Fluid Power Journal May/June 2012

Product Focus on Proportional & Servo Valves, Fluid Power Software

M ay / J u n e 2 0 1 2

Proactive Maintenance

Define Your

tow

2012 offshore

Technology conference

(OTC) Innovative Designs & Publishing

E

s s o L y g r ne

3245 Freemansburg Avenue , Palmer , PA 18045-7118

c i t a m u e in Pn ts n e n o p m o C Piping

&

Nonprofit Organization US Postage Paid Bolingbrook, IL Permit #323

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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

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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 137

contents m ay / j u n e 2 0 1 2

|

Volume 19

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Departments

Issue 5

26 features

08 22 26 40

2

Proactive Maintenance 101: Define Your tow

04 Notable Words 06 All About Air 09 IFPS Certification Spotlight 10 Tech Tips 14 Product Spotlight 20 Executive Profile 23 Product Review 25 Safety Focus 28 Calendar of Events 30 Web Marketplace 33 Association News 46 Classified

Fluid Power Journal is the official publication of the International Fluid Power Society

By Brendan Casey

The 2012 Offshore Technology Conference use protection

By Daniel Pascoe

Determining Energy Loss in Pneumatic Components & Piping

By John F. Berninger, Parker Hannifin Corp.

may/june 2012

www.fluidpowerjournal.com | www.ifps.org

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.

quietly thrives

in harsh environments Extreme durability meets low db performance.

Outperforming.

Outlasting.

Outstanding.

Workhorse strong and church-mouse quiet, our complete line of vane pumps are built to outperform and outlast sensitive piston pumps in the most challenging situations.

Our patented Walking Ring and Hydrodynamic Journal Bearings maximize your pump life for the lowest cost of ownership. With Direct Spring-to-Load Sensing and Torque Limiting Control, our vane pumps deliver the control your operation demands. The Pressure Balanced Thrust Plates improve pump efficiencies, and the variable volume and pressure compensated construction simplifies circuit design, while reducing heat and noise to make even harsh work environments less harsh.

PUMPS

VALVES

POWER UNITS

952. 895. 6400 | www.continentalhydraulics.com Circle 138

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, CFPAI, CFPS, CFPECS, CFPMT 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 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

By Ron Marsha ll, Compre ssed Air Challen ge

Compressed

Air Challenge:

Training and Resources Designed with You in Mind

F

or the typical industrial plant, compressed air is one of the most important utility requirements, but it is commonly the most misunderstood energy system. Optimization of compressed air systems is a key to greater productivity, efficiency, and profitability. The Compressed Air Challenge® (CAC), in partnership with the U.S. Department of Energy (DOE) Advanced Manufacturing Office (AMO), has developed a rich portfolio of useful compressed air-related information resources, tools, and training seminars—all available with a few clicks on your computer.

Systems Approach—What This Means to You Improving and maintaining peak compressed air system performance requires not only addressing individual components of a system, but also analyzing both the supply and demand sides and how they interact. This practice is often referred to as taking a “systems approach” because the focus is shifted away from components to total system performance.

For example, a system designer or maintainer might choose to install an inexpensive filter, regulator, lubricator (FRL) on the input of a pneumaticpowered machine that causes the plant pressure to be increased by 10 psi. If this machine consumes very

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, CFPS, CFPECS, CFPCC - National Oilwell Varco Dan Helgerson, CFPAI, CFPS, CFPECS, CFPMT 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 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 18045-7118. 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 advertising material and will

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not guarantee the return or safety of unsolicited art, photographs or manuscripts.

little compressed air, the cost of this higher pressure at the local level may be minuscule. However, on a system level, this pressure increase might cause an increase of 5% to 10% to a total compressed air electrical cost of $75,000 or more if there is a significant-sized compressed air system in the facility.

CAC’s resources and seminars focus on this approach in order to help compressed air users understand the real cost of decisions about system components and the impact on a system-wide level.

But Isn’t Air Free?

Many end-users think so and don’t know what it costs to operate their air compressors, nor can they assess the cost of using 10, 50, or 100 cubic feet per minute. Many are surprised to discover that the operating costs throughout the life of compressed air equipment greatly exceed the initial purchase price. In fact, in most cases, the annual energy cost alone will exceed the purchase price in the first year of operation. It’s essential to determine the current annual costs in dollars and communicate this to all involved. In this way, better decisions can be made on new equipment selection and mode of operation of existing equipment.

Compressed Air Versus Other Energy Sources Compressed air is a necessary part of most plant operations, but it is not the most efficient source of energy in a plant. To operate a 1-hp air motor, you

need 7-8 horsepower of electrical power into the compressor. At higher than typical pressures, even more power is needed: • 30 scfm @ 90 psig is required by the 1-hp air motor.

• 6-7 bhp at compressor shaft is required for 30 scfm.

• 7-8 hp electrical power input to the compressor is required for 6-7 bhp at shaft of the compression element.

• The overall efficiency of a typical compressed air system can be as low as 10-15%.

Annual energy costs for a 1-hp air motor vs. a 1-hp electric motor, five days per week, two-shift operation, $0.10/kWh is $2,328 (compressed air) vs. $388 (electric). This means the compressed air-powered motor can cost six times as much for the same power output, more if plant pressures are higher than the estimated 90 psi.

The Cost of Poor System Performance Systems with leaks waste money. Leaks make an air system less efficient and increase the cost per unit produced. Consider an air system that has a leak level of 30% of the average production flow. This means the compressors must produce more than four units of air for every three units actually used. This means the cost of the above example air motor now increases to almost nine times as much as the electric motor.

If you want to cut costs, realize that compressed air • isn’t the most efficient source of energy in a plant, • often is the biggest end use of a plant’s electricity,

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• is frequently used inappropriately, • should be viewed as a system that can be managed, and • has costs that can be measured.

The Compressed Air Challenge training is focused on delivering understanding of these five key bullet points.

About Compressed Air Challenge CAC is a voluntary collaboration of industrial users – manufacturers, distributors, and their associations; consultants; state research and development agencies; energy-efficiency organizations; and utilities. These stakeholders work together to execute CAC’s mission: to provide resources that educate industry about optimizing compressed air systems, thereby increasing net profits. CAC has trained more than 13,000 compressed air users since 1999. If you are interested in learning more about CAC's free resources or would like to speak to someone about CAC training opportunities and educational resources, please visit www.compressedairchallenge.org.

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may/june 2012

5

all about Air

Cv vs SCFM

Visit www.fluidpowerjournal.com to download the program.

AMETEKAPT10017-eBrick-Hor:APT10017

Many, possibly a majority, of compressed air systems and the component parts don’t use common terminology to size the parts and pieces that collectively make up the system. With a simple sizing system where each component is assigned a common value, the items selected to put it together could be causally matched.

This XL program offers the flexibility to work outside the box of fixed data on ref. charts.

For example, to select a cylinder, calculate the flow required based on force and cycle rate to find the flow, SCFM. Now to select a suitable valve to operate the cylinder, most catalogs rate pneumatic valves by Cv. Select plumbing, fittings, filter, regulator, lubricator, etc., all with different capacity terms.

Without common size or capacity selection terminology, some systems are put together with items that have the same pipe port sizes but are severely mismatched.

We offer a tool that can be used to take the known or required flow (SCFM), Cv, or even differential pressure (Delta-P) and determine common capacity units.

Several benefits may be found by downloading the XL program provided: 1. You may size systems with items that will work together effectively.

2. The XL program may save time to convert the capacity of these units.

3. The comparison may improve your ability to recognize approximate cross-references.

4. Build good will by sharing a copy with associates.

As an example of using the chart: • Enter the supply pressure (90 PSIG, for example).

• Determine the pressure drop allowed (5 PSI, for example).

• Calculate the flow required in SCFM (43 SCFM, for example).

• Read down the left column to 90 PSIG and read across to the 5 PSID column.

• The chart lists 21.8 SCFM for a Cv of 1.

• Divide 43 SCFM total flow by 21.8 (the flow for a Cv of 1) for Cv = 1.97.

• Select a valve with a Cv of approximately 2.5 for 25% oversize or safety factor.

You can work with pressure drop, Delta-P, for sizing plumbing and accessories in a similar manner. Have fun.

10/10/11

11:03 AM

Page 1

By Tom Kreher, CFPPT, Applied Pneumatic Controls, Inc., OIL SMOKE®, www.applied-pneumatic.com

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.

ametekapt.com Circle 141

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Circle 142

36 centistokes. The maximum allowable viscosity for the Hagglunds motor is 10,000 centistokes, and the minimum allowable viscosity is 20 centistokes. The recommended optimum viscosity range is 40 to 150 centistokes.

The above information is tabulated in Table 1, where you can see the viscosity requirements for each of these hydraulic components are significantly different.

This is important because to figure out the correct oil viscosity, we need to be guided by the lowest maximum viscosity and the highest minimum viscosity.

