | Indianapolis, IN Ivy Tech Community College/ Kokomo Kokomo, IN Ivy Tech Community College/ Lafayette | Lafayette, IN Ivy Tech Community College/ Lawrenceburg | Lawrenceburg, IN Ivy Tech Community College/ Madison Madison, IN
Lewis-Clark State College Lewiston, ID University of Idaho Moscow, ID College of DuPage Glen Ellyn, IL
Indiana University Indianapolis, IN
Ivy Tech Community College/ Columbus | Columbus, IN
Wartburg College Waverly, IA
GEORGIA
Georgia Gwinnett College Lawrenceville, GA
November/december 2012
University of Illinois at Urbana Champaign, IL
Eastern Idaho Technical College Idaho Falls, ID
University of South Florida Tampa, FL
Georgia State University Atlanta, GA
University of West Georgia Carrollton, GA
Brigham Young University Rexburg, ID
Delaware State University Dover, DE
Chapman University Orange, CA
Rock Valley College Rockford, IL
Boise State University Boise, ID
Polk State College Winter Haven, FL
Albany State University Albany, GA
Pueblo Community College Pueblo, CO
University of Georgia Athens, GA
University of Iowa Iowa City, IA
Hillsborough Community College Plant City, FL
Glendale Community College Glendale, AZ
Pima Community College Tucson, AZ
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FLORIDA
Brevard Community College Cocoa, FL
National Test Center San Diego, CA
Jacksonville State University Jacksonville, AL
Arizona State University Tempe, AZ
Irvine Valley College Irvine, CA
ILLINOIS
Ivy Tech Community College/ Muncie Muncie, IN Ivy Tech Community College/ Richmond | Richmond, IN
College of Lake County Grayslake, IL
Ivy Tech Community College/ Sellersburg | Sellersburg, IN
Illinois State University Normal, IL
Ivy Tech Community College/ South Bend | South Bend, IN
John A. Logan Community College Carterville, IL
Ivy Tech Community College Terre Haute, IN
Lincoln Land Community College Springfield, IL
Purdue University West Lafayette, IN
Northern Illinois University De Kalb, IL Parkland College Champaign, IL Richland Community College Decatur, IL
www.fluidpowerjournal.com | www.ifps.org
KANSAS
Johnson County Community College Overland Park, KS Kansas State University Manhattan, KS
TBN 310 Zinga Industries, Inc. is pleased to announce a new reservoir breather. The TBN 310 has been engineered to be a strong competitor in the spin-on reservoir breather market. Features of the TBN 310: • 10 micron cellulose element • 3/4” NPTF nylon mounting • 40 SCFM normal air flow capacity • Direct interchange for other manufacturer’s 310 models • Private labeling available • Easy installation • Competitively priced • Made in the USA
Circle 495
association news University of Kansas Lawrence, KS
MINNESOTA
Wichita State University Wichita, KS University of Louisville Louisville, KY
KENTUCKY
Western Kentucky University Bowling Green, KY
LOUISIANA
Bossier Parish Community College Bossier City, LA University of Louisiana at Monroe Monroe, LA Nicholls State University, Thibodaux, LA University of New Orleans New Orleans, LA
MARYLAND
Anne Arundel Community College Arnold, MD Carroll Community College Westminster, MD
College of Southern Maryland La Plata, MD Frederick Community College Frederick, MD Harford Community College Bel Air, MD Hagerstown Community College Hagerstown, MD Howard Community College Columbia, MD University of Maryland College Park, MD
University of Minnesota - Twin Cities Minneapolis, MN University of Minnesota Morris, MN
MISSOURI
Avila University Kansas City, MO
North Shore Community College Danvers, MA University of Massachusetts Boston, MA
MICHIGAN
Delta College University Center, MI Ferris State University Big Rapids, MI Henry Ford Community College Dearborn, MI Kalamazoo Valley Community College Kalamazoo, MI Lake Superior State University Sault Ste. Marie, MI Lansing Community College Lansing, MI Macomb Community College Warren, MI
Metropolitan Community College-Penn Valley Kansas City, MO
Mercer County Community College West Windsor, NJ
University of Oregon Eugene, OR
Texas A&M International University Laredo, TX
Raritan Valley Community College Somerville, NJ
Bucks County Community College Newtown, PA
NEW MEXICO
Eastern New Mexico University Portales, NM
Southeast Missouri State University Cape Girardeau, MO
College of Southern Nevada Cheyenne Campus North Las Vegas, NV
St. Charles Community College Cottleville, MO
College of Southern Nevada Green Valley Campus Henderson, NV
State Fair Community College Sedalia, MO
University of Central Missouri Warrensburg, MO Webster University St. Louis, MO
MISSISSIPPI
Holmes Community College Goodman Campus Goodman, MS Mississippi State University Mississippi State, MS
NEW YORK
Brooklyn College - CUNY Brooklyn, NY
Rochester Institute of Technology Rochester, NY Central Ohio Tech College OSU-Newark | Newark, OH
Montana State University Bozeman, MT
Harrisburg Area Community College York Campus | York, PA
SOUTH CAROLINA
College of Southern Nevada Henderson Campus, NV
OHIO
Columbus State Community College Columbus, OH
East Carolina University Greenville, NC
Rhodes State College Lima, OH
University of Texas El Paso El Paso, TX
Orangeburg Calhoun Technical College Orangeburg, SC
Mount Olive College Mount Olive, NC
Oklahoma State University-Tulsa Tulsa, OK
North Carolina Central University Durham, NC
University of Central Oklahoma Edmond, OK
The University of North Carolina Wilmington, NC
University of Oklahoma Norman, OK
NEBRASKA
Southeast Community College Lincoln, NE
NEW JERSEY
Brookdale Community College Lincroft, NJ
Weatherford College Weatherford, TX Brigham Young University Provo, UT
Piedmont Technical College Greenwood, SC Spartanburg Community College Spartanburg, SC
Davis Applied Technology College Kaysville, UT
Utah Valley State College Orem, UT Old Dominion University Norfolk, VA
Southern Adventist University Collegedale, TN
Central Oregon Community College Bend, OR
VIRGINIA
WASHINGTON
Central Washington University Ellensburg, WA Olympic College Bremerton, WA
Western Washington University Bellingham, WA
WISCONSIN
Tennessee State University Nashville, TN
Lakeshore Technical College Cleveland, WI
The University of Memphis Memphis, TN
Marian University of Fond du Lac Fond du Lac, WI
Walters State Community College Morristown, TN
University of Wisconsin Oshkosh Oshkosh, WI
Abilene Christian University Abilene, TX
OREGON
UTAH
Salt Lake Community College Salt Lake City, UT
Technical College of the Lowcountry Beaufort, SC
Middle Tennessee State University Murfreesboro, TN
University of Akron Akron, OH
Oklahoma State University Stillwater, OK
North Dakota State University Fargo, ND
Victoria College Victoria, TX
Midlands Technical College Columbia, SC
East Tennessee State University Johnson City, TN
Guilford Technical Community College Jamestown, NC
Bismarck State College Bismarck, ND
University of Texas Brownsville Brownsville, TX
Horry-Georgetown Technical College Conway, SC
TENNESSEE
Northern Oklahoma College Tonkawa, OK
NORTH DAKOTA
University of Houston Houston, TX
University of Texas at Arlington Arlington, TX
York Technical College Rock Hill, SC
OKLAHOMA
Fayetteville State University Fayetteville, NC
Tyler Jr. College Tyler, TX
Trident Technical College Charleston, SC
The University of Toledo Toledo, OH
NORTH CAROLINA
Texas Tech University Lubbock, TX
Coastal Carolina University Conway, SC
The Ohio State University Columbus, OH
The University of Montana Missoula, MT
Texas A&M University College Station, TX Texas A&M University-Commerce Commerce, TX
HACC Gettysburg Campus Gettysburg, PA
Harrisburg Area Community College-Lancaster Campus Lancaster, PA
Franklin University Columbus, OH
University of Mississippi University, MS
PENNSYLVANIA
Harrisburg Area Community College Harrisburg, PA
College of Southern Nevada Charleston Campus Las Vegas, NV
Schoolcraft College Livonia, MI
November/december 2012
Southern Methodist University Dallas, TX
Missouri Western State University St.Joseph, MO
Bellevue University Bellevue, NE
Washtenaw Community College Ann Arbor, MI
Southwestern Oregon Community College | Coos Bay, OR
NEVADA
Michigan State University East Lansing, MI
Southwestern Michigan College Dowagiac, MI
Gloucester County College Sewell, NJ
San Juan College Farmington, NM
MONTANA
MASSACHUSETTS
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Minnesota State University, Mankato Mankato, MN
Three Rivers Community College Poplar Bluff, MO
Chesapeake College Wye Mills, MD
Baker College Online Flint, MI
IFPS – International Fluid Power Society
TEXAS
Austin Community College Austin, TX
University of Wisconsin-Milwaukee Milwaukee, WI University of Wyoming Laramie, WY
Eastfield College Mesquite, TX Lethbridge College Lethbridge, AB Canada
WYOMING
CANADA
Clackamas Community College Oregon City, OR
El Paso Community College El Paso, TX
Mt. Hood Community College Gresham, OR
Grayson County College Denison, TX
Saskatchewan Institute of Applied Science and Technology Saskatchewan, Canada
Portland Community College Rock Creek Portland, OR
Lamar Institute of Technology Beaumont, TX
Thompson Rivers University Kamloops, BC Canada
Portland State University Portland, OR RCC-SOU Higher Education Center Medford, OR
Midwestern State University Wichita Falls, TX Sam Houston State University Huntsville, TX
www.fluidpowerjournal.com | www.ifps.org
Circle 496
association news
NFPA – National Fluid Power Association
NFPA Members in Action: Poclain Hydraulics Involved With SAE Baja Competition Contributed by Jackie Olson, Poclain Hydraulics
P
oclain Hydraulics recently sponsored the design team at Milwaukee School of Engineering (MSOE) with its SAE Baja competition. The student design team wanted to leverage the benefits of fluid power drive systems in their off-road vehicle, where both high torque and high speed are required. Poclain Hydraulics was happy to support this venture. Poclain Hydraulics donated a hydraulic pump and motor for the team’s use in its hydrostatic transmission. MSOE was the only Baja team out of over 100 to use a fluid powerdriven vehicle in the competition and gained a lot of attention at the event as a result. The team proudly displayed the phrase “Got Hydraulics” on its machine. Poclain Hydraulics was proud to support MSOE’s Baja vehicle, and their adventure can be seen on this YouTube video: http:// www.youtube.com/watch?v=Vyj4pWOI7CI&feature=youtu.be. The team went through rigorous testing, skillful presentations, and tough competition as part of the SAE Baja competition. Employees at Poclain Hydraulics thoroughly enjoyed the interaction with the MSOE design team and even added two of the MSOE team members to the Poclain Hydraulics team after the competition. Next year, Poclain Hydraulics will offer hydraulic transmission packages to SAE Baja competition teams to expose them to the many benefits of fluid power. If your company is involved in a similar outreach activity with schools or with your community, contact Denise Rockhill at drockhill@nfpa.com.
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November/december 2012
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Learn more about WorldWide Electric products!!!
After The SALE, It’s SERVICE That Counts! Looking For a Reputable Repair Shop? Looking for Specific Parts?