This will make more sense as we work through this example. The Hagglunds motor can cope with a maximum allowable viscosity of 10,000 centistokes, but this would likely destroy the Bosch Rexroth pump. So in this column, the lower value of 1,000 centistokes is the defining number, and I’ve highlighted this value.

The same logic applies to maximum optimum viscosity, where 150 centistokes is still optimal for the Hagglunds motor, but not for the Rexroth pump. Again, 36 is the lower of the two numbers and is therefore the critical value in this column.

Conversely, the Bosch Rexroth pump is okay with a minimum allowable viscosity of 10 centistokes, but the Hagglunds motor is not. So the higher of the two numbers (20 centistokes) is the critical number in this column.

The same logic applies to minimum optimum viscosity, where 40 is the higher of the two numbers and is therefore the critical value in this column.

So, for this system as a whole, the allowable operating viscosity range is 20 to 1,000 centistokes.

Notice, however, that the minimum optimum viscosity value for the Hagglunds motor of 40 centistokes is higher than the maximum optimum viscosity value for the Bosch Rexroth pump. There’s nothing we can do about this, and it means the Bosch Rexroth pump must operate at a viscosity that is slightly higher than its optimum. Priority should be given to maintaining optimum operating conditions for the Hagglunds motor.

What this also shows is the importance of doing this exercise. If we simply took the recommended viscosity values for the Bosch Rexroth pump and applied them to the system, it’s possible the service life of the Hagglunds motor would be compromised.

Having collected, tabulated, and analyzed the above data, the next step is to consider possible oil viscosity grades. This involves defining the temperature that corresponds to each of the highlighted viscosity values in Table 1 for a particular grade and VI of oil, and then comparing these temperatures to the expected operating oil temperature range for the machine at its specific location. This will be the subject of a future article.

T

he most important proactive maintenance exercise you can do for a piece of hydraulic equipment is to define its temperature operating window (TOW) and then ensure the equipment always operates within this window.

Operating temperature is inversely related to oil viscosity. If operating temperature is too high for the grade of oil being used in the hydraulic system, loss of fullfilm lubrication can result in scuffing and adhesive wear. If operating temperature is too low for the grade of oil being used in the hydraulic system, cavitation can occur, damaging major components—catastrophically in severe cases.

Within the allowable extremes of viscosity (TOW) required to maintain adequate lubricating film thickness for hydraulic components and to prevent cavitation, there’s a narrower viscosity range (TOW) where power losses through fluid and mechanical friction and internal leakage are minimized, and therefore, power transfer is maximized.

If the hydraulic machine’s temperature operating window is maintained in this optimum range, machine cycle times are faster (productivity is increased) and power consumption (diesel or electricity) is reduced. And so defining the machine’s optimum operating viscosity range—and operating it within—is the ultimate goal of this exercise.

Before the correct oil grade (and Viscosity Index) can be chosen for a particular hydraulic machine, operating in a specific climate, it is essential to tabulate the allowable and optimum viscosity data for each type of pump and motor used in the hydraulic system.

Max Visc Max Optimum Min Optimum Min Visc System Component Note that the pumps and motors in the hydraulic system are what we cSt cSt cSt cSt are most concerned with here, because these components feature the most Rexroth A10VO140 1,000 36 16 10 critical and heavily loaded lubricated contacts. It is also important to be aware that the allowable and optimum viscosity range recommended can Hagglunds CA50-50 10,000 150 40 20 widely vary depending on the design and construction of the pump or Table 1: Manufacturer’s recommended allowable and optimum viscosity values motor.

For example, consider a hydraulic system in which a Bosch Rexroth A10VO140 About the Author: Brendan Casey is the founder of HydraulicSupermarket.com axial piston pump and a Hagglunds Compact CA50 radial piston motor are installed. and the author of Insider Secrets to Hydraulics, Preventing Hydraulic Failures, Hydraulics From the manufacturer’s data, the maximum allowable viscosity for the Bosch Made Easy and Advanced Hydraulic Control. A fluid power specialist with an MBA, he has more than 20 years experience in the design, maintenance, and repair of mobile and Rexroth pump is 1,000 centistokes at cold start and minimum allowable viscosity is industrial hydraulic equipment.

10 centistokes, while the recommended optimum operating viscosity range is 16 to

reliable leak-tightness for pneumatics !

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with its very compact construction and integrated O-ring it is THE reliable and economic solution in smallest installation spaces.

Heinrichs USA LLC | mail@heinrichs-usa.com Circle 143

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It’s our turn!

ifps certification spotlight

The International Fluid Power Society is the only organization that provides comprehensive technical certification offerings for all professionals in the fluid power and motion control industry.

IFPS certifications are portable and are recognized industry-wide. IFPS certification tests provide an objective, third-party assessment of an individual’s skill level. Individuals who successfully master the Industrial Hydraulic Mechanic’s level of competency are issued a credential CFPIHM signifying an elevated status in the workforce.

IFPS defines an Industrial Hydraulic Mechanic as an individual who fabricates, assembles, services, maintains, and tests mobile hydraulic equipment. The mechanic understands hydraulic symbols, reads system schematics, understands electrical principles, and is skilled in using hand tools, power tools, micrometers, and testing equipment. All Mechanic certifications require a three (3)-hour written and a three (3)-hour Job Performance (hands-on) test.

Information on Industrial Hydraulic Mechanic certification can be found by visiting www.ifps.org or calling 800-308-6005.

3. A hydraulic jack is capable of exerting a force of 10 tons. A pressure gauge installed on the jack shows a pressure of 2,500 psi at full load. What diameter (inches) is the cylinder ram?

A. 2.50" C. 0.25" E. 8.30" B. 0.40" D. 3.19"

2. Fluid sampling from a pressure line is desirable because: A. The fluid runs out easily since it’s pressurized.

B. It saves opening the reservoir.

C. Pressure lines are always more accessible.

D. The fluid is most representative of that which the components see.

E. The oil is warmer than at any other point in the system.

Additional practice questions can be found in the certification section of www.ifps.org.

Answers: 1 = D 2 = D 3 = D

Industrial Hydraulic Mechanic (IHM):

Lubriplate®

ADVANCED SYNTHETIC LUBRICANTS

FOR ALL YOUR FLUID POWER EQUIPMENT

Summary:

• Read hydraulic symbols and circuit diagrams • Use dial calipers and micrometers • Know various tube fittings and select the proper replacement • Make up tube assemblies • Know how to prevent and repair system leaks • Perform contamination control 99Add fluid to system with filter cart 99Aid in system flushing and commissioning 99Know how, when, and where to take fluid samples 99Use “Target Cleanliness Chart” for each system 99Check condition of hydraulic filters 99Check systems for water • Make up a crimped hose assembly 99Replace a hose assembly 99Inspect hose applications for twist and minimum bend radius • Service and charge accumulators • Assist technicians in start-up and commissioning • Promote safe working conditions with pressurized systems

If you are still using conventional, petroleum oil-based lubricants in your hydraulic systems, you are missing out on the many advantages that Lubriplate Synthetics have to offer.

Lubriplate® Syn Lube 46 • High Performance, 100% Synthetic, PAO-Based Fluid.

• Multi-purpose capable - provides lubricant consolidation.

For hydraulic systems and rotary screw air compressors.

• Provides unsurpassed oxidation resistance for long service life and extended fluid change intervals.

• Compatible with mineral oils for easy conversion.

Lubriplate® SFGO Ultra 46 • Same Great Benefits in Food Machinery Grade.

• NSF H-1 Registered, Meets FDA Regulations 21 CFR 178.3570.

TEST YOUR SKILLS

1. The extension force of a 4" bore hydraulic cylinder with a 1-1/2" rod and 2,000 psi oil is: A. 2,546 lb. C. 8,000 lb.

E. 32,000 lb.

B. 6,283 lb.

D. 25,140 lb.

Newark, NJ 07105 / Toledo, OH 43605 / 1-800-733-4755 www.lubriplate.com / LubeXpert@lubriplate.com Circle 144

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may/june 2012

9

1

tech tips

Stephen L. White, CFPHS steve.white@parker.com

2

Keep That Pressure Under Control!

Machinery in a plant often operates at pressure settings higher than that actually needed to get the job done. Elevated pressure settings can cause excessive wear and tear, cause machines to consume more energy than necessary, and exacerbate the energy lost to compressed air leakage. Reducing and controlling system pressure can reduce energy consumption, as well as reduce stress on components and equipment. Install service indicators on point-of-use filters so that pressure losses can be minimized. Consider the use of tamper-resistant, locking, or even “fixed” regulators to ensure that pressure remains set at just enough to do the job and no more.

The person who pays the electric bill will thank you!

Vacuum Assist to Lift Single-Acting Vertical Hydraulic Cylinders For discussion purposes, we will assume the cylinder is 4 inches in diameter, the rod is 2 inches in diameter, and all math figured here is approximate. This means the delta cross-sectional area would be near 10 square inches. At the first de-stroke of the piston, the part of the cylinder above the piston would be partially evacuated. If the vacuum attained was 20 inches of mercury, the upper surface of the piston would then feel an atmospheric pressure of about 5 psia, or about 10 psia less than if it were filled with air instead of partial vacuum. Ten pounds per square inch times (in this example) about 10 square inches would imply that the next and every subsequent lifting stroke would have about 100 pounds less to lift, depending on where the piston was within the cylinder. Not a great savings, but measurable at any rate. There may be issues with seals that might need to be overcome.