NFPA Foundation Announces Five New Legacy Builders
T
he NFPA Education and Technology Foundation gratefully acknowledges five companies that have reached the “Legacy Builder” giving level: Bimba Manufacturing Co. (Monee, Ill.), Bosch Rexroth Corp. (Charlotte, N.C.), Caterpillar Inc. (Joliet, Ill.), Deltrol Fluid Products (Bellwood, Ill.), and Parker Hannifin Corp. (Cleveland, Ohio). “Caterpillar is pleased to become a Legacy Builder contributor,” said Philip McCluskey, system product manager. “Whether it’s teaching young engineers about fluid power or promoting our technology through research, we support the very important work of the NFPA Education and Technology Foundation.” By reaching the Legacy Builder level—$25,000 in cumulative donations to the Foundation—these companies, following in the footsteps of Sun Hydraulics and Enfield Technologies, can now use the “Legacy Builder” logo on their company letterheads and websites. They will also be recognized in March at the 2013 NFPA Annual Conference with a special plaque commemorating their achievements. NFPA encourages everyone in the fluid power industry to reach Legacy Builder status in the Foundation. Such gifts help build a sustainable funding stream for critical fluid power research, education, and recruitment programs. They can also provide an ideal mechanism for honoring the contributions of company employees. To become a Legacy Builder donor, please go to
https://secured.nfpa.com/donation/FoundationDonation.aspx
to support the foundation. Calendar of Events
Energy-Efficient Hydraulics and Pneumatics Conference November 27-29, 2012 Chicago Marriott O’Hare, Rosemont, IL AG CONNECT Expo 2013 January 29-31, 2013 Kansas City Convention Center Kansas City, MO 2013 NFPA Annual Conference March 5-8, 2013 Montelucia Resort and Spa, Scottsdale, AZ 2014 IFPE March 4-8, 2014 Las Vegas Convention Center Las Vegas, NV
Since 1959, the Equipment Service Association’s (ESA) members have excelled in sales and service for hydraulics, pneumatics, and electrically operated tools, components, and equipment. ESA members span the United States, Canada, and Puerto Rico. Join ESA! If you are looking for a competitive edge, joining ESA is a great way to start. Many ESA membership programs have helped companies save money, obtain innovative ideas, and develop diversified professional relationships. To join this growing association, visit www.2esa.org or call 866-ESA-3155.
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Ultra Clean System (hose, tube, pipe cleaning) Clean Seal System (hose end sealing solution) • Clean Seal Flange Circle 498
www.ifps.org | www.fluidpowerjournal.com
November/december 2012
19
D03 SANDWICH CHECK VALVE MODULE
2013 Board of Trustees The Fluid Power Educational Foundation is pleased to announce its new Board of Trustees. The following trustees will take office January 2013.
Chair - Jimmy Simpson, CFPAI, CFPS, CFPMM, Northwest State Community College Vice Chair - Jean Knowles, CFPE, CFPS, Spencer Fluid Power Treasurer - Dan Helgerson, CFPAI, CFPS, CFPECS, CFPMT, CFPSD, Cascade Steel Rolling Mills, Inc. Immediate Past Chair - Liz Rehfus, CFPE, CFPS, Crafting Solutions, Inc. Trustees-at-Large
Available with one or two check valves per module. Compact, economical design with in-line flow. Orifices available for fixed flow control. Š 2012 Inserta Products, Inc.
Inserta Products, Inc. Circle 500
Circle 499
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www.fluidpowerjournal.com | www.ifps.org
(term expiring, 2013) Rickey Rodeffer, CFPAI, CFPMT, CFPS, CFPMIH , CFPMHM, The Boeing Co. Dean Houdeshell, PE, CFPAI, CFPE, CFPS, CFPIHT, CFPMHT, CFPMHM, Sauer-Danfoss Co. (term expiring, 2014) Jon Jensen, CFPAI, CFPPS, CFPECS, SMC Corp. of America Randy Smith, CFPHS, Northrop Grumman Corp. Patrick J. Maluso, CFPAI, CFPS, CFPMHM, Western Hydrostatics, Inc.
Basic Vacuum
Components
By Daniel Pascoe, Vacuforce, Inc.
Over the last 30-something articles I’ve written for the Fluid Power Journal, I have discussed various product overviews and specific applications offering an insight as to what I regard as good vacuum practice. This article reviews the fundamental components used in typical vacuum applications, offering users a basic understanding to prompt consideration of their selections in a vacuum system.
itches, and
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Sensors
turis
Vacuum Ven
Commonly referred to as “ejectors” or “generators” and a good alternative to vacuum pumps (always depending on the application, of course), the vacuum venturi utilizes high-speed compressed air between 50 psi and 90 psi that passes through a small orifice ranging from about Ø0.5 mm to Ø3 mm (Ø0.019" to Ø0.118"). This action generates a depression in atmospheric pressure at the vacuum port of the venturi. A typical point-of-use, single-stage venturi, compared (at scale) with a larger multistage unit, is shown in the right image. The difference between a single-stage and multistage venturi, in practical terms, is that the multi units use less compressed air to generate vacuum flow and, because of this, typically are used in larger vacuum-flow applications. Benefits and comparisons between the multistage and single-stage venturi are discussed in the September/October 2008 issue (“The Vacuum Venturi Explained”). Vacuum venturis are normally sized based on the amount of vacuum cups being used, the length of vacuum line between the cups and venturi, and, of course, the cycle time required, which will determine the flow of the venturi(s) to enable calculations of vacuum generation time and release. Remember that rarely are venturis selected because of the final vacuum they achieve, but rather the flow they generate. Particularly in vacuum-cup lifting, anything over 15"Hg will be suitable and anything over 24"Hg is a waste of energy. For every square inch of vacuum cup sealing area, you are able to grip about 7 lbs at 15"Hg. That’s more than enough.
If you do not have a vacuum gauge installed in your vacuum system and you have problems with your vacuum system, you are now blind. It’s like driving a car without an instrument cluster: rarely used until you need it. If you were having problems with lifting products, the first question I would ask is, “what is the vacuum level in the system?” If you don’t know, I would therefore be limited in options as to how to proceed, as I would be guessing from the get-go. So, install a vacuum gauge. They cost about $3 and are very easy to find at an industrial outlet. Vacuum sensors and switches, unlike gauges, are used by the machinery itself to “tell” the PLC on the machinery to proceed with the cycle or stop the cycle once a preset vacuum-level condition has been achieved. The image on the right shows various vacuum-switch models. They all achieve the same objective of vacuum-level condition, but they send different types of signals depending on the IO device being used. Two fundamental types are shown: mechanical/diaphragm and solid state/digital. These two types are shown in the image. The pair on the left is digital, offering exactly the same function but simply a different shape. The two on the right are very simple diaphragm switches that are easy to set and do not require anything elaborate to receive their signal. All of these switches offer the same fundamental value to the user; it’s simply their intended application and user preference as to which one is used. The aforementioned components are all found in a good vacuum system. Individual component selection is based upon the application itself; however, to understand what should be selected, the venturis and filter should match based on the flow required. The flow rate is based upon the amount of vacuum cups being used and the cycle time required; the valves should be placed as close to the cups as possible; a gauge should be installed near to the vacuum cup(s); and switches should be placed near the gauge. If you start with these basic principles, you won’t go far wrong.
ers
Vacuum Filt
Daniel Pascoe is General Manager of Vacuforce Inc., manufacturer and distributor of vacuum components and systems for industry in North America. Daniel can be reached via the Vacuforce website at www. vacuforce.com or directly at dpascoe@vacuforce.com. Find Vacuforce on Facebook and keep up-to-date on Twitter.
Vacuum filters are used to trap and prevent dust and particulates from the application from entering other equipment, such as vacuum venturis, pumps, and control valves. Various types are available with a porosity of between 7µ and 25µ (“µ” is the symbol for micron or 0.001 mm) where a 7µ filter will trap particulates larger than 0.007 mm. There are various filters available, and a scaled size comparison is shown in the right image. Depending on the application, the various types shown in the image would be selected. The two point-of-use filters are used where smaller single-stage venturis are in place and the filters will be placed directly between the venturi inlet and vacuum cup(s). The inline filter shown is made entirely of plastic with a transparent filter bowl. These are used on larger vacuum-flow applications up to about 180 scfm. The large filter shown on the right is typical of bigger vacuum-pump installations and is available in port sizes for 3/8" pipe thread to beyond 8" (200-mm) diameter pipe. Most filters are selected based on the flow capacity that matches the pump or the individual vacuum line; however, if a single venturi or pump of 20-scfm flow capacity is being used on five vacuum cups and each vacuum cup line has an inline filter, then each filter should have a flow rate of 4 scfm. Filters should be sized on flow rate (NOT port size) to ensure that the flow within the system is not restricted. lves
Vacuum Va
Vacuum valves are not as common as they should be in general vacuum applications. They are good conservers of energy by allowing the vacuum system to be fully charged before the vacuum pick-up stage of the cycle. During this “holding” stage, vacuum venturis could be turned off, allowing energy conservation. Vacuum valves can be placed very close to the vacuum cups, offering virtually immediate “grab” of the products. This is of particular benefit in very high-speed applications. Most vacuum valves are electrical solenoid-controlled (as shown in the top left image), although some are available with a pneumatic pilot instead. This type is useful for 100% pneumatic circuits where electrical power is not available or even permitted, such as an oil or gas installation.
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ps
Vacuum Cu
There are many different types of vacuum cups, with some of the most common shown in the right image. The most popular type is a single bellows cup (#1), which allows height variances in the load being handled or variances in machine approach distance. This enables the user to set the machinery to an approximate pick-up point unlike when using flat cups, which require a much more accurate placement against the product being handled. Multiple bellows vacuum cups (#2) have the same benefit as single bellows, but the cup is able to lift the product being handled independent of the machine movement. This is very useful for thin-sheet separation, and because of the lesser web width of the cup (difference between external and internal diameter), this type of cup is suitable for plastic-wrapped products, such as food packaging, as the lip of the cup can deform vertically without breaking the seal. Flat cups (#3) offer less flexibility in the approach stage, but offer much higher mechanical stability when handling products at high speed or when moving product from a horizontal to vertical position (through shear). Vacuum cups are available in a variety of materials including Nitrile rubber (NBR), which is suitable for general handling including cardboard, steel sheet, and plastic. Silicone is used for high-temperature and low-temperature applications and also the handling of food and food-packaging materials. Polyurethane is very hard wearing and used in continuous and rapid cycle-rate applications. Some vacuum cups made from polyurethane offer a dual duromater (#4) construction, which offers a rigid body but with a soft-sealing lip. p Holders
Vacuum Cu
Most vacuum cups are available with threaded fittings for connection to machinery, but in multiple vacuumcup applications, level compensators as shown in the right image are used to offer the ability to pick up from varying heights or from surfaces that are not square to the machinery. These level compensators should only be used for vertical-lift applications and shouldn’t be turned through 90º because the bushing, unless designed for this purpose, will wear. Level compensators also offer simple installation through the bulkhead of machinery and end-of-arm tooling. This article is intended as a general guide and as with any industrial application involving machinery choice, independent professional advice should be sought to ensure correct selection and installation.