In the chart below, the cost of operating a piece of equipment is illustrated at 70 psi versus 50 psi.

Over Pressurization 70 psi to 50 psi Statistics

Average Pressure (PSI)

Average Flow (CFM)

70

72.08

50

53.34

Difference in Flow (CFM)

18.74

Difference in average flow = 18.74 cfm = $1,201 annually

Jon Jensen, CFPAI, CFPPS, CFPECS, jjensen@smcusa.com

Got a Tech Tip? We Want to Publish it! 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.

SELECTOR VALVES 40 GPM

6000 PSI

Proudly Made in the USA Proudly Made in the USA

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1350 Green Hills Road #10 Scotts Valley, CA 95066 Tel:(831) 430-9920 Fax: (831) 430-9989 e-mail: info@trengineering.com

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Available with four control options: • Double pilot • Spring offset • Manual (pictured) • Solenoid Block

FEROY CO. INC. 3220 B St. S.E. • Auburn, WA 98002 (253) 939-1363 • Fax: 939-0810 • www.feroy.com

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Our reputation is built on

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www.trengineering.com

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R AT I

Less than a 1% return rate.

Manufactured in the United States

10

EB

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DOUBLE SELECTOR

L

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CE

Model DSP40-I-B

TR Engi broad l valves, power manufa petroch have st

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S

JUDGE US BY OUR COVER. ONE LOOK TELLS YOU ALL YOU NEED TO KNOW ABOUT MEGASYS速 HOSE PRESSURE RATINGS.

KEEP IT SIMPLE. Color-coded constant pressure ratings at a glance.

Superior bend radius for longer assembly life.

Find out more at Gates.com/MegaSysColors

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product spotlight

Th

rea

de

Proportional & Servo Valves, Fluid Power Software

dC

yli

k

ac

nd

ers

ck

Ba

B to

3 Positio n

Sta Cy inle lin ss de Pu rs mp

Special Ad Section

tic g oma in Aut procat i c e R

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Arrow Inc. manufactures wired and wireless  Pierce remotes that function pumps, valves and solenoids.

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Allenair’s all Stainless Steel threaded Construction Cylinders are designed to exceed the strict wash down requirements of the food and process equipment industries. For use where bacterial, environmental or corrosion problems exist.

Because all metal parts are 300 series stainless, they are particularly recommended for the poultry, beef and dairy processing and packaging industries.

These universal remotes offer flexible wiring options, eliminate the need for diodes and feature spring loaded rubber buttons.

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Allenair Corporation

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VSO®- MI miniature proportional valve

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The new VSO®- MI miniature proportional valve is thermally compensated to provide precision flow control and stability.

The VSO®- MI has been tested to USP Class VI requirements making it easier to achieve system compliance for toxicity and sensitivity.

With integrated filtration, low power consumption and light weight, the VSO®- MI is an efficient solution ideally suited for manufacturers of portable and stationary medical equipment.

For more information please visit Parker Precision Fluidics Division at www.parker.com/precisionfluidics/vsomi

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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.

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Youli Hydraulic Industrial Co., Ltd. Contact the company at 1-888-330-8041 or email to service@youli-america.com View basic specifications at www.youli-america.com

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Special Ad Section

//// Product spotlight

MODULAR CONNECTORS 182



Inserta® Code 61 and Code 62 4-Bolt Modular Connectors can be customized with optional outlets in order to add flexibility to piping systems.

Reduced size flange patterns can be provided on side outlets. Threaded SAE O-ring and NPTF pipe ports are also available on these steel modules.

Gauge and test ports can be provided on any custom or standard modular connector.

“AA” FLANGE, 1DG SERIES DOUBLE PUMPS “A” FLANGE, 2DG SERIES DOUBLE PUMPS “B” FLANGE 3DG SERIES DOUBLE PUMPS 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.



Honor Gear Pumps Corp.

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

Inserta® Products Blue Bell, Pennsylvania www.inserta.com • 215.643.0192

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ADACONN® 2-BOLT FLANGE ADAPTER



The patented AdaflangeTM Unified Code 61 2-bolt flange adapter utilizes only two bolts to provide a compact and leak resistant flange connection that can meet most hydraulic system pressure requirements. Larger flow diameters are provided when compared with comparably spaced SAE adapters, resulting in lower pressure drops. Very compact manifold and component porting can be made with simple drill and tap operations, eliminating the need for SAE cavity form tools. This adapter will mate with either of the two diagonal tapped mounting holes of the same nominal size Code 61 4-Bolt flange port.

ADACONN® Blue Bell, Pennsylvania www.adaconn.com • 215.643.1900

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D03, D05, D07, D08, D10 VALVES & CIRCUIT STACK MODULARS

Cleanline Portable FA 016/ FAPC 016





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.

Power Valve U.S.A.

ARGO-HYTOS offers Cleanline portable - an innovative fluid management solution. Cleanline portable easily fills and cleans hydraulic and lubricating systems in off-line filtration offering the Exapor® ultra-fine elements filtration protection.The Cleanline portable can be equipped with an Oil Cleanliness Monitor OPCom permanently monitoring the current cleanliness class during the cleaning or filling process. Cleanline portable comes in a compact design and comfortable handling.

Argo-Hytos Inc. P.O. Box 28 1835 North Research Drive Bowling Green, OH 43402-0028

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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Product spotlight ////

Special Ad Section

Clean, Quick & Easy Flange Sealing

steel seamless precision metric tubes 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.

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

World Wide Metric Inc. 37 Readington Road Branchburg, NJ 08876 Tel. 732-247-2300 Fax 732-247-7258 Email: sales@worldwidemetric.com www.worldwidemetric.com

Ultra Clean Technologies Corp.

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746 Shiloh Pike • Bridgeton, NJ 08302 Phone 800-791-9111 or 856-451-2176 Fax: 856-453-4975 Email: Sales@ultracleantech.com www.ultracleantechnologies.com

100% Guaranteed Reliable and Quality Service

Fast Simplified Cylinder Ordering

Servo Hydraulics has been specializing in the sales and  Global service of all Servo and Proportional valves for over the past 20



years. We pride ourselves in offering 100% Guaranteed Reliable and Quality Service. We provide Competive Pricing, Free Evaluations, Free 24 Hr. Emergency Service, along with a 1 year, in service warranty.

Global Servo Hydraulics, Inc. 800-673-4745 www.Globalservo.com

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

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Special Ad Section

//// Product spotlight

SOS - Pressure Transducers and Transmitters



Pressure Transducers and Transmitters based on Silicon-onSapphire (SOS) technology have outstanding performance features that include high temperature operation, high accuracy, repeatability and long term stability. These features make SOS Pressure Transducers perfect for use in the off-highway industry.

Key characteristics of SOS technology: • 4 x overpressure safety Pnom • 8 x burst pressure Pnom • max. rise rate <72,500psi/second (<5,000bar/second) • mechanical life 10,000,000 pulses Pnom • wetted parts stainless steel 1.4305/SAE grade 303/ Titanium

Suco Technologies, Inc.

JHDH series medium pressure hydraulic cylinder JHDH series medium pressure hydraulic cylinder  Lehigh’s 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”.

330.722.1145 ww.suco-tech.com

Contact Lehigh Fluid Power to learn more about our affordable hydraulic cylinder sensing option.

Phone: 800-257-9515 181 Email: sales@lehighfluidpower.com Web: lehighfluidpower.com/fp

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High Torque, Low Speed Hydraulic Motors Fluid Power high torque, low speed  FluiDyne hydraulic motors are a cost effective, form, fit and function interchange for the common brands of motors. Hundreds 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

Feroy Co. Model DSP40 Selector Valve



Feroy Co. Model DSP40 Selector Valve. Rated at 6000 PSI and 40 GPM, this valve is available in two versions. The double selector version allows the control of two motors in a hydrostatic circuit.

The series parallel version allows two motors to operate in either low speed/high torque or high speed/low torque mode. Spool can be shifted manually or by pilot.

Feroy valves are in use on directional drilling equipment, augers, winches, and mobile equipment attachments.

Feroy Co. Inc. Auburn, WA www.feroy.com

For additional information contact us at sales@fluidynefp.com or visit www.fluidynefp.com

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Product spotlight ////

Special Ad Section

H6 Heavy Duty Cylinder

MOLDED RUBBER PRODUCTS ARR-M1003

Yates Industries H6 Heavy Duty Cylinder is rated for 3000  The PSI and features 1½ to 20” bores standard, 22 different mounting

Parts, Gasket, Seals and O'rings for  Elastomeric/Rubber Aerospace, Industry, Commercial Aftermarket, Military and OEM

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.