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Circle 502
Circle 503
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November/december 2012
23
Analysis of a Hydraulic Oil
By Brendan Casey, HydraulicSupermarket.com
I recently conducted failure analysis and a reliability audit on a 300-kilowatt (400-hp) hydrostatic transmission. This hydraulic system was running a synthetic-ester, biodegradable hydraulic fluid, and the original set of pumps failed inside a year.
The system was built and installed by a reputable firm. From a hydraulic-engineering perspective, the circuit was adequately designed and the system well built. But from a maintenance and reliability perspective, there was plenty of room for improvement. When I arrived on site, one of the first things I noticed was the hydraulic oil appeared dark in the sight glass, whereas the unused oil was the color of light honey. A subsequent check of the oilanalysis reports indicated viscosity was increasing. Suspecting oxidative failure of the oil, I requested acid number and water content by Karl Fischer. These weren’t included in the original test slate. In the meantime, I turned my attention to analysis of the failed pumps. It was obvious the oil had been polymerizing for some time before the pumps failed. Internal components were heavily coated with a gum-like sludge (Fig. 1). These deposits can block lubrication passages, reduce heat transfer, and cause valve stiction. The valve plate and cylinder barrel of both pumps exhibited damage from cavitation erosion—another possible side effect of oxidative failure. The oxidation process typically diminishes foaming resistance and air-release properties of the oil, which in turn causes damage through increased air entrainment and gaseous cavitation. Acid number came back at 9.5 mg KOH/g and the Karl Fischer at 2,200 ppm. For this particular oil, an acid number of between 4 and 5 mg KOH/g is the trigger for an oil change. And although water contamination was much higher than desirable for this application, hydrolysis was ruled out as a significant factor in the formation of the sludge deposits based on the oil manufacturer’s experience. All the evidence pointed to the fact that this $12/liter hydraulic fluid had suffered oxidative failure well inside 12 months. So with $20,000 worth of hydraulic fluid and $50,000 worth of pumps ruined in short order, my client was understandably wondering what had gone wrong.
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November/december 2012
Suspecting high-temperature operation as the cause of the accelerated oxidation, I turned my attention to the historical operating parameters of the hydraulic system. As built, the system had a temperature sender installed in the hydraulic reservoir with alarm levels and shutdowns programmed into the system’s PLC. Tests showed this instrumentation to be functioning correctly. But the operators advised the system never had a temperature alarm or shutdown on over temperature. This didn’t come as a total surprise to me, because the temperature sender was in the wrong location. Let me explain. As many readers would be aware, a hydrostatic transmission consists of a variable-displacement pump and a fixed-displacement or variable-displacement motor operating together in a closed circuit. In a closed circuit, fluid from the motor outlet flows directly to the pump inlet without returning to the reservoir. Because the pump and motor leak internally, which allows fluid to escape from the loop and drain back to the reservoir, a fixed-displacement pump called a “charge pump” is used to ensure that the loop remains full of fluid during normal operation. In practice, the charge pump not only keeps the loop full of fluid; it pressurizes the loop to between 110 psi and 360 psi, depending on the transmission manufacturer. A simple charge pressure circuit comprises the charge pump, a relief valve, and two check valves through which the charge pump can replenish the transmission loop. Once the loop is charged to the pressure setting of the relief valve, the flow from the charge pump passes over the relief valve and back to the reservoir. Apart from losses through internal leakage, which are made up by the charge pump, the same fluid circulates continuously between transmission pump and motor. This means if the transmission is heavily loaded, the fluid circulating in this loop can overheat. To ensure the fluid in the transmission loop is positively exchanged with that in the reservoir and subsequently cooled, a flushing or hot-oil purge valve is installed in the circuit.
www.fluidpowerjournal.com | www.ifps.org
About the Author Brendan Casey is the founder of HydraulicSupermarket.com and the author of Insider Secrets to Hydraulics, Preventing Hydraulic Failures, Hydraulics Made Easy, Advanced Hydraulic Control and The Definitive Guide to Hydraulic Troubleshooting. A fluid power specialist with an MBA, he has more than 20 years experience in the design, maintenance and repair of mobile and industrial hydraulic equipment. Visit his website: www.HydraulicSupermarket.com
When the hydrostatic transmission is in neutral, the flushing valve has no function and the charge relief valve, which is usually located in the transmission pump, maintains charge pressure. When the transmission is operated in either forward or reverse, the flushing valve operates so that the “purge” relief valve incorporated in the flushing valve maintains charge pressure in the low-pressure side of the loop. This purge relief valve is set around 30 psi lower than the charge pump relief valve (Fig. 2). The effect of this is that cool, conditioned fluid drawn from the reservoir by the charge pump charges the low-pressure side of the loop through a check valve located close to the transmission pump inlet. The volume of hot fluid leaving the motor outlet that is not required to maintain charge pressure in the low-pressure side of the loop vents across the flushing valve purge relief and back to the reservoir. The important point here and what’s relevant to this case is if the flushing valve malfunctions or is not configured correctly, there is no positive exchange of the fluid in the loop with that in the reservoir. This means the transmission loop can be operating in overtemperature conditions, while the fluid in the reservoir remains relatively cool. As you can see, in a hydrostatic transmission, the correct location for the temperature sender on which over-temperature alarms and/or shutdowns are based, is in the transmission loop—not the reservoir.
Fig. 2: Hydrostatic transmission with hot-oil purge valve installed. Note that the charge pump relief valve (3) is closed, the purge valve (9) is shifted, and the volume of hot oil exiting the motor (10) that is not required to maintain charge pressure is passing over the purge relief valve (8), while relatively cool oil from the reservoir is passing through check valve (5) to the low-pressure side of the transmission pump.
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A Failure of Maintenance or Design? So was this case a failure of maintenance or a failure of design? It could be argued that it’s both. A failure of design in that had the temperature sender been correctly located in the transmission loop, the failure wouldn’t have occurred. A failure in maintenance in that had the early warning signs of oxidative failure of the oil been picked up through observation and better oil analysis test slate selection, the failure could still have been prevented.
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Fig. 1: Build-up of gum-like sludge on pump drive shaft. Note that this shaft is from the rear pump of a piggybacked set, which is why the sludge deposits are forward of the shaft seal area.
Newark, NJ 07105 / Toledo, OH 43605 / 1-800-733-4755 www.lubriplate.com / LubeXpert@lubriplate.com Circle 504
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November/december 2012
25
For Hydraulic Systems
By G. K. Fling, P.E., CFPS, Southwestern Controls
Tubing must meet two requirements: 1. The inside diameter must be large enough to provide the flow area needed to assure that fluid velocity does not exceed the limits set by the SAE. 2. The wall thickness must be large enough to meet the strength required by the applied pressure and the ultimate tensile strength of the tubing. The first requirement is satisfied when the inside diameter is at least ID, inches = 0.639 (Vmax / Q)1/2 where • Vmax for pressure lines = 15 ft/second • Vmax for return lines = 10 ft/second • Vmax for suction lines = 4 ft/second • Q, gpm is the fluid flow rate Values of inside diameter as a function of flow rate are shown in Table 1. The calculated inside diameter for a given flow rate may not satisfy condition #2 for strength. Three formulas are used to determine the wall thickness for strength: 1. Barlow formula, P = 2 ST/D 2. Boardman formula, P = 2 ST / (D - 0.8 T) 3. Lamē formula, P = S (D2 - d2) / (D2 + d2) where P = maximum working pressure, psi D = tube outside diameter, inches d = tube inside diameter, inches T = tube wall thickness, inches S = allowable stress, psi = Sult / F.S.
Formulas 2 and 3 are dependent upon the inside diameter, while formula 1 is not. It can be seen that the Boardman formula is less conservative than the Barlow formula. The Lamē formula is intended to be used for thick wall tubing, defined as tubing having a wall thickness that is 10% or more than the inside diameter. While the Lamē formula might be appropriate for high-pressure systems, the Barlow formula is often used in sizing tubing. Table 2 is based upon the Barlow formula. Assuming Sult = 45,000 psi for SAE J524 and J525 tubing and a factor of safety of 4, the allowable stress is 11,250 psi. Table 2 gives the maximum pressure allowed for different common wall sizes. Tubing conforming to SAE J524 or SAE J525 must satisfy both Tables 1 and 2. The allowable pressure values in Table 2 will increase if higher-strength tubing is used. A third consideration in selecting the best tube wall is how readily it can be bent. Thin wall tube is known to sometimes buckle on the inside diameter. This may limit the minimum wall thickness, even though it is theoretically adequate in strength. The tubing should be well supported by the bending tool and should not be bent to less than standard bend radius. Both SAE J524 and SAE J525 tubes are annealed to facilitate bending and flaring. There is usually an oval section created in the bend. Some allow a maximum oval of 5%, while others insist that the oval section not exceed 3% of the tube outside diameter. Strength of tubing will be reduced by both an oval section and thinning of the wall on the outside of bends. A final caution reminds us that SAE J524 and SAE J525 tubes are made of carbon steel. They will corrode in corrosive environments if not protected by paint. Corrosion will also reduce tube strength.
Table 1 Q Flow Rate, GPM
Table 2
Minimum ID, Inches, of Tube or Pipe
OD, Fraction
OD, Decimal
0.028
0.035
0.049
0.065
1/4
0.250
2520
3150
4410
5850
5/16
0.312
2019
2524
3534
4688
3/8
0.375
1680
2100
2940
3900
1/2
0.500
1575
2205
2925
3735
5/8
0.625
1260
1764
2340
2988
3420
3/4
0.750
1050
1470
1950
2490
2850
3270
7/8
0.875
900
1260
1671
2134
2443
2803
788
1103
1463
1868
2138
Nominal Tube Wall Thickness, Inches
Pressure
Return
Suction
1
0.165
0.202
0.320
2
0.233
0.286
0.452
3
0.286
0.350
0.553
4
0.330
0.404
0.639
5
0.369
0.452
0.714
6
0.404
0.495
0.783
7
0.437
0.535
0.845
8
0.467
0.572
0.904
9
0.495
0.606
0.959
1
1.000
2453
2700
10
0.522
0.639
1.010
1 1/8
1.125
980
1300
1660
1900
2180
2400
11
0.547
0.670
1.060
1 1/4
1.250
882
1170
1494
1710
1962
2160
1 1/2
1.500
975
1245
1425
1635
1800
12
0.572
0.700
1.107
13
0.595
0.729
1.152
14
0.617
0.756
1.195
15
0.639
0.783
1.237
Table 3
Tube Size
-4
0.75
3:1
-6
1.125
3:1
-8
1.50
3:1
1.532
-10
1.875
3:1
1.565
-12
2.25
3:1
1.598
-16
3.00
3:1
0.660
0.808
1.278
17
0.680
0.833
1.317
18
0.700
0.857
1.356
19
0.719
0.881
1.393
20
0.738
0.904
1.429
21
0.756
0.926
1.464
22
0.774
0.948
1.499
23
0.791
0.969
24
0.808
0.990
25
0.825
1.010
0.095
0.109
0.120
Table 1: Minimum tube inside diameter for acceptable fluid
MS-33611 Bend Radius, Inches
16
0.083
Ratio of Radius/Tube O.D.
flow velocity (Ref: SAE standard for maximum velocity: 15 ft/second for pressure lines, 10 ft/second for return lines, 4 ft/ second for suction lines) Table 2: Pressure vs. tube wall thickness based upon Barlow Formula (SAE J524 and SAE J525 tube): Sult = 45,000 psi; factor of safety = 4; Sallowable = 11,250 psi Table 3: Minimum bend radius per MS-33611
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This product is Patented, other Patents pending.