Yates Industries 23050 Industrial Dr. E. St. Clair Shores, MI 48080 586-778-7680 www.yatesind.com

• Injection Molding • Transfer & Compression Molding • Rubber-to-Metal Bonding

R & R Rubber Molding Inc. 2444 Loma Ave. South El Monte, CA 91733 Tel. 626-575-8105 Fax. 626-575-3756 www.rrrubber.com

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450 Hz Servo Valves 2 ms Response Time

ALA IndustrIes LImIted tel. 877-419-8536

Fax. 219-477-4194 Web. www.yuken.org Circle 149

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ARR-M1003 QUALITY CERTIFIED

Special Ad Section

Industrial Specialties Mfg. offers a wide variety of filters.

Our Serviceable In-Line Filter has a clear housing that makes it easy to see when your filter cartridge needs to be replaced.

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For many applications - water, air, inks and cleaning solutions, use our large In-Line Filter. 1/4” to 1/2” port configurations.

Need a Fuel Filter? Try our precision in-line fuel filters with clear housing.

See our online catalog: www.industrialspec.com

Industrial Specialties Mfg. 4091 S. Eliot St. Englewood, CO 80110 800-781-8487

TORQTITE Adjustable Torque Wrenches new adjustable open-end torque wrenches  Flaretite’s allow all tube and hose ends to be precisely tightened to their correct torque recommendations. These new wrenches fill a void across all industries where fitting connections are used. Developed to compliment Flaretite’s patented flared seals for 30, 37, and 45 degree flared fittings, these new wrenches are used by quality conscious mechanics in hydraulics, pneumatics, pharmaceutical, chemical, medical and environmental industries.

Torqtite wrench benefits: • Adjustable torque settings from 10 - 420 Nm (8 – 310 lb-ft) • Adjustable Hex size (jaw opening) from 7/16" thru 3" • Low profile, reversible, spanner design • Precision quality design with +/- 4% accuracy • Supplied with torque rating tables for most common fittings For more information contact:

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Flaretite Inc. Fenton, MI, USA • Ph: 810-750-4140 www.flaretite.com

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Q& A

Executive profile

Kenneth can be reached at kenjdulinski@eaton.com.

Kenneth Dulinski Profile Data: Kenneth Dulinski, AI, AJPP, AJPPCC, CC, ECS, HS, IHM, IHT, MHM, MHT, MIH, MMH, is a senior technology instructor at Eaton’s Hydraulic Training Services Group. He presents classes in basic industrial hydraulics, mobile hydraulics, troubleshooting, electrohydraulics, circuit design, cartridge valves, and advanced courses that use new advanced control electronics. He works with other instructors to improve existing courses and to write new courses as needed, and he also designs training simulators to help colleges and universities improve hydraulic training classes. He is a member of the 2012 International Fluid Power Society Board of Directors.

When and where did your career in the fluid power industry begin?

I started my career as an electronic technician and computer programmer in 1981 working on consumer, instrumentation, marine, and industrial electronics and doing the programming for many of the controls for machines. My standing orders at three separate companies were, “Don’t come back until it is fixed.” My bosses did not care if the problem was electronic, hydraulic, or mechanical. So for 16 years, I repaired machines in the field and worked on many hydraulic and electrohydraulic systems with a variety of problems. I also designed and built testing simulators that would fully exercise the functionality of a circuit board that was sent in for repair before returning it to the customer.

I began teaching electronics in September 1988 at Macomb Community College where I met a full-time professor, Al Manore, who taught me about the theory of the hydraulics I was encountering out in the factories. He later became my mentor.

In 2000, I accepted a teaching position at Eaton Hydraulics in Southfield, Mich., at what was the Vickers hydraulic training school. I was hired specifically to update and teach the electrohydraulics I and II, proportional valves, and servo valves courses.

Which would you rather have in your lab?

Designed with a hydrostatic drive for the exclusive purpose of teaching students everything about hydrostatic drives safely

Designed with a hydrostatic drive for the exclusive purpose of moving material

Model MF500E-HT-TSE

WARNING:

Using a skid-steer type loader to teach hydrostatic drives can expose students to risk of severe injury or death Circle 157

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www.fpti.org

A month after I joined Eaton, I passed the Hydraulic Specialist exam, and I continued to learn all of the courses offered at the training center. I continued to use the IFPS certifications as part of each year’s goals as they demonstrate improved proficiency in hydraulics. My career moved forward very quickly through the use of IFPS certifications.

What is the most memorable moment in your fluid power career, and what did it teach you?

I taught a two-week industrial hydraulics class in a factory in the Houston, Tex., area that had been experiencing high numbers of failures in their hydraulic equipment and had astronomical yearly costs for maintenance.

It was extremely rewarding to see the fast improvement of the millwrights’ skills as we identified 40 individual problems in their facility and solved 20 of them while I was there. They were able to fix the remaining problems by the end of the year, which saved many thousands of dollars a year in maintenance costs.

I learned that education of our customers in the proper practices for hydraulics would greatly improve the performance of their machines and personnel.

Just because they have always done something a certain way does not mean it is the best, most efficient way. There have been many rewarding experiences since then as I continue to help people improve their fluid power skills.

close attention to the education of their employees, including certifications that demonstrate proficiency in those areas. I highly recommend membership and certifications to anyone interested in a fluid power career. It will open doors to employment, as well as provide a vehicle for advancement.

IFPS certification in a specific timeframe and passing the test demonstrates proficiency to an employer. I have advanced more quickly as a result of the various IFPS certifications I have passed.

What have you personally gained by being a part of IFPS?

The fastest growing area of hydraulics is in mobile applications through the use of cartridge valves and electrohydraulic controls for these valves to achieve better control and more automation than ever before.

The incorporation of electronic controls into various valves has also improved industrial applications.

Eaton has a well-established program that allows our supervisors to assess if we have achieved the goals and development needs throughout the year, which leads to merit increases. Setting a goal to pass a given

Where do you see the fluid power industry heading in the next 10 years?

What do you feel is the most important achievement in the fluid power industry?

The greatest achievement of hydraulics has been its flexibility as thousands of applications have been created and new ones continuously come out, even though the base theory has not changed in many years. Also, the incorporation of new electronic control technology into valves that still work as they have for more than 100 years allows for greater performance.

How and why did you get involved in the IFPS?

Membership in IFPS, as well as certification as a Hydraulic Specialist, was a requirement for all instructors in the training department. Each person has nine months to complete that certification. My mentor, Al, taught me everything I needed to prepare for the IFPS Hydraulic Specialist exam, which I passed 30 days after I was hired. The IFPS certifications that I continued to take over the next five to seven years led to considerable advancement in my career at Eaton. I currently hold every hydraulic certification that the IFPS offers, including Accredited Instructor. I was involved in Chapter 1 (Detroit) of IFPS, which introduced me to a large number of very experienced people in the industry.

In 2007, I began helping at the national level for IFPS as they were writing a new Electronics Controls Specialist certification, which led to my attending more annual IFPS meetings. I was voted to the IFPS Board of Directors in September 2010, and in that role, I hope to continue promoting fluid power everywhere I can.

Relieve Hydraulic Pressure, Online Introducing HydraulicFacts.com: the world’s first hydraulically driven website designed to relieve the pressures of your job through the transmission of hydraulic fluid and system knowledge. Visit today for news and education on hydraulic trends delivered with fluidity and precision, 24/7.

Register today for updates on

HydraulicFacts.com

The Authority On Hydraulic Fluids & Systems

www.lubrizol.com

Why do you feel the IFPS is important?

© 2011 All rights reserved.

The certifications offered by the IFPS are the “street creds” for anyone who is entering the field of hydraulics and pneumatics. Employers pay very

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April 30 – May 3, 2012 Reliant Park, Houston, TX

T

he 2012 Offshore Technology Conference (OTC) will showcase stateof-the-art technology for offshore drilling, exploration, production, and environmental protection. Attendees will include engineers, technicians, executives, operators, scientists, and managers from more than 110 countries and all fields in the offshore E&P industry.

The 2012

Technical Program The OTC 2012 technical program will cover a wide range of topics related to offshore energy and mining resources. OTC offers key insights by industry leaders; emerging technologies; major projects; health, safety, and environment (HSE); and the changing regulatory environment.

Some highlights of the 2012 program include the following:

Offshore

Technology Conference

• Keynote Talks by Industry Leaders

This year, OTC will have a series of presentations by major IOCs, NOCs, and independent operators who will present their views on future industry directions, operational integrity, and risk management. It will include presentations by senior executives of Total, Exxon Mobil, Shell, CNOOC, and ADNOC.

Don’t Let a Little Leak Turn Into a Catastrophe!

Most hydraulic systems operate under extremely high pressure. So leaks can not only lead to equipment breakdown and production delays, but serious personal injury as well. Fortunately, there’s the Spectroline® OPK-341 Leak Detection Kit. It’s the most effective, efficient and safest method for finding leaks in hydraulic and oil-based industrial systems. And best of all, it finds these leaks long before disaster strikes!