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November/december09/10/2012 2012 27 10:45
Fluid Power Best Practices and Beyond Fluid Power Essential Practices
is a handbook on how to perform the necessary steps to ensure optimum performance, reliability, efficiency, and safety in fluid power systems. Raymond Hanley, CFPE/AI-Emeritus, the author, has 60 years of experience in engineering design, application, and installation of fluid power systems. He has compiled this resource for the system designers, reliability engineers, installation inspectors, installers, mechanics, and maintenance personnel. Hanley solicited information and review from fluid power professionals, professors, and manufacturers in compiling this handbook. There is a wealth of information on each topic and most important, “what is critical” in selection, application, design, and maintenance of fluid power components and systems. Illustrations and charts are provided to aid the reader. This handbook is written to be a guide that is easily understood by persons with limited fluid power experience. Listed below are the chapters and a “brief sample” of subchapters:
1
Contamination Control: Manufacturer cleanliness level for components, environmental factors, selecting recommended filter rating, ISO code chart, sample analysis chart, sampling valve and bottle, fluid sample, where to take a sample and how, and selecting and determining location of filters.
2
Piping: Fittings and tubing selection, fitting assembly instruction to ensure a leak-proof seal, flange code 61 & 62, laminar flow, SAE burst equation and tubing tensile strength, tubing support guide, and best practices for hose installation.
3
Hydraulic Power Units: Styles of reservoirs, on top, L-shaped, overhead and submerged, heat exchangers, reservoir heat dissipation, breathers, emersion heaters, calculation of horsepower and system heat generation, and integrated hydraulic circuits.
4
System Flushing: Why flush? A guide to proper flushing procedures, steel tubing flush, after-commissioning flush, typical auxiliary flushing pump circuit, and loop (series circuit) flushing circuit.
5
Hydraulic Fluids: A primer on the importance of selecting the proper viscosity and considerations, familiarization with biodegradable, polyglycol synthetic ester, water glycol, polyglycol fluids, etc.
6
Pneumatics: Selecting a compressor, selecting air cleanliness level per ISO 8573-1, selection and application of air coolers, desiccant, membrane and refrigerated dryers, air line distribution, piping selection, and safety considerations.
7
Cylinders and Accumulators: Cylinder selection considerations, load dynamics, mounting-style considerations, selecting rod diameter and stop tube, common uses and types of accumulators, sizing for application, and safety concerns.
8
Hydraulic and Pneumatic Equipment Seals: typical seal locations, sealing groove considerations, cylinder bore and groove tolerances, seal failures, and gaskets- potential pump and motor leakage. This soft back-bound handbook is 110 pages and copyrighted by the International Fluid Power Society. Cost: Members $35.00 + Shipping, Non-members $43.00 + Shipping. How to order: visit www.ifps.org or call 800-308-6005.
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product review
Safety Controllers Sauer Danfoss
OEM manufacturers of mobile off-highway vehicles. Designated The Plus+1™ compliant safety controllers offer safety capabilities to
Signet Transmitters Georg Fischer Piping Systems
vides a single-channel interface for multiple The Signet 9900 SmartPro™ transmitter pro-
parameters including flow, pH, ORP, conductivity/ resistivity, pressure, temperature, level, sanity, and more. A 3.90" x 3.90" backlit display shows separate lines for units, main and secondary measurements, as well as a dual-type digital bar graph. Other capabilities include relay and warning LEDs and an intuitive menu for easy programming. The transmitter is offered in both panel and field-mount versions, and both configurations can run on 12 VDC to 32 VDC power. It also can be looppowered with compatible sensors.
SC024-010, SC024-020, and SC050-020, these devices simplify and streamline the application process, facilitating easier compliance with stringent functional safety standards. The three safety controller variants help vehicle manufacturers meet European Machinery Directive 2006/42/EC and are designed to achieve SIL 2 (Safety Integrity Level 2 according to IEC 61508) and PL-d (Performance Level d per ISO 13849-1) standards, with third-party certification pending.
www.sauer-danfoss.com
STAY GROUNDED.
www.gfpiping.com
Pressure Gauge Ashcroft Inc.
now available with patented PLUS!™ protection
The Type 1279 Duragauge® pressure gauge is
for installations subject to high vibration and pulsation. Durable and consistent, the unit quiets pointer flutter without the need for traditional liquid fill. www.ashcroftinc.com
Triaxial Accelerometers
Schroeder’s AntiStat Pleat (ASP) Elements significantly reduce or eliminate electrostatic discharge problems that can occur during filtration of hydraulic and lubrication fluids. By combining Excellement® media and ASP technology, Schroeder’s ASP Elements inhibit element damage and oil deterioration, decrease sludge and oil sediment and extend system component life.
Meggitt Sensing Systems
(IEPE-type) accelerometer series supports the
The Endevco® model 65 triaxial ISOTRON®
rigorous demands of aerospace reliability testing. Featuring high sensitivities of 10 mV/g and 100 mV/g, with ±500 g and ±5 g measurement ranges, respectively, and with excellent amplitude and phase frequency response, the unit incorporates the company’s piezoelectric sensing elements for high performance and stability, housed within a 10-mm welding titanium cube with interface via a robust 4-pin Microtech connector. An optional high-temperature version is available.
For more information, please contact elementsmanager@schroederindustries.com To learn more, scan the code with your app-enabled smartphone.
580 West Park Road | Leetsdale, PA 15056 | p. 1.800.722.4810 | f. 724.318.1200 | www.schroederindustries.com
www.meggittsensingsystems.com Circle 102
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November/december 2012
29
November 27-29 c
Energy-Ef fi
ient Hydr aulics an Pneumati d cs Confe rence Chicago M arrio
calendar of events NOVEMBER 12-13 2-day Pneumatic Troubleshooting and Schematics Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
12-16 5-day Troubleshooting Electrical Systems Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
12-16 Mobile Hydraulics Eden Prairie, MN Eaton Corp. Tel: 800-413-8809 www.eaton.com
tt O’Hare A irport Hotel Rosemont, IL Hosted by IFPS, FPDA , and NFPA For more in formation, visit www.nfpa. com/Event s/EEHPC.h tm
12-16 Principles of Hydraulics BAVTS (PA) Bosch Rexroth Corp. Tel: 610-694-8407 www.boschrexroth-us.com
12-16 EH Maintenance and Troubleshooting Maumee, OH Eaton Corp. Tel: 800-413-8809 www.eaton.com
13-15
16 1-day Maintenance and Hydraulic Safety Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
19-21
OMC Rochester Hills, MI Parker Hannifin Corp. Tel: 216-896-2495 www.parker.com/training
3-day Hydrostatic Closed Loop for Engineers Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
14-15
19-21
2-day Introduction to Lubrication Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
3-day Predictive and Preventative Maintenance Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
19-23 Maintenance, Repair and Setup of Mobile Hydraulic Systems Canada (ON) Bosch Rexroth Canada Tel: 905-335-5511 www.boschrexroth.ca
26-30 3-day or 5-day Level 1 Industrial Hydraulics — In-depth Fundamentals Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
26-30 3-day or 5-day Level 2 Mobile Electric Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
DECEMBER 3-7 Principles of Hydraulics BAVTS (PA) Bosch Rexroth Corp. Tel: 610-694-8407 www.boschrexroth-us.com
3-7 3-day or 5-day Level 1 Pneumatics – In-depth Fundamentals Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
Sensing your needs - PVS SENSORS & DYNAMIC has it all
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calendar of events 3-7
10
11-13
20
3-day or 5-day Electrical Controls Including Safety and Test Equipment Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
Job Performance Testing (9:00 a.m.) Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
Electromechanical Fundamentals Rohnert Park, CA Parker Hannifin Corp. Tel: 216-896-2495 www.parker.com/training
1-day Intro to Mobile Electric with Multimeters Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
4-7
10-12
13-14
26-27
3-day Electric Motor Drives Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
2-day Principles of Machining Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
2-day Principles of Machining Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
17-19
26-28
3-day Hydraulic Fittings, Tube, Pipe, Hose and Leak Prevention Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
3-day Troubleshooting Using Industrial Hydraulic Schematics Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
Mobile Hydraulic Technology Rochester Hills, MI Parker Hannifin Corp. Tel: 216-896-2495 www.parker.com/training
5 “Accumulator in Hydraulic Systems” 1-hour web seminar: 12:00 noon to 1:00 p.m. EST Presented by Jim Lane, CFPAI, Motion Industries, Inc. Contact IFPS at 800-308-6005 www.ifps.org
10-14 Service and Operation for Improved Hydraulic Systems Reliability Milwaukee, WI • MSOE Tel: 414-277-7217 www.msoe.edu
10-14 5-day Power Distribution Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
JANUARY 2013 2-3 2-day Hydraulic Pump Analysis Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
2-4 3-day Troubleshooting Mobile Equipment using Hydraulic Schematics Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com
16-17 Connector and Conductor (CC) Certification Review and Test Offered through Pirtek USA Rockledge, FL Contact IFPS at 800-308-6005 www.ifps.org
"B
"F
LA K NG NO EY E ..S W SHA PL IN FT IN ST ... E O OC R K
B Flange Pumps Now In Stock
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industry news Steve Forbes to Keynote Automate 2013 Steve Forbes, chairman of Forbes Media and a former presidential candidate, will address the impact of the president and his administration on the future of the U.S. economy and business growth during a keynote presentation at the Automate 2013 show and conference in Chicago, Ill. Automate 2013 is sponsored by the Association for Advancing Automation (A3) and its affiliates, Robotic Industries Association (RIA), AIAAdvancing Vision and Imaging, and Motion Control Association (MCA). It features exhibits of robots, vision systems, motion control products, and related automation equipment from more than 150 global suppliers. www.automate2013.com
LMI Aerospace Acquires TASS LMI Aerospace, Inc., a provider of design engineering services and supplier of structural assemblies, kits, and components to the aerospace, defense, and technology markets, acquired TASS Inc., an aftermarket engineering and support services firm. Headquartered in Kirkland, Wash., TASS delivers engineering solutions to aircraft manufacturers; airlines; maintenance, repair, and overhaul (MRO) service companies; and leasing companies worldwide. TASS has 60 employees with offices in Kirkland, Wash., the UK, Australia, and Sri Lanka. www.lmiaerospace.com
Oil Filtration Systems Expands Services Oil Filtration Systems is now providing oil reclamation, purification, and hot oil flushing field services. The company, a manufacturer of industrial oil and fuel filtration equipment, can provide factory-trained crews to employ its systems on a contract basis. Field services for oil reclamation, purification, and hot oil flushing can be provided on an emergency “same day/next day” basis. The company maintains crews and vehicles to travel throughout the southern United States. Systems to remove water, particulate, varnish, and other contaminants from industrial fluids are available, as well as fluid analysis. www.oilfiltrationsystems.com
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National TOLL FREE: (800) 441-1994 Circle 106
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industry news
what's going on in the world of hydraulics & pneumatics Clippard Receives FIRST Award Clippard Instrument Laboratory, Inc. received an award of appreciation from the FIRST organization. For the past 12 years, Clippard has been a contributor to the kit of parts that is used by all schools participating in the FIRST Robotic Challenge (FRC). Clippard is a Golden Sponsor, recognized for donating $100,000 in products and other benefits. The organization uses this program to help inspire the next generation of engineers. www.clippard.com
Terresolve Technologies Gains Approval Rolls-Royce Deck Machinery (Brattvaag Group) has approved the use of EnviroLogic 3000 line of readily biodegradable hydraulic fluids by Terresolve Technologies in its products. The fluids are non-toxic and a direct replacement for petroleum analogues. The fluids are safe to use in environmentally sensitive applications, and there are no long-term negative environmental effects in the event of a leak or spill. www.terresolve.com
Receiving the award from Dean Kamen (left), founder of the FIRST organization, is William Clippard, III, (right) president of Clippard Instrument Laboratory, Inc.
We offer: CHoiCE
Hydraulic Management Group and Crane-Bel International Form Partnership Hydraulic Management Group, Troy, Mich., has joined hands with Crane-Bel International in India to service and support hydraulic products. Engineers Ashok K. Gupta (Crane-Bel) and P.K. Guha (Hydraulic Management Group) have 90 years of combined hydraulic oil experience. The goal of the joint venture is to produce and supply efficient, energy-saving hydraulic products, as well as machinery and machine tools. www.crane-bel.com www.hydraulicmanagement.com
Hydradyne Purchases Allen Orton In May 2012, Hydradyne LLC purchased Allen Orton LLC. Allen Orton provides components and system design services with locations in Columbus, Norcross, Savannah, and Conyers, Ga.; and Spartanburg, S.C. Hydradyne, with 30 branches in the southeastern United States, specializes in sales, service, and repair of hydraulic, pneumatic, and electromechanical systems and components. The company also supports a full line of mobile and industrial hose and connectors. The Allen Orton name has been changed to Hydradyne Allen Orton. www.hydradynellc.com
Alliance Sensors Group Expands LVDT Manufacturing Capability H.G. Schaevitz LLC Alliance Sensors Group expanded its sensor product offering through the recent acquisition of three product lines from Everight Sensors Corp., including the PG series of power generation LVDT linear position sensors, S1A LVDT/RVDT signal conditioner, and LVIT linear position technology. Alliance Sensors Group adds these new sensor technologies to its current product offering of Marposs digital dimensional gauging probes and rotary position sensors. www.alliancesensors.com
We provide: solutions When you choose to come to Rotor Clip with your retaining ring, wave spring and hose clamp needs, you know that we are your only solution for every requirement that matters.
Certified Quality Full Range of Product Design Assistance Expert staff
For more information please visit www.RotorClip.com or call 1-800-557-6867
RoHs/ElV/DFARs Compliance Made in usA Pricing
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product spotlight
136
Repair & Reconditioning of Fluid Power Components, Conventional Valves
“AA” FLANGE, 1DG SERIES DOUBLE PUMPS “A” FLANGE, 2DG SERIES DOUBLE PUMPS “B” FLANGE 3DG SERIES DOUBLE PUMPS
Special Ad Section
2DG and 1DG double pumps available from Houston stock. 3DG series based on factory lead time. Honor Gear Pumps Corp. of Taiwan, with U.S. warehouse in Houston, is pleased to announce local availability of double pumps in “AA” flange and “A” flange. The “B” flange doubles are available subject to factory lead times. OEM inquiries through distribution are welcome. In addition to doubles, all single pumps are kept in stock in Houston, in the 4F17, “AA”, “A”, and “B” flange models. Aluminum body with cast iron flanges and rear covers are standard. Standard stock displacements in the 3GB series pump are 2.31, 2.68, 3.17, and 3.66 cu.in./rev. All other displacements are available subject to factory lead times.
NEW Reservoir breather – TBN 310
BN 310
Zinga Industries, Inc. is pleased to announce a new reservoir breather. The TBN 310 has been engineered to be a strong competitor in the spin-on reservoir breather market. Features of the TBN 310: • 10 micron cellulose element a Industries, Inc. is pleased to 137 ce a new reservoir breather. • 3/4” NPTF nylon mounting N 310 has been engineered to ong competitor in the spin-on • 40 SCFM normal air flow capacity r breather market. • Direct interchange for other manufacturer’s 310 models s of the TBN 310: micron cellulose element • Private labeling available NPTF nylon mounting • Easy installation CFM normal air flow capacity • Competitively priced ct interchange for other ufacturer’s 310 models • Made in the USA ate labeling available installation
Zinga Industries, Inc.
petitively priced
www.zinga.com
e in the USA
Honor Gear Pumps Corp. Proudly sold through distribution. Please call to be referred. Honor Pumps U.S.A. 1601 W. 25th St. • Houston, TX 77008 Toll free: 800-984-9727 • Local: 713-984-8144 Fax: 713-461-9631 • Email: service@honorpumps.com Web: www.honorpumps.com
Introducing Telescopic Cylinders!
Fast Simplified Cylinder Ordering
Peninsular’s model HP, MH and LM cylinder Configurators accessible through Peninsular’s website at www. Peninsularcylinders.com make cylinder ordering easier because customers answer questions from drop down menus eliminating the need for confusing cylinder catalogs and complex engineering data. “Helpful hints” answer all user questions that may arise. A solid model and corresponding part number appear once configured. Instant solid model and 2D flatline drawings with dimensions may be instantly downloaded and instant quote requests included.
Peninsular Cylinder Co. Inc. Toll Free: 800-526-7968 Phone: 586-775-7211 Fax: (586) 775-4545
138
With precision engineering and specialized machining in each stage of the cylinder, Muncie’s cylinders exceed our competitor's in strength, performance and durability throughout the life of the system. Formed from a solid piece of steel, each stage of the cylinder is machined, then polished to exacting standards to ensure maximum seal performance and reliability. Other standard premium benefits include: • Self-bleeding design • Increased stage overlap for amplified stability and support • Final stages are larger than competitive products, reducing pressure requirements • Chrome plated final stage 139 • Double lip polyurethane wiper • Two year warranty to ensure peace of mind. The Pin Mount Design (“A” Series) or the Trunnion Mount Design (“B” Series) are offered and will fit the majority of existing applications. Call Muncie Power Products at 800-367-7867 and/or visit our website at www.munciepower.com for more information.
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Special Ad Section
High Torque, Low Speed Hydraulic Motors
Dixon Connect-Under-Pressure Hydraulic Couplings
Fluid Power high torque, low speed hydraulic motors are a cost effective, FluiDyne form, fit and function interchange for the common brands of motors. Hundreds
Features: • Fully interchangeable with Stucchi VEP-P/VEP-HD Series, DNP PST4 Series, Voswinkel FT-Series, and Parker FET-Series • Available with NPTF, BSPP, ORB, and optional Code 62 connections • Improved connect and disconnect performance up to 5,500 PSI • Patented valve mechanism optimizes flow and pressure performance • Improved corrosion resistance using ROHS compliant Trivalent chrome plating • Temperature range: -22°F to +212°F (-30°C to +100°C) Applications: • High impulse hydraulic applications • Oil field 140 • Construction equipment • Excavators • Crane systems • Anywhere there is a need for a tough, reliable hydraulic connection!
of displacements and model variations of the popular “H”, “S”, and “2000” series are in stock. Customer Service is available to provide technical information and assist in model code selection or interchange.
FluiDyne Fluid Power For additional information contact us at sales@fluidynefp.com or visit www.fluidynefp.com
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Precision Orifices • • • • •
Dixon Quick Coupling
Miniature brass or stainless steel orifices Select from 20,000 unique constructions Wide variety of connections Orifice size range 0.0003" to .125" Integral screens
O'Keefe Controls Co.
332 Atando Avenue Charlotte, NC 28206 dixonquickcoupling.com 877.963.4966
PO Box Q Trumbull, CT 06611 (800) 533-3285 www.okcctb.com
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Eaton’s fixed displacement swing drive
TORQTITE Adjustable Torque Wrenches
Flaretite’s new adjustable open-end torque wrenches allow all tube and hose ends to be precisely tightened to their correct torque requirements. These new wrenches can be used on all fittings requiring a torque specification. Developed to compliment Flaretite’s patented flared seals for 30, 37 and 45 degree flare fittings, these wrenches are used by quality conscious mechanics in all industries. Torque Wrench Benefits: • Five Sizes with ranges from 7 to 500 ft-lbs (10700 Nm). • Fixed wrench ends with hex sizes (jaw opening) from 7/16” thru 3”. Box ends available as specials. • Ratchet end and adjustable ends also available. • Low profile, reversible, spanner design • Precision quality design with +/- 5% accuracy • Shipped with torque rating tables for all common fittings For more information contact:
Features include: • Displacement 23cc to 250cc available, pressures to 320 bar • Integrated fail-safe mechanical parking brake, brake release valve, shockless relief and anti-reverse valve • Compact integrated planetary reduction gearbox • Smooth andfixed precise positioning eliminates Eaton’s displacement swing drive mechanical Features include: shocks Displacement 23cc to 250cc available, pressures to 320 bar • High performance andbrake, reliability proven by fail-safe mechanical parking brake release valve, Integrated shockless relief and anti-reverse valve high market Compact integratedacceptance planetary reduction gearbox Smooth and precise positioning eliminates mechanical shocks High performance and reliability and proven byvolumetric high market accep- efficiency • Higher mechanical tance Higher mechanical and volumetricloss efficiency helps reduce helps reduce power power loss
Eaton
Feature Features inclu Displaceme Disp fa Integrated Integ
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November/december 2012
Higher tanc mec power loss Hig
C
Contact HydraulicSupply Supply Company Company for Contact Hydraulic for the complete details. 800-432-6413 the complete details. 800-432-6413 • www.hydraulic-supply.com
Fenton, MI, USA Tel: 810-750-4140 • www.flaretite.com
shockless rel shoc Compact int Com Smooth and perform Smo High High tance
pow
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Flaretite, Inc.
//// Product spotlight
35
Product spotlight ////
Special Ad Section
D03 SANDWICH CHECK VALVE MODULES 145
Inserta® Products offers Sandwich Check Valve Modules for use in D03 valve stacks. Each module may be ordered with either one or two Inserta® slip-in check valves. Orifices for fixed flow control may be provided. These compact modules feature in-line flow paths to lessen pressure drop and wasted horsepower.
steel seamless precision metric tubes
Inserta® Products Blue Bell, PA www.inserta.com
Wide Metric offers steel seamless World precision metric tubes. Range includes Seamless cold drawn hydraulic line pipe according DIN 2445/2 or DIN 2391/C, yellow zinc plated and Seamless cold drawn hydraulic line pipe according to EN 10305-4 Chrome VI free plated. Size range from 4mm od to 42mm od. Wall thickness from 1mm to 6mm. Our stainless steel seamless metric tubes are according to ASTM A269, material grade 316L. Size range from 6mm od to 42mm od. Wall thickness from 1mm to 5mm. Contact us for more information.
LockstackTM D03 Isolation System Products Lockstack D03 Isolation Inserta System replaces the labor intensive use of thread ®
TM
stock for D03 valve stack assemblies. The fasteners are available in ¼” increments up to 5½”. The Isolation Retainer engages the heads of the fasteners to prevent loosening of the stack during disassembly of the component(s) above.