Kit includes: • OPTIMAX™ 3000 super-high intensity cordless, rechargeable blue light LED leak detection flashlight • 16 oz twin-neck bottle of patented OIL-GLO™ 44 concentrated fluorescent dye for synthetic and petroleum-based oils and hydraulic fluids • 8 oz spray bottle of GLO-AWAY™ dye cleaner • Smart AC and DC chargers, fluorescenceenhancing glasses and a rugged carrying case.

ISO 9001:2008 CERTIFIED COMPANY

To learn more, call 1-800-274-8888 or visit: www.spectroline.com Circle 153

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• Post-Spill Deepwater: Gulf of Mexico and Beyond

Attendees will have several opportunities to hear the opinions of industry experts regarding the aftermath of the Macondo oil spill. Martin Vos of Shell will give a luncheon talk on “Follow the Risk: Process Safety Developments in Shell Deepwater Wells.” Other events include a technical session on “Enhancing Industry Spill Response Capabilities” and two panel discussions on “Risk Management Strategies for Deepwater Exploration and Development” and “Improving Operational Integrity in Offshore Energy Operations: A Global Perspective.”

• Major Projects and the Management of Large Projects

Major project presentations will include Jubilee (Tullow), Marlim (Petrobras), Who Dat (LLOG), Pazflor (Total), and Nikaitchuq (Eni).

In addition, Y.L. Darricarere, CEO of Total E&P, will discuss the achievements and prospects in West Africa.

New Topics Introduced OTC remains at the forefront of technology. OTC 2012 will present new applications and solutions for the following topics: • New standards for jackups and platforms • Global LNG • Innovative FPSO and offshore offloading solutions • Drilling over 15,000 psi • Deepwater cementing

Continuing Advancements Over the past several years, OTC has regularly presented some topics because the technology continues to improve and innovations abound. The topics below will highlight these continuing advancements: • Deepwater moorings • Drilling and well completions • Flow assurance • Process safety • Geotechnics and soil mechanics • Pipelines • Metocean • Ocean mining • Flexible pipe • Inspection and maintenance

Alternative Energy and Related Topics OTC 2012 will have technical sessions that highlight new developments in offshore wind energy and local power generation for offshore facilities. A panel will discuss alternative energy sources.

For more information, contact: Offshore Technology Conference Phone: +1.972.952.9494 Email: service@otcnet.org Web: www.otcnet.org

product review Biodegradable Hydraulic Fluid Terresolve Technologies

able hydraulic fluid that is based on biodegradable, lowThe EnviroLogic 115 is an ISO 15 grade readily biodegrad-

temperature base oil technologies and is a direct replacement for synthetic-based arctic hydraulic fluids. It is designed to withstand a broad range of temperatures in excess of 200ºF and in cold temperature to -60ºF. It is non-conductive and designed for use in equipment that may be operating near high voltage, which provides safety to the machinery and its crew. The fluid also offers high anti-wear performance, water separation, corrosion and rust protection, as well as low foaming and air release characteristics. www.terresolve.com

Software Plot Manager

High-Pressure Valves and Components

Delta Computer Systems, Inc.

Haskel International, Inc.



of standard BuTech high-pressure valves and component

Enhancements have been made to the Plot Manager feature of the company’s RMCTools software for the RMC70 one-axis and two-axis, as well as the RMC150 multi-axis motion controllers. The plot manager facilitates tuning and optimizing of machines by displaying graphs of target and actual values of motion axis position, velocity, acceleration, pressure, force, and other parameters over time. With the enhanced feature, plots open within the RMCTools environment, enabling a smoother development workflow. The interface has been simplified, making it easier to produce and inspect motion plots. Users can zoom in or out with the mouse wheel in both capturedplot mode and real-time trend mode. For traceability, reporting, and comparison needs, plots can be saved or exported in different file types for use in program such as Microsoft Excel. www.deltamotion.com

A new e-catalog includes the company’s complete selection

products. Product selection wizards and parametric search capabilities enable users to easily search for, configure, compare, and request quotes for high-pressure valves, fittings, and tubings. The navigation menu walks users through a selection process using formula-assisted parameter selection, full/partial product number, or description/keyword. It also includes side-by-side comparison functionality, downloadable product details, and an RFQ chart. www.butechvalvecatalog.haskel.com

DO NO UB "A W I LE P A" N B UM & O P "A TH S "

Piranhaflex™ 100R18 Thermoplastic Hydraulic Hose New! Piranhaflex™ 100R18, PF427 Series Hydraulic Hose: • Ideal for general purpose high pressure hydraulic applications with a constant working pressure of 3,000 psi for each available ID size 1/4”, 3/8” and 1/2”.

• Hose is commonly used in industrial hydraulic construction, material handling and agricultural equipment.

Piranhaflex™ 100R18, PF427NC Series Hydraulic Hose: • Has an orange, non-pin pricked cover, ideal for use in applications where a non-conductive, high pressure hydraulic hose is required.

• Typical applications include: hydraulic tools, lubrication lines and man lifts.

B Flange Pumps Now In Stock

www.kuriyama.com Circle 154

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Hydraulic Data Logger

product review

Webtec Products Ltd./Webster Instruments

is available in three models with the ability to The HPM6000 series hydraulic data logger

High-Temperature Accelerometers Meggitt Sensing Systems

 cally sealed, high-temperature piezoelectric The Endevco® Model 6240M10 is a hermeti-

charge output accelerometer with continuous operation to 649ºC (1400ºF). It is suitable for high-temperature environments such as aircraft and ground gas turbine engine vibration monitoring, as well as exhaust and compression systems and high-temperature machinery and equipment. It is offered with a high sensitivity of 5 pC/g for low-level vibration analysis. Electric connection is achieved via integral hardline triaxial cable, terminating in a 10-32 receptacle that is temperature rated to 260ºC (500ºF). As a self-generating device, the accelerometer requires no external power source for operation. The use of a charge amplifier or remote charge converter that can accept a 100-kΩ source resistance is required. www.meggittsensingsystems.com

simultaneously measure up to 48 channels, e.g. hydraulic flow, pressure, temperature, and shaft speed. These include 36 Intelligent Digital (ID/ CAN) channels, 12 Sensor Recognition (SR) channels, four auxiliary analog channels, plus one digital trigger. The rugged housing is rated to IP64, includes expandable memory via USB/SD card, fast on-board processing power, a 5.7" color display, and a host of different ways to display and analyze the data including numeric, bar graphs, line graph, and dial.

For ultra-high-speed applications, two of the analog inputs can be logged every 0.1 ms, or for condition monitoring applications, data can be recorded just once every 24 hours, with many options in between.

It can store over a billion data points. www.webster-inst.com

In-Line Flow Sensor Thomas Products Ltd.

 monitoring insufficient or excessive flow rates Model 1100 is an in-line flow sensor used for

For questions regarding this press release please contact Mike Thomas on 800-932-8378 or email mgt@webster-inst.com

of liquids. A magnet-equipped shuttle is displaced at the proper calibrated flow of liquid to actuate a SPDT hermetically sealed reed switch within the stem. The unit is available with factory-fixed flow settings of 0.4 gpm to 100 gpm in water or custom flow settings in oil. Other models are available with adjusting vanes for adjusting the set points in the field. Standard process connections range from ¾" to 3" NPT, and optional silver braze or socket weld ports are available. The sensor has passed testing for accelerated life, salt spray, shock, and vibration.

Maximum pressure rating is 1,200 psi @ 100ºF. Contact: 860-621-9101

Windows™ is a trademark of the Microsoft Corporation HPM6000-PR-USA-2714.pdf

Support and Service You Can Count On

2/2

Get on-call motion control support and service from the leader in servovalve technology, Woodward. Call tollfree (888) 659-4229 for application assistance, technical guidance, and innovative solutions you can count on. Let us assist with planning, design, development and implementation of your biggest ideas.

• Servovalves and Actuators for Every Application • Hydraulic and/or Pneumatic Models • Fast, Linear Dynamic Response • Rugged and Dependable – Shock, Vibration and Thermal Rated • Backed by the Support and Service you Deserve

Trust Woodward for all your motion control requirements, where service is as tangible as our American made products. Depend on it.

Take Control with Woodward

25200 W. Rye Canyon Road, Santa Clarita, CA 91355 (888) 659-4229 www.r-ddv.com

FPJWoodwardPhoneRev.indd 1

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2/28/12 1:28 PM

An Obligation To Safety Safety

by Carl Potter, CSP, and Deb Potter, Ph.D. What is the Obligation?

Organizations have an obligation to make sure they do not injure employees while in pursuit of profit. Likewise, employees are obligated to do everything they can to make sure they do not get hurt, create a work environment where others do not get hurt, and participate in the safety process. The opposite of these actions is to be part of the problem. There is no middle ground. You are either part of the solution, or you are part of the problem. Management Consultant Price Pritchett said, “The factory of the future will have two employees: a security guard and a watch dog. The guard is there to feed and water the dog, and the dog is there to bite the guard if he tries to touch the machines.” Workplaces are full of inherent risks for injury, but the intention is that apparent risks have a consequent mitigation.