World Wide Metric Inc.
Inserta Products ®
Blue Bell, PA www.inserta.com
146
37 Readington Road Branchburg, NJ 08876 Tel. 732-247-2300 Fax 732-247-7258 Email: sales@worldwidemetric.com www.worldwidemetric.com
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BSPP, BSPT, ISO 6149 Hydraulic Flanges & Couplings
MAIN Manufacturing Products, Inc. now stocks SAE, JIS, DIN, and ISO flanges and couplings with metric ports. METRIC TUBE & PIPE sizes in socket weld and butt weld are also available. Many can ship directly from stock. If not part of our 7000+ in-stock products, MAIN can manufacture and ship quickly- (4-5 days) is common from our US facility.
MAIN Manufacturing Products, Inc. Phone: (800) 521.7918 E-mail: info@mainmfg.com
JHDH series medium pressure hydraulic cylinder 148
Lehigh’s JHDH series medium pressure hydraulic cylinder offers the world’s least expensive hydraulic cylinder position sensing capabilities. By using position adjustable tie-rod mounted limit switches with our mag piston option, Lehigh JHDH series hydraulic cylinder eliminates the need for expensive embedded transducers or fixed end-of-stroke sensors. Bore sizes from 1” to 6”. Stroke lengths from 1” to +120”.
Contact Lehigh Fluid Power to learn more about our affordable hydraulic cylinder sensing option. Phone: 800-257-9515 149 Email: sales@lehighfluidpower.com Web: lehighfluidpower.com/fp
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Special Ad Section
//// Product spotlight
H6 Heavy Duty Cylinder Yates Industries H6 Heavy Duty Cylinder is rated for 3000 The PSI and features 1½ to 20” bores standard, 22 different mounting options, is JIC-NFPA interchangeable, and can be customized with nearly limitless combinations of rod ends, cushions, couplers, seals, and ports – all backed by our legendary warranty and repair capabilities.
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Yates Industries
YOULI HYDRAULIC DIRECTIONAL CONTROL VALVES Direct Acting Electric Solenoids...now available: Youli directional control valves, rated to 4600psi, monoblock or sectional styles, are now available from stock in Houston, with electric direct acting solenoids on the MB-4 series, rated to 16GPM. Pneumatic operators are also available on all Youli valves, and also kept in stock. Youli quality is based on 25 years of industrial hydraulic valve manufacturing for the machine tool business in Taiwan. A quality product line with a major commitment to inventory in Houston, Texas, and offered at competitive prices, is growing our reputation.
23050 Industrial Dr. E. St. Clair Shores, MI 48080 586-778-7680 www.yatesind.com
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Youli Hydraulic Industrial Co., Ltd. Proudly sold through distribution. Please call to be referred. Contact the company at 1-888-330-8041 or email to service@youli-america.com View basic specifications at www.youli-america.com
Stops Leaking Hydraulic LInes Save Time • Save Money • Save Labor • Save Oil • No tools required • No expensive hardware needed • No more rags stuffed into hoses • No more messy plastic caps • The ultimate contamination control tool • One hand installation • Eliminate hydraulic oil spills & clean up • Quick installation & ease of usage • Safe for personnel & environment • Industry acclaimed • 100% Made in USA
Flange Lock™ Contact Mike Pearl at 914.980.8890 or email: mike@flangelock.com www.flangelock.com
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Clean, Quick & Easy Flange Sealing
Clean Technologies’ CLEAN SEAL FLANGE Ultra (CSF) is a tool-like device that easily attaches to SAE flanges to prevent dirt and contaminants from entering hydraulic hoses when switching out or removing components such as pumps, cylinders or valves from heavy duty equipment. Visit www.ultracleantech.com to learn more and download our Clean Seal Flange brochure. • No tools necessary • Anti-jamming, locking O-rings • Spare O-rings stored on CSF • Universal fit for SAE Code 61-62, CAT & Komatsu flanges • Color-coded for easy identification
153 Ultra Clean Technologies Corp. 1274 Highway 77 • Bridgeton, NJ 08302 Phone: 800-791-0111 or 856-451-2176 Fax: 856-453-4975 Email: Sales@ultracleantech.com www.ultracleantechnologies.com
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November/december 2012
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Product spotlight ////
Special Ad Section
Enrange Flex VUE™ Handheld Transmitter
comprehensive Hydraulic Repair and Service
Magnetek’s new Enrange Flex VUE handheld transmitter combines proportional control along with a graphic display that provides advanced communications, configuration convenience and two-way feedback. The high resolution color display keeps the operator informed of system status and diagnostics at all times, including battery life, signal strength, and warning symbols. Users can quickly and easily configure the transmitter right through the display menu. Combine with our MHR Radio Controller for a full hydraulic control solution. Contact Magnetek to find out more about how our entire range of rugged wireless radio controls bring precision control and enhanced safety to tough mobile hydraulic applications.
Magnetek N49 W13650 Campbell Drive Menomonee Falls, WI 53051 800.288.8178 262.783.3500 sales1@magnetek.com www.magnetekmobilehydraulic.com
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Womack Machine Supply Co. offers comprehensive Hydraulic Repair and Service. Along with component replacement and repair, we offer complete refurbishment of your system. Our Salt Lake City facility can service any major OEM product, we have a strategic partnership with the Bosch Rexroth Service Center in Dallas and a new Houston location opening in November 2012.
Womack Machine Supply Co. Visit www.womackmachine.com/solutions for more.
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ISO 9001:2000 Certified Same Day Shipping 1 Year Warranty M2 Cartridge Motor
Compact Hydraulic Motors
Variable Pumps Fixed Flow Pumps
Taking M2Now Cartridge orders for New Motors 2 Bolt Flange in Motors Stock!
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November/december 2012
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www.fluidpowerjournal.com | www.ifps.org SUNFAB 2-09 ad.indd 1
2/2/09 8:58:03 AM
Special Ad Section
//// Product spotlight
turnkey hydraulic data acquisition package
D03, D05, D07, D08, D10 VALVES & CIRCUIT STACK MODULARS
The C2000 is a turnkey hydraulic data acquisition package that will display, log, store and report test results tailored to the needs of the user. The C2000 allows the operator to produce test certificates with graphs at the touch of a button with full ISO9000 traceability. The C2000 is fully scalable up to 64 inputs including flow, pressure, temperature, speed, contamination, torque & other analog inputs.
Power Valve U.S.A. represents, as factory warehouse and sales office, a Taiwan manufacturer of D03, D05, D07, D08, and D10 valves, and modular circuit stack valves. With inventory in the Houston warehouse, all products are competitively priced, and machine tool quality. In fact the parent company, Tai Huei Oil Industry Co., Ltd. has been selling valves for over 25 years to the machine tool industry in Taiwan. All standard AC and DC voltages are available, and all standard spool configurations are in stock. Special spools are available. Pressures to 5000psi and flows from 16GPM (D03) to 211GPM (D10) are standard. With inventory on the shelf and very competitive pricing, we invite your inquiry.
Webster Instruments Division of Webtec Products Ltd. Phone: 800-932-8378 / 414-769-6400 www.webster-inst.com
Power Valve U.S.A. Proudly sold through distribution. Please call to be referred. Contact the company at 1-888-862-1064 or e-mail to service@powervalveusa.com View basic specifications at www.powervalveusa.com
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157
®
Directional control ValVes
- QUalitY - Price - noW!
Monoblock...12GPM...16GPM...21GPM sectional...13GPM...21GPM...37GPM 4600 psi - ac/Dc - air - cable
Youli-America
Houston, Texas www.youli-america.com service@youli-america.com 888-330-8041 Youli Hydraulic Industrial Co., Ltd. ...machine tool quality from Taiwan and proudly sold through local distributors Circle 111
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After six years of careful restoration, the auditorium bathes in its former glory once again.
Modern
Technology behind
Historical
Wall: Bolshoi Theater Boasts Extremely Flexible Stage Technology
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November/december 2012
Submitted by Bosch Rexroth Corp. Before the Bolshoi Theater in Moscow could reopen, six years of complex renovation work was required. As general contractor for the extremely powerful and flexible stage technology, Bosch Rexroth AG planned, installed, and put into operation more than 600 electrical and hydraulic drives, as well as stage-controlled equipment for the over- and under-stage machinery. It is now show business as usual at the Bolshoi Theater in Moscow, which has been declared a World Heritage Site. Theater fans can discover sophisticated, state-of-the-art stage technology behind the full-retained historical faรงade, which dates from 1825. The external dimensions of the building had to remain unchanged during the renovation, and so the stage area was completely gutted and a new room was built for the stage technology. The stage pit, for example, which holds the stage platforms, is now more than 20-meters deep. The seven large stage platforms manage to impress: each platform has two levels and is 22-meters long, 3-meters wide, and 10-meters high. Each platform weighs approximately 70 tons. The hydraulic drives move smoothly up and down over a distance of 16 meters at
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a speed of up to 0.7 meters per second. And none of this can be heard in the auditorium. Not only is the hydraulic unit extremely quiet, but Rexroth has also placed it as far away from the audience as possible in the lowest part of the basement. The over-stage machinery has a variety of functions. For example, a winch can lift up to one ton at a comparatively high speed of up to 1.8 meters per second. The spectator, meanwhile, must not be able to hear anything at all from the drives during the movement. For this reason, very quiet machine technology is used in combination with effective sound insulation to prevent disruptive noises. An additional challenge is to ensure absolute safety. Artists and stage personnel may be on stage while heavy loads are moved above them. Sophisticated sensors and numerous software functions in the Rexroth stage control system ensure that dangerous situations do not arise.
TOP LEFT: Behind the scenes: Five vertically adjustable light bridges with multi-component lighting frames illuminate the main stage
BOTTOM LEFT: The telescopic side lights can be moved both vertically and horizontally and illuminate the scenery on the side stage TOP RIGHT: View to the flies: Lines running up the fly tower are used to raise and lower parts of the stage set from the stage ceiling
For more information, visit www.BoschRexroth-US.com. AMETEKAPT10017-R_eBrick-7.625x4.875_FPJ_APT10017 09/11/12 10:30 AM Page 1
The new 955 eBrik linear displacement transducer.
Price and performance so well balanced, it just might displace potentiometers. At last, there’s a purely electronic solution to position sensors. Our new 955 eBrik uses magnetostrictive technology so there’s no contact, no moving parts, nothing to wear out. No erratic position signals. Available in 1" to 72" stroke lengths, it’s economical and versatile enough for many applications, field-programmable, and the perfect replacement for old-style potentiometers. Learn more at our website or send e-mail to gemco@ametek.com.
ametekapt.com ©2012 AMETEK Inc. All rights reserved.
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tech tips
HII offers:
1
Air Driven Liquid Pumps for: • Pressure Testing • Operating Hydraulic Jacks • Powering Crimping & Riveting Tools • Bolt Tensioning • Hydraulic Clamping • Autofrettage of High Pressure Components Air Driven Air Pressure Air Amplifiers for: • Tire Curing Presses • Air Pressure Boosting • Pneumatic Clamping Air & Electric Driven Gas Boosters for: • Accumulator Charging • Pressure Gauge Calibration • Gas Transfer • Gas Recovery • Airbag Inflation Charging • Oxygen Charging of Life Support Bottles
GAS BOOSTERS & AIR PRESSURE AMPLIFIERS
LIQUID PUMPS
Hydraulics International, Inc. 9201 Independence Ave., Chatsworth, CA 91311, USA Tel: +1-818-407-3400 Fax: +1-818-407-3428
One thing I find in maintenance costs is money wasted due to air leaks that drive a compressor runtime through the roof and the electric bill along with it. A large building with this problem can easily cost the company an additional $30,000 in utility costs. I have a friend who made $10,000 for about one month of work. His tools were a bottle of soapy water, a pipe wrench, and a roll of Teflon tape. During lunch breaks, he would go from machine to machine and spray soapy water on air fittings and valves, sometimes on components. Air would cause bubbles at the point of the leak. In the majority of cases, the source of the leak was a faulty threaded connection. The connection was disassembled, cleaned, and put back together with tape applied to the threads. Some of the leaks were found where base-mounted valves met the manifold and required tightening or o-ring replacement. There were no major costs associated with the repair of the leaks, but the savings were enormous.
Visit our web site:
Joe Nail, CFPAI, CFPAJPP, CFPIHM, CFPMHM (joe.nail@kctcs.edu)
www.hiigroup.com © 2011 HII HYD-1554
2
In the “heat” of the moment of a pneumatic system troubleshooting exercise, skilled workers frequently overlook the most important step. If this step is bypassed, nothing will work. This step is so rudimentary and obvious that it is overlooked because it is so simple. The first thing to check: Is the air on (and at the correct operating pressure)?
Circle 113
Clayton Fryer, CFPAI, CFPPM, CFPPT, CFPPS (cfryer1996@tds.net)
3
What’s in your toolbox? As technology advances, prices tend to become more affordable. Digital measuring tools have advanced into the 21st century. What was once reserved for specialty shops can now be found in most every toolbox. They are easier to read than the old analogue tools. With most digital measuring tools, converting between standard and metric is as easy as the push of a button. Remember to keep fresh batteries handy for all your digital tools. As with analog tools, they can be damaged when dropped. Until next time, remember, keep your precession test equipment well cared for and properly calibrated. Jeff Hodges, CFPAI, CFPAJPP, CFPMHM, Altec Industries, Inc. (jeff.hodges@altec.com)
Got a Tech Tip? We Want to Publish it! Circle 117
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Fluid Power Journal is looking for Professionals in the industry to submit small blurbs (2-3 paragraphs) to help readers troubleshoot common problems and challenges. Contact Kristine Coblitz at kcoblitz@ fluidpowerjournal.com for more information.
Special Advertising Section
// Web marketplace
www.boschrexroth-us.com/construction
www.clippard.com
www.dynamicfc.com
Bosch Rexroth Corporation
Clippard Instrument Lab., Inc.
Dynamic Fluid Components, Inc.
As a global leader in mobile hydraulics technology, Bosch Rexroth can help you build mobile machines with improved energy efficiency, reduced noise, better power management and more intelligent control. Our newly updated construction industry webpage pages are devoted to TIER 4 Final implementation, insight on energy efficiency for mobile machines and information on our latest mobile equipment hydraulics and controls. For more information: 1-800-REXROTH (739-7684) info@boschrexroth-us.com
Clippard Pneumatic Control Devices Clippard’s complete line of Minimatic® Control Devices includes over 5,000 standard products. Some of the many products offered include valves, cylinders, fittings, modular components, push buttons, stainless steel cylinders, electronic manifold cards, circuit analyzers and pre-piped manifold subplates. Visit www.clippard.com to find complete product information and specifications, engineering drawings, ordering information, literature downloads, useful calculators, technical assistance, distributor information and more. Visit our web site for more information, or call 1-513-521-4261
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Dynamic Fluid Components, Inc. presents their range of products for the hydraulic, pneumatic, process, petrochemical, mobile, and other allied industries. Products detailed on this website include pressure, vacuum and compound gauges, test points and probes, high pressure ball valves, needle & flow control valves and compensated flow control valves. Also offered are low-speed high torque motors, hydraulic pumps. The PVS Sensors product line of pressure switches and transducers is introduced as well. For immediate attention, please call: W NE 1-800-988-1276 ur o t isi ite dynamic@dynamicfc.com ev bS 120
www.fluidynefp.com
www.herculesus.com
www.hydraulex.com
FluiDyne Fluid Power
Hercules Sealing Products
Hydraulex Global
At FluiDyne Fluid Power, our “People Make the Difference” is the driving force behind our fast growing business. Our wide line of remanufactured Vickers and Rexroth products allow our people to quote what you need at a price to save you money. Our new FluiDyne products include popular Vickers Vane, Veljan, Vickers Piston, Rexroth A10V, and Char-Lynn. Call or email us and see what our people can do for you.
ONLINE ORDERING NOW AVAILABLE Hercules Sealing Products provides parts for industries such as construction, mining, dump, refuse, material handling, industrial plant applications, agriculture and logging. Products range from hydraulic and pneumatic seals, seal kits, cylinders, power units and cylinder repair parts. Catalogs are published yearly and contain valuable technical information. For more information visit our website www.HerculesUS.com
586.296.7200 sales@fluidynefp.com www.fluidynefp.com 121
Hercules Sealing Products Phone: 866-885-4406 • Fax: 800-759-6391 E-mail: sales@HerculesUS.com www.HerculesUS.com
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as We Ple
Hydraulex Global provides Hydraulic Pumps, Motors, Valves, Servo/Proportional Valves, PTOs, Cylinders and Parts for a variety of industries including: Construction, Mining, Plastic Injection Molding, Steel Mills, Paper Mills, Energy, Marine, Dump, Refuse, Agriculture, Logging, Crane & Recycling. We also offer Repair and Return Services for all major manufacturers, as well as, Service Exchange Units. Whatever your needs, Hydraulex Global is sure to be able to help. For more information: Visit our website: www.hydraulex.com Give us a call: 1-800-422-4279 123 E-mail us: sales@ahx1.com
November/december 2012
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Web marketplace // Special Advertising Section www.hydraulic-supply.com
www.hiipumps.com
www.laman.com
Hydraulic Supply Company
Hydraulics International, Inc.
La-Man Corporation
Hydraulic Supply Company offers a website where customers can browse thousands of parts in our online catalog, check inventory and place orders that can be shipped the same day. You can search www. hydraulic-supply.com for one of our stores or affiliates near you.
Hydraulics International, Inc. (HII Group), headquartered in Chatsworth, California, U.S.A. is a leading supplier of integrated products, services and support to military forces, aviation, commercial industries, Government agencies and prime contacts worldwide. Focused on defense and commercial technology, the Company develops, manufactures, and supports a broad range of systems for over one hundred industries as well as mission critical and military sustainment requirements worldwide.
Hydraulic Supply Company 300 International Parkway Sunrise, Fl 33325 800.432.6413 124
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La-Man Corporation PO BOX 328 Mazeppa, MN 55956 800-348-2463
www.mainmfg.com
www.marzocchipumpsusa.com
www.munciepower.com
Main Manufacturing Products
Marzocchi Pumps
Muncie Power Products
MAIN’s website provides quick access to the most popular styles of HYDRAULIC FLANGES AND COMPONENTS. “About Us” gives background of this US manufacturer. “Create-A-Flange” offers more parts than the catalog — by picture. If it’s not here, or for questions, E-mails may be sent to get your answer quickly. MAIN Mfg. Products, Inc. 1-800-521-7918 E-mail: info@mainmfg.com
44
9201 Independence Ave. • Chatsworth, CA. 91311 Tel: (818) 998-1231
La-Man Corporation is a leading manufacturer of compressed air filtration products. With over 30 years of experience, we truly understand the importance of protecting valuable machinery, tools, and finished products from dirty, wet, contaminated air. La-Man’s line of products include the patented Extractor Dryer, .01 micron filter, as well as, LA-MAN-Air Breathing Systems™, SuperStar™ Membrane Dryers, and the Refrigerated Extractor/Dryer.
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For over 50 years, Marzocchi Pumps has been a leader in hydraulic technologies, resulting from an unrelenting commitment to product development and quality. Today, the company is one of the largest gear pump and gear motor manufacturers worldwide. With over 2,000 pumps and motors to choose from, Marzocchi is sure to have the right fit for any hydraulic need. Marzocchi Pumps USA 905 Albion • Schaumburg, IL 60193 Phone: 800.924.5404; 847.923.9910 Fax: 847.923.9937 pumps@marzocchipumpsusa.com
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Muncie Power Products has once again extended their reach with their new single-acting telescopic cylinders. These uniquely designed cylinders provide performance and value through advanced machining and the use of proprietary seals to deliver extended life without need for adjustment. The cylinders have been engineered with machined hard stops to guarantee reliable stopping at the end of every stroke. The bore size of the final stage is larger but the average displacement of the stages has been reduced. This allows Muncie’s cylinders to require less oil than the competition and ultimately leads to faster cycle times with the ability to lift more using the same pressure. 129 800-367-7867
Special Advertising Section
// Web marketplace
www.rotorclip.com
www.ultracleantechnologies.com
Rotor Clip Company, Inc.
Ultra Clean Technologies
Rotor Clip manufactures a full line of inch, DIN, ANSI metric and JIS retaining rings to world standards, as well as a complete line of constant section rings, spiral retaining rings, wave springs & hose clamps. Installation tools also available. ISO/TS 16949 certified. Free samples & online quotations.
Visit our new website for information on our Clean Easy, Seal Easy, and Breathe Easy contamination control product lines for the hydraulic hose and tube markets, including our newest innovation, the Clean Seal System. Our products offer quicker, easier and more effective cleaning solutions than other traditional methods. Watch our online video, “Contamination Control, The Ultra Clean Solution.” Product, sizing charts, cleaning procedures, and live chat all available online!
Precision Orifices
Plus
Fluid Control Products Monroe, CT CATALOG NO. 11
“Precision Orifice Capital of the World”
PRECISION ORIFICES 20,000 Precision Orifices are included in the 72 page catalog. Orifices in sizes from .0003" to .125" diameter are made of brass, stainless steel or sapphire. Connections include barbs, compression styles, press-in inserts, set screw threads, and pipe sizes 1/8", 1/4", 3/8" and 1/2" NPT and metric threads. O’Keefe Controls Co. (800) 533-3285 Web Site: www.okcctb.com
Ultra Clean Technologies Corp. Phone: 800-791-0111 Email: Sales@ultracleantech.com 130
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www.womackmachine.com
www.yatesind.com
www.zinga.com
Womack Machine Supply Co.