The Logical Path to Mitigation

For an employer to mitigate risk, first the hazards must be recognized. Although that sounds simple, decades of experience clearly demonstrate that people see what they want to see. In high-risk industries, this applies to both employees and employers. During a walk-through at a plant prior to conducting our work, it is usually apparent that employees, supervisors, managers, and owners tend to overlook obvious hazards that can cause serious injury.

“Wow! How did we miss that on our inspections?”

is a common statement heard during our walkthroughs. Interestingly, this individual will then walk by the hazard without correcting or guarding it. It is not unusual to find that this person still has a high expectation for employees and supervisors to make a demonstrated commitment to safety. Before we get too far into the walk-through, however, our question becomes, “So why are you leaving this in the same condition?” There is a gap between observation and mitigation that we must overcome.

To handle the day-in and day-out hazards that show up in the workplace, the organization must have a process much like the one OSHA uses after an inspection to ensure that cited (unsafe) conditions are taken care of within a set amount of time. This process must be one where every recognized workplace hazard is corrected and documented. Further, the safety management process (SMP) should include a root cause analysis to determine the source of the hazard. In the best SMP, there will be a constant mechanism for improving the situation. OSHA supports this type of process through ANSI Z10 and the Voluntary Protection Program. One of the key factors of the process is to conduct a Formal Hazard Assessment (FHA).

Making the Effort to Identify

Here’s why such a specific, validated hazard assessment is an essential part of a SMP. Imagine building a

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Focus

fence around your entire plant. Whether you work for a manufacturer, in the service industry, or in a laboratory, the fence (even if it is imaginary) defines the boundary or scope of where to look for hazards. Once the assessment is completed, you can begin a systematic process to evaluate the hazards identified for the risk level and in turn make conscious decisions to mitigate the risk. The challenge is that many employees, supervisors, managers, and owners do not see the hazards. Conducting an FHA properly involves a significant number of people in the process to reduce the chances of missing hazards. The good news is that it is a black and white assessment, or as one might say, “The hazard exists, or it doesn’t.” Contrary to a perception survey, this type of survey is not a cause for alarm by employees; they become the providers of information about the hazards they face in doing their jobs.

The Result: Injury Prevention

The important concept to keep in mind with the FHA is that you now have specific information to use in preventing hazards from causing injury in your workplace. In addition, when OSHA comes knocking on your door, you will impress them with your process.

Contact Carl and deb potter at www.potterandassociates.com

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USE PROTECTION

By Daniel Pascoe

C

entralized vacuum systems, where a single vacuum generator is used (Fig. 1 and Fig. 2), more often than not utilize a single vacuum filter. These two systems offer the user the same lifting capacity, but Fig. 2 has a dual circuit. This is useful if handling one or two parts, depending on the machine operation, or parts of a different area footprint.

The filter shown in Fig. 5 is typical of this type of larger filter unit.

Fig. 3 shows a vacuum circuit where only two cups are being used per vacuum generator. This could be because the distance between each pair of cups is great and this system offers better control, or the cups are being used at different times. Even so, filtration should be used to prevent impurities from entering the vacuum generator. Fig. 6 shows a much more compact filter, which would typically connect directly to the inlet of each vacuum generator as shown.

In Fig. 4, there are two vacuum circuits sharing the same vacuum generator, however, in this application, the dust or debris could interfere with the vacuum control valve. Therefore, individual filters are installed on each vacuum cup.

The first way to achieve this would be a filter disk installed directly inside the vacuum cup, as shown in Fig. 7. This prevents all impurities from entering the vacuum system. This type of filter, although effective, does not offer the user indication of filter condition.

These types of filter â&#x20AC;&#x153;disksâ&#x20AC;? can clog quite easily but still visually appear to be clean. This could lead to unreliable operation of the machinery.

A potentially more suitable filter would be one that offers easy visual inspection and, of course, cleaning or element replacement. Fig. 8 shows this type of filter and its internal element. It can be seen easily by the operator, yet its small size can enable close installation to the actual vacuum cup.

Of course, central point filtration, as shown in Fig. 1, is the better solution, offering easy maintenance and inspection by the vacuum user. Because of the size (filtration surface area) of the filter elements used in central point filters, the time between element change and inspection periods is extended. This

26

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Fig 1

Fig 2

Fig 3

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Fig 4

Fig 8

type of filter system is often not the most suitable, however, particularly if components other than the vacuum pump require protection from debris in the application.

Sizing of vacuum filters should be based on the flow rate of each vacuum line. This is normally simple enough. The maximum flow rate of the vacuum generator is divided by the amount of vacuum lines.

If you are using 10 vacuum cups equally spaced from the vacuum generator, which has a maximum flow rate of 10 cfm, and each cup requires individual filtration, then you require a 1-cfm vacuum filter.

However, the user may oversize the filter based on the amount of dust or debris that is collected per cycle. Over-sizing a filter could, however, create cycle rate delay. All of the circuits shown require the vacuum generator to evacuate (create vacuum) in the filters and connected lines at the start of each cycle. The larger the filter, the longer it will take for the system to reach a suitable vacuum level.

However, in Fig. 4, if the filter were placed between the generator and control valves (a single filter), it would act as a reservoir and in fact offer a quicker cycle rate, because as soon as the solenoid valves actuate, immediate vacuum is available to the cups. This is based on positioning of the valve relative to the cups and so on, but if the valves are resistant to dirt in the application, this could offer the user a better solution than the typical systems illustrated.

Whichever circuit is selected, the fundamental task has been achieved: to protect precision and potentially expensive apparatus from being damaged by debris found in most vacuum-handling applications.

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.

We offer: CHoiCE

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

From left: Fig 5 & 6

Daniel Pascoe is General Manager of Vacuforce Inc., a 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. You can also find Vacuforce on Facebook and keep updated on Twitter.

Expert staff

For more information please visit www.RotorClip.com or call 1-800-557-6867

RoHs/ElV/DFARs Compliance Made in usA Pricing

Fig 7 Circle 160

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calendar of events

5-7

JUNE 4-6 3-day Electric Motor Drives Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

4-6 3-day Troubleshooting using Industrial Hydraulic Schematics Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

IFPS HS Certification Review Eden Prairie, MN Eaton Hydraulics Training Services Tel: 800-413-8809 www.eaton.com

5-8 Industrial Hydraulic Technology Calgary, AB, Canada Parker Hannifin Tel: 216-896-2495 www.parker.com/training

7-8 2-day Principles of Machining Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

11-13

11-15

14-15

3-day Hydraulic Fittings, Tube, Pipe, Hose and Leak Prevention Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

Troubleshooting Maumee, OH Eaton Hydraulics Training Services Tel: 800-413-8809 www.eaton.com

2-day Hydraulic Pump Analysis Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

11-15

11-15

15

3- or 5-day Level 2 Pneumatics - Advanced Maintenance and Repair Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

“Controller Area Network (CANBUS) for Electrohydraulic Systems” 1-hour Web Seminar (12:00 noon to 1:00 p.m.)

Presented by Ken Dulinski, CFPAI, Eaton Corporation Contact IFPS: 800-308-6005 www.ifps.org

Principles of Hydraulics BAVTS (PA) Bosch Rexroth Tel: 610-694-8407 www.boschrexroth-us.com

11-15 Mobile Hydraulics Eden Prairie, MN Eaton Hydraulics Training Services Tel: 800-413-8809 www.eaton.com

12-14 Pneumatic Circuitry Milton, ON, Canada Parker Hannifin Tel: 216-896-2495 www.parker.com/training

18-19 2-day Hydrostatic Closed Loop Systems 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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27-29

Maintenance, Repair and Set-up of Mobile Hydraulic Systems Canada (AB) Bosch Rexroth Canada Tel: 905-335-5511 www.boschrexroth.ca

3-day Troubleshooting Mobile Equipment using Hydraulic Schematics Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

18-22 Maintenance, Repair and Set-up of Industrial Hydraulic Systems BAVTS (PA) Bosch Rexroth Tel: 610-694-8407 www.boschrexroth-us.com

18-22 5-day Power Distribution Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

19-20 Introduction to Electrohydraulics Elyria, OH Parker Hannifin Tel: 216-896-2495 www.parker.com/training

20-22 3-day AC Power and NEC Codes Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

25-26 2-day Troubleshooting Mobile Hydraulic Systems Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

25-27 3-day Variable Frequency Drives Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

25-29 Design Considerations for Industrial Hydraulic Systems BAVTS (PA) Bosch Rexroth Tel: 610-694-8407 www.boschrexroth-us.com

28 1-day Intro to Mobile Electric with Multi-Meters Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

JULY 9-10 2-day Introduction to Pneumatics Concepts and Components Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

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9-20 Industrial Hydraulics Maumee, OH Eaton Hydraulics Training Services Tel: 800-413-8809 www.eaton.com

10-11 CC Certification Review and Testing Maumee, OH Eaton Corporation Contact IFPS: 800-308-6005 www.ifsp.org

10-13 Mobile Hydraulic Technology Calgary, AB, Canada Parker Hannifin Tel: 216-896-2495 www.parker.com/training

10-13 HS Certification Review and Testing Marysville, OH ERHCO, Inc./IFPS Contact IFPS: 800-308-6005 www.ifps.org

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Web ace l p t e k r a M

d Section Special A

www.argo-hytos.com

www.ahx1.com

Argo-Hytos, Inc.

Attica Hydraulic Exchange Corp.

ARGO-HYTOS manufactures sophisticated filter solutions, mainly applied in hydraulic and lubrication systems as well as in transmissions. The range of solutions that have been implemented extend from stationary industrial plants to mobile applications.

Contact us at: ARGO-Hytos, Inc. P.O. Box 28 • Bowling Green OH, 43402 Phone 419.353.6070 • Fax 419.354.3496 info.us@argo-hytos.com www.argo-hytos.com

Attica’s capability to support the fluid power user base market is well known. “Under promise and over deliver” has always been Attica’s religion. Attica has the strong commitment to further support customer’s needs with even more vigor and quality products.

Look for Attica’s “Benchmark” new product line such as Vickers V10/V20 Pumps, MHT Motors, and Rexroth A10V Pumps, etc...

Call 800-422-4279 or visit our web site for more details.

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www.clippard.com

www.dynamicfc.com

www.expresseal.com

Clippard Instrument Lab., Inc.

Dynamic Fluid Components, Inc.

ExpresSeal

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 201

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: r NEW ou 1-800-988-1276 isit Site v e eb dynamic@dynamicfc.com 202 as

ExpresSeal can solve your sealing problems fast.

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With a broad range of experience in every industry, ExpresSeal engineers can assist you at every stage of your sealing application.

ExpresSeal.com is updated – with expanded profiles, more materials available, standard machined profiles, custom manufacturing capabilities and prototype expertise, and more. Guaranteed quality assurance and full documentation are available.

ExpresSeal-the fastest way to get the seal you need.

204 Cemetery Road • Lancaster, New York 14086 1-800-446-4773 • exsales@expresseal.com

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Special Ad Section

www.fluidynefp.com

www.kuriyama.com

www.laman.com

FluiDyne Fluid Power

Kuriyama of America, Inc.

La-Man Corporation

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.

586.296.7200 sales@fluidynefp.com www.fluidynefp.com

hydraulic hose is the ideal hose for medium pressure hydraulic lines commonly used on Fork Trucks. Series PFP354 has a seamless nylon inner tube and braided reinforcement with a black abrasion resistant / special low friction polyurethane pin pricked cover.

The “Plus” refers to the special low friction cover which helps in eliminating sheave/pulley hose routing problems and extends hose service life.

360 E. State Parkway • Schaumburg, IL 60173 (847) 755-0360 • Fax: (847) 885-0996 www.kuriyama.com • sales@kuriyama.com

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La-Man Corporation PO BOX 328 Mazeppa, MN 55956 800-348-2463

206

www.mainmfg.com

www.oilrite.com

www.rotorclip.com

Main Manufacturing Products

Oil-Rite Corporation

Rotor Clip Company, Inc.

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

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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.

207

Oil-Rite lubrication equipment is now easier to research and select. A re-designed website allows for quicker product searches and more detailed results for over 2,500 standard line items. Easy navigation to enhanced photo images and expanded product descriptions. Frequent updates to featured product, lubrication tips, and case studies.

Oil-Rite Corporation PO Box 1207 • Manitowoc, WI 54221-1207 Telephone: (920) 682-6173 E-mail: sales@oilrite.com www.oilrite.com

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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.

Rotor Clip Company, Inc. 187 Davidson Avenue Somerset, NJ 08873 1.800.557.6867

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Web marketplace www.woodward.com

www.yatesind.com

www.yuken-usa.com

Woodward HRT

Yates Industries

Yuken/ALA Industries

At Woodward HRT, we've earned an excellent reputation for our sophisticated motion control systems and components featuring compact designs, application flexibility, reliability and affordability. We offer fully-integrated systems including electronics and quality components.

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

Contact Us: 25200 West Rye Canyon Road Santa Clarita, CA 91355 Tel: (661) 294-6000 210

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Developing Innovative Hydraulic Pumps and Valves. ALA Industries is the Yuken Master Distributor in North America Visit our website to find out about our products or to find a distributor close to you. We have distributors across North America. Our website offers product literature and information on Yuken’s certifications.

We feature a “Members” section for checking inventory, reviewing service manuals, as well as downloadable and interactive pricing. Call or email us. The staff at ALA Industries is always willing to serve you to meet your hydraulic needs.

ALA Industries Limited 1150 Southpoint Drive, Suite D • Valparaiso, IN 46385 Phone (877) 419-8536 212 email: alaindustries@yuken-usa.com

IFPS – International Fluid Power Society

association news

2012 / 2013 Dates Visit www.ifps.org for registration information.

Meetings and Conferences IFPS 2012 Annual Meeting September 26–29, 2012 Embassy Suites South Anaheim, CA

2013 IFPS 2013 Annual Meeting September 25 - 28, 2013 Location TBD

Certification Review Training Connector & Conductor (CC) Review w/ Job Performance Test CC Certification review and testing offered through Eaton Corporation July 10-11, 2012 - Maumee, OH July 24-25, 2012 - Eden Prairie, MN CC Certification review and testing offered through Pirtek USA Rockledge, FL July 19, 2012 Job Performance and written test: July 20, 2012 October 18, 2012 Job Performance and written test: October 19, 2012 CC Certification review and testing offered through CFC-Solar, Inc. Fairfield, OH Review: September 5-7, 2012 Job Performance test: September 6, 2012 Written test: September 7, 2012 Hydraulic Specialist (HS) Certification Review and Test HS Certification review and testing offered through Eaton Corporation December 11-13, 2012 Eden Prairie, MN HS Certification review and testing offered through ERHCO, Inc. Marysville, OH Review: July 10-12, 2012 Written test: July 13, 2012

HS Certification review and testing offered through CFC-Solar, Inc. Fairfield, OH Review: August 21-23, 2012 Written test: August 23, 2012 HS and PS Certification review and testing offered through CFC-Solar, Inc. Live Distance Learning October 2012 Mobile Hydraulic Mechanic (MHM) Certification Review and Test MHM Certification review and testing offered through ERHCO, Inc. Marysville, OH Review: October 30-November 1, 2012 Written and Job Performance test: November 2, 2012 MHM Certification review and testing offered through CFC-Solar, Inc. Fairfield, OH Review: August 1-2, 2012 Written and Job Performance test: August 3, 2012 Industrial Hydraulic Mechanic (IHM) Certification Review and Test IHM Certification review and testing offered through CFC-Solar, Inc. Written and Job Performance tests: September 18-19, 2012 Written and Job Performance tests: September 20, 2012 Electronic Controls Specialist (ECS) Review and Test ECS Certification review and testing offered through CFC-Solar, Inc. Review: October 8-11, 2012 Written test: October 11, 2012 Job Performance Review With Test (Mechanic & Technician) Job Performance Review (Hands-on only) offered through IFPS Chapter 49 Orlando, FL Review: May 17-19, 2012 Job Performance Test: May 19, 2012 Review: October 18-19, 2012 Job Performance Test: October 20, 2012

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) CFPIHT Certified Fluid Power Industrial Hydraulic Technician

CFPMM Certified Fluid Power Master Mechanic (Must obtain CFPIHM, CFPMHM, & CFPPM) CFPIHM Certified Fluid Power Industrial Hydraulic Mechanic CFPMHM Certified Fluid Power Mobile Hydraulic Mechanic CFPPM Certified Fluid Power Pneumatic Mechanic

www.ifps.org | www.fluidpowerjournal.com

Web Seminars “Controller Area Network (CANBUS) For Electrohydraulic Systems” 1-hour Web seminar June 15, 2012, 12:00 noon – 1:00 p.m. Eastern Presented by: Ken Dulinski, CFPAI, Eaton Corporation “Pneumatic Filtration” 1-hour Web seminar August 9, 2012, 12:00 noon – 1:00 p.m. Eastern Presented by: Bob McGray, CPFAI, SMC Corporation of America “Pumps, Controls & Where To Set The Relief” 1-hour Web seminar October 11, 2012, 12:00 noon – 1:00 p.m. Eastern Presented by: Bill Hotchkiss, CFPAI, SunSource “Accumulator In Hydraulic System” 1-hour Web seminar December 5, 2012, 12:00 noon – 1:00 p.m. Eastern Presented by: Jim Lane, CFPAI, Motion Industries, Inc.