Yates Industries
Zinga Industries
Womack Companies is an Industrial Distributor of Hydraulic, Pneumatic and Automation Equipment with corporate offices located in Farmers Branch, Texas. Womack represents some of the world's leading manufacturers of fluid power and industrial control products, and maintains one of the largest inventories in the South and West in conveniently located Regional Service Centers. Womack Companies supply individual components and complete systems to Customers in every industry from Energy, Agriculture, and Construction, to Defense. Contact us by calling 800-569-9800 133
Rotor Clip Company, Inc. 187 Davidson Avenue Somerset, NJ 08873 1.800.557.6867
Yates Cylinders Offer: • H6 Series - Heavy Duty Hydraulic (3000 PSI) • H4 Series - Medium Hydraulic (up to 1500 PSI) • A4 Series - Heavy Duty Steel Air (250 PSI) • A2 Series - Aluminum Air (250 PSI) • Air/Oil Intensifiers • All Stainless Steel Cylinders • Air/Hydraulic Welded & Mill Type Cylinders • Special Cylinders per Customer Supplied Prints and Specifications Yates Industries, Inc. Yates Industries South, LLC 23050 Industrial Dr. E. 3401-J Highway 20 St. Clair Shores, MI 48080 Decatur, AL 35601 586.778.7680 ph 256.351.8571 ph 586.778.6565 fax 256.351.8571 fax
Zinga Industries is a leading manufacturer of mobile hydraulic oil filters, tank accessories, and manifolds. From 5 PSI to 6000 PSI, tank top or spin-on, we have a filtration product to meet your needs. Hydraulic manifolds are custom designed for your specific application. Tank accessories are the best available and standard equipment with major OEM’s. We are an ISO registered company, celebrating 30 years in the hydraulic filtration industry. Zinga Industries 608-524-4200 • www.zinga.com
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classifieds
Cylinders Same-Day Shipping! Stainless Steel
20
• Thousands of Items • Huge Inventory • Bore Sizes to 3” • Strokes to 12”
513-521-4261 www.clippard.com
WANTED Fluid Power Executive Recruiters As veteran recruiters who focus in the Fluid Power Industry, we need outstanding professionals to fill opportunities in: -Engineering -Design -Manufacturing -Sales -Marketing
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New · Used · Obsolete Large or Small Inventories
Pumps · Motors · Valves · Servos · Parts Vickers • Eaton • Denison • Rexroth • Bosch Moog • Pegasus • Atchley • Kawasaki • Staffa Racine • Double A • Oilgear • Parker • Dynex Char-Lynn • & many others!
Ad • Product Spotlight • Web Marketplace
Serious About Surplus!
Seriously! We’ll Make You The Best Offer on:
Contact: Eric C. Bergsman, Sales/Marketing Dave Sevel, Engineering William Radke, Manufacturing/Operations
Call or Fax with a list of your Surplus... State the condition of the components & we’ll provide you with a price offer!
Marvel Consultants, Inc. 28601 Chagrin Blvd., #210, Cleveland, Ohio 44122 www.marvelconsultants.com recruiters@marvelconsultants.com Tel: 216-292-2855, Fax: 216-292-7207
1-800-422-4279 | 586-949-4240 Fax: 586-949-5302
November/december 2012
Advertiser Index Company Page Circle Alloys and Components.............................................................. 32.............. 106 Ametek Automation and Process Technologies........................ 41.............. 112 Association Management Company.......................................... 42.............. 117 Bosch Rexroth Corporation........................................................CII.............. 115 Bosch Rexroth Corporation........................................................ 43.............. 118 Clippard Instrument Lab Inc...................................................... CIV.............. 114 Clippard Instrument Lab Inc........................................................ 43.............. 119 Continental Hydraulics................................................................ 11.............. 493 Dixon Valve & Coupling Co......................................................... 32.............. 107 Dixon Valve & Coupling Co......................................................... 35.............. 140 Dynamic Fluid Components....................................................... 30.............. 103 Dynamic Fluid Components....................................................... 43.............. 120 Flange Lock.................................................................................. 37.............. 152 Flange Lock.................................................................................. 27.............. 505 Flaretite Inc.................................................................................. 23.............. 502 Flaretite Inc.................................................................................. 35.............. 143 Fluid Power Training Institute..................................................... 38.............. 109 Fluidyne Fluid Power..................................................................8-9.............. 492 Fluidyne Fluid Power................................................................... 35.............. 141 Fluidyne Fluid Power................................................................... 43.............. 121 Hercules Sealing Products.......................................................... 43.............. 122 Honor Pumps U.S.A.................................................................... 31.............. 105 Honor Pumps U.S.A.................................................................... 34.............. 136 Hydraulex Global........................................................................CIII.............. 116 Hydraulex Global......................................................................... 43.............. 123 Hydraulic Supply......................................................................... 13.............. 494 Hydraulic Supply......................................................................... 35.............. 144 Hydraulic Supply......................................................................... 44.............. 124 Hydraulics International Inc........................................................ 42.............. 113 Hydraulics International Inc........................................................ 44.............. 125 Inserta.......................................................................................... 20.............. 500 Inserta.......................................................................................... 36.............. 145 Inserta.......................................................................................... 36.............. 146 La-Man Corp................................................................................ 31.............. 104 La-Man Corp................................................................................ 44.............. 126 Lehigh Fluid Power Inc................................................................ 36.............. 149 Lubriplate Inc............................................................................... 25.............. 504 Magnetek/Enrange...................................................................... 38.............. 154 Main Manufacturing Products.................................................... 36.............. 148 Main Manufacturing Products.................................................... 44.............. 127 Marzocchi Pumps........................................................................ 44.............. 128 Muncie Power Products Inc.......................................................... 3.............. 490 Muncie Power Products Inc........................................................ 34.............. 139 Muncie Power Products Inc........................................................ 44.............. 129 O’Keefe Controls Co.................................................................... 28.............. 101 O’Keefe Controls Co.................................................................... 35.............. 142 O’Keefe Controls Co.................................................................... 45.............. 130 Peninsular Cylinder Co. Inc......................................................... 20.............. 499 Peninsular Cylinder Co. Inc......................................................... 34.............. 138 Power Valve................................................................................. 22.............. 501 Power Valve................................................................................. 39.............. 157 Rotor Clip Company.................................................................... 33.............. 108 Rotor Clip Company.................................................................... 45.............. 131 Schroeder Industries LLC............................................................ 29.............. 102 Sunfab North America................................................................ 38.............. 110 TR Engineering Inc..................................................................... 23.............. 503 Ultra Clean................................................................................... 19.............. 498 Ultra Clean................................................................................... 37.............. 153 Ultra Clean................................................................................... 45.............. 132 VEST Inc........................................................................................ 5.............. 491 Webster Instruments................................................................... 27.............. 100 Webster Instruments................................................................... 39.............. 156 Womack Machine Supply Co...................................................... 17.............. 496 Womack Machine Supply Co...................................................... 38.............. 155 Womack Machine Supply Co...................................................... 45.............. 133 World Wide Electric Corp............................................................ 18.............. 497 World Wide Metric Inc................................................................. 36.............. 147 Yates Industries Inc........................................................................ 1.............. 489 Yates Industries Inc...................................................................... 45.............. 134 Yates Industries Inc...................................................................... 37.............. 151 Youli............................................................................................. 39.............. 111 Youli............................................................................................. 37.............. 150 Zinga Industries Inc..................................................................... 15.............. 495 Zinga Industries Inc..................................................................... 34.............. 137 Zinga Industries Inc..................................................................... 45.............. 135
www.ahx1.com
sales@ahx1.com
48175 Gratiot Ave., Chesterfield, MI 48051
www.fluidpowerjournal.com | www.ifps.org
• Hydraulic cylinders, valves, motors & more • PTO shafts, universal joints & gear boxes • Bearings of all kinds, roller chain, sprockets, tires, wheel assemblies, seats, engines, most anything related to lawn & garden and off road Larry Leggett 1-800-800-1810 Ext.3202 Fax: 1-800-800-1811 email: LLeggett@baileynet.com
Bailey Surplus Serious About Surplus
www.baileynet.com
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1. Do you specify, select, or influence the purchase of components & systems on new or existing machinery? 03 Yes 04 No If yes, in which technologies? (check all that apply) 05 Hydraulic 06 Pneumatic 07 Vacuum 08 Electronic Controls 09 None of these 2. What is your primary job title? (check all that apply) 10 Administration 11 Plant Operations 12 Engineering 13 Technical 14 Mechanical 15 Purchasing 16 Other
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Which edition would you like to receive? Print Digital Both 1. Do you specify, select or influence the purchase of components & systems, on new or existing machinery? 03 Yes 04 No. If yes, which technologies? (check all that apply) 05 Hydraulic 06 Pneumatic 09 None of These 07 Vacuum 08 Electronic Controls 2. What is your primary job title? (check only one) 10 Administration: Chairman, Pres., V.P., Sec., Tres., G.M., Owner, Bus. Mgr., Dir., etc. 11 Plant Operations: VP of Mfg/ Oper/ Prod., Plant Mgr./ Dir. Mgr., Supv./ Supt./ Foreman/ Safety Dir., etc. 12 Engineering: V.P. Eng., Eng., Des. Eng., Dir. of Eng., Staff Spec., Chief Eng., Senior Eng., Maint/Prod. Eng., etc. 13 Technical: Chief Tech., Fluid Power Tech., etc. 14 Mechanical: Chief Master Mech., Master Mech., Fluid Power Mech., etc. 15 Purchasing: VP/Dir. of Purch., Procurement Mgr., Buyer, Purch., etc. 16 Other: (please specify)______________________________________ 3. Number of employees at this location? A 1-19 B 20-49 C 50-99 E 250-499 F 500-999 G 1000+
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(View a sample of our paperless digital edition at www.fluidpowerjournal.com) 4. What is the primary business activity at this location? In the Fluid Power Industry Outside the Fluid Power Industry 56 Manufacturer 57 Distributor 58 Education 59 Original Equipment Manufacturer (OEM) 60 End User of Fluid Power Products 61 Other: (please specify)______________________________________ 5. Which of the following best describes your market focus? A Aerospace A Marine & Offshore Equipment B Agricultural Machinery B Material Handling Equipment C Automotive C Mining Machinery D Civil Engineering D Packaging Machinery E Cranes E Plastic Machinery F Drills & Drilling Equip. F Presses & Foundry G Flame Cutting/Welding Equip. G Railroad Machinery H Food Machinery H Road Construct/Maint. Equip. I Forestry I Simulators & Test Equipment J Furnaces J Snow Vehicles, Ski Lifts K Gas & Oilfield Machinery K Steel Plants & Rolling Mills L Heavy Construction & Equip. L Truck & Bus Industry M Military Vehicles M Textile Machinery N Construction & Utility Equip. N Woodworking Machines O Machine Tools O Other (specify)_____________ P Government Related P Fluid Power Industry
My company should be advertising in or submit an article to the Fluid Power Journal. Please contact this person: Name:_________________________________________Title:___________________________________ Phone:______________________________________________
energy applications/industrial
YOUR SINGLE SOURCE HYDRAULIC SOLUTION
METARIS JOINS THE HYDRAULEX GLOBAL TEAM!
agriculture
For more information, visit www.hydraulex.com.
SERVING YOUR IMMEDIATE NEEDS When downtime is an issue, you can be certain that we can get you back up and going in no time. We have over 10 million New, Remanufactured, Genuine Metaris and Genuine Benchmark units and components in stock, ready for immediate delivery from any of our multiple locations across the U.S. and Canada. Our products, inventory and technical knowledge create the quickest turnaround possible, limiting lead times, and allowing us to ship superior product with a top of the line warranty. So don’t wait - contact us today!
Pumps · Motors · Valves · Servo & Proportional Valves Orbital Motors · PTOs · Cylinders · Parts
1-800-422-4279 www.hydraulex.com
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