IFPS Job Performance Proctor Workshops IFPS Job Performance Proctor Workshop August 8, 2012 - CFC-Solar, Inc., Cincinnati, Ohio IFPS Connector and Conductor Job Performance Proctor Workshop August 9, 2012 - CFC-Solar, Inc., Cincinnati, Ohio

IFPS Accredited Instructor Workshops IFPS Accredited Instructor Training Workshop August 6-7, 2012 - CFC-Solar, Inc., Cincinnati, Ohio

CFPMIH Certified Fluid Power Master of Industrial Hydraulics (Must obtain CFPIHM, CFPIHT, & CFPCC) CFPMMH Certified Fluid Power Master of Mobile Hydraulics (Must obtain CFPMHM, CFPMHT, & CFPCC) CFPMIP Certified Fluid Power Master of Industrial Pneumatics (Must obtain CFPPM, CFPPT, & CFPCC) CFPCC Certified Fluid Power Connector & Conductor CFPSD Fluid Power System Designer

NEW!

Certification Levels Available

CFPAI Certified Fluid Power Accredited Instructor

Job Performance Review (hands-on only) offered through CFC-Solar, Inc. Fairfield, OH Review: July 30-31, 2012 Job Performance Test: July 31, 2012 Review: October 4-5, 2012 Job Performance Test: October 5, 2012 New - Live Distance Learning Job Performance Station Reviews E-mail CFC-Solar, Inc. for information.

may/june 2012

33

association news

IFPS – International Fluid Power Society

IFPS Newly Certified Professionals Mohammad Abbasi, S, PS TTS Energy Canada Ltd.

Philip Edler, HS Fluid Power House, Inc.

H. Sam Kaye, IHM, MHM Ensign Energy Services

Dennis McIntyre, MHM Altec Industries, Inc.

Adam Schmitt, PS Hennepin Technical College

Christopher Alto, PS

Pete Esposito, HS Quality Hydraulics & Pneumatics Inc.

Weston Keeler, HS Womack Machine Supply Co.

Lia Mirth, HS Hydraquip Corporation

Michael Schwichtenberg, PS

Yves Fournier, E Hydraquip Corporation

Patrick Kern, PS Muncie Power Products, Inc.

Allen Moore, MHM Brake Supply Co., Inc.

Stefanie Freeman, HS Womack Machine Supply Co.

Daniel Kitner, HS

Ken Moss, HS Quality Hydraulics & Pneumatics Inc.

Matt Arndt, HS Materion Robert Banaszak, MHM Pirtek O’Hare Bryan Biddy, HS Womack Machine Supply Co.

Scott Fullmer, HS Womack Machine Supply Co.

Noah Bradford, HS David Brickey, PE, E Frontier Kemper Constructors, Inc. Mike Bruneau, IHM Alberta News Print Company Tyler Bryan, HS Womack Machine Supply Co. William Calloway, MHT Altec Industries, Inc. Bradley Canon, HS Womack Machine Supply Co. Roy Carter, MHM American Electric Power Co. Anthony Cerda, MHM Altec Industries, Inc.

Christopher Fulmer, HS Womack Machine Supply Co. Jeremey Goodman, MHM Altec Industries, Inc. Michael Goodman, PS Chad Grimmer, HS Aaron Grover, PS Donald Gudenburr, CC Pirtek - Monroeville Robert Harris, HS Sauer-Danfoss Company Matthew Hawkins, MHM Altec Industries, Inc.

Jonathon Kobal, HS The Fluid Power House Inc. Jonathan Kocks, HS Womack Machine Supply Co. John Kyburz, HS Womack Machine Supply Co.

Gil Moyers, MHM Pirtek USA Rick Murphy, HS Womack Machine Supply Co. Isaac Neu, PS

Matthew Ladd, HS Womack Machine Supply Co.

James Neuburger, HS Comatrol

Stephen Landis, PT Alcoa Mill Products, Inc.

Chad Nieman, HS Value Added Distributors

Luke Leblanc, HS Womack Machine Supply Co.

Gwyn O’Kane, MHM Pirtek USA

Matthew Leblanc, HS Womack Machine Supply Co.

Brandon Partridge, MHM Alabama Power Company

Chung Lee, S, HS

Lynn Pfeiffer, CC The Boeing Company

John Leshovsky, HS

Charles Plass, HS National Oilwell Varco

Chase Hayes, MHM Alabama Power Company

Matthew Long, HS Hydraquip Corporation

Vernon Hinnenkamp, HS

Chris Mabin, HS

Melissa Crandall, MHM Altec Industries, Inc.

Sean Pope, MHM American Electric Power Co.

Jake Hoium, PS

Kent Darnell, HS Womack Machine Supply Co.

James Hooper, MMH C.W.C.C./DCE

Kyle MacFarlane, HS The Fluid Power House Inc.

Jonathan Pries, CC The Boeing Company

Jacob Malm, S, HS

James Davis, HS J.V. Manufacturing, Inc.

Daniel Hunley, CC Pirtek Love Field

Greg Martin, HS Womack Machine Supply Co.

Joshua Ramey, MHM Altec Industries, Inc.

Mark DeCarufel, CC The Boeing Company

Josh Illick, PS Hennepin Technical College

Mike Maxhimer, IHT Schmid Mechanical

Scott Detjen, CC Pirtek South Holland

Jake Jensen, PS

Patrick McClure, MHM Alabama Power Company

Ronnie Chamberland, CC Beard Equipment Company

Is your software the complete solution for your distribution business?

Greg Johnson, HS All ERP software has the Jason McCrea, CC The Fluid Power House Inc. Joel Doyle, HS The Boeing Company Quality Hydraulics & Pneumatics basics to Inc. get the job done, Thad Karnitz, PS but only Epicor offers the complete set of toolssoftware in one distribution Is your the complete solution

Daniel Rice, HS Womack Machine Supply Co. Justin Rychlik, CC Pirtek O’Hare Alan Sanchez, HS Womack Machine Supply Co.

David Seifrid, S, HS Quality Hydraulics & Pneumatics Inc. William Shaw, MHM Altec Industries, Inc. David Spellerberg, PS Eric Sprunger, IHT Schmid Mechanical Earl Staley, II, HS Altec Industries, Inc. Jeff Stettler, HS Womack Machine Supply Co. William Stewart, MHM Altec Industries, Inc. David Stough, Jr., MHM American Electric Power Co. Jeffrey Sweet, CC The Boeing Company Gregory Thomas, MHM Alabama Power Company Jeremy Tracy, MHM Altec Industries, Inc. Laura Tripp, HS Womack Machine Supply Co. Christian Trivelli, CC The Boeing Company Dustin Truitt, HS Womack Machine Supply Co. Duane Van Dyke, HS Womack Machine Supply Co. Thomas VanderWilt, S, PS Oxbo International Corp.

Harvey Vazquez, MHM Altec Industries, Inc. Eric Volker, HS

Paul Saville, CC The Boeing Company

software solution. for your distribution business?

All ERP software has the basics to get the job done,

epicor.com/distribution but only Epicor offers the complete set of tools in one distribution software solution.

epicor.com/distribution Business Inspired™ Copyright © 2012 Epicor Software Corporation or a subsidiary or affiliate thereof. Epicor and the Epicor logo are registered trademarks of Epicor Software Corporation. All rights reserved.

Copyright © 2012 Epicor Software Corporation or a subsidiary or affiliate thereof. Epicor and the Epicor logo are registered trademarks of Epicor Software Corporation. All rights reserved.

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Is your software the complete

association news

IFPS – International Fluid Power Society

ee ti ng Re ca p IF PS 20 12 Sp ri ng M

S

t the IFPS 2012 ntly met in Florida to conduc fessional members who rece pro S) (IFP ’s iety sessions. These g Soc nin er plan Pow c tional Fluid tee meetings, and strategi pecial thanks to the Interna Directors meeting, commit of rd Boa the r stee s ber icated mem Spring Meeting. These ded with its mission. tion, including both in driving the IFPS forward al ent rum k presents in-depth informa inst individuals are er Essential Practices. The boo Pow id Flu k, or may not have boo his may sign who us, was available to k is intended for persons boo The l. vita so s rule Ray Hanley, CFPE/AI-Emerit e copy by visiting "why" that makes thes cient one. You may order a er applications as well as the een a good system and an ineffi the best rules for fluid pow betw ce eren diff the ne rmi nce but who need to dete fluid power technical experie www.ifps.org. ngs:

tee and Board Meeti

Outcome of Commit

be reviewed and updated. each certification manual will • Safety practice pages from s’ operations manual. be made to the IFPS chapter • Updates and revisions will IFPE 2014 will begin soon.

• Call for white papers for olarship applicants. d and awarded to FPEF sch • Scholarships were finalize Badge continues.

Fluid Power Boy Scout Merit ders.

• The development of the all hydraulic certification hol alert cards will be issued to • Hydraulic injury medical

sett, CFPAI, CFPS, CFPIHT E/AI-Emeritus, Tom Blan From left: Ray Hanley, CFP

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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: May 2012 Tuesday, 5/1 Thursday, 5/17

June 2012 Tuesday, 6/5 Thursday, 6/21

July 2012 Tuesday, 7/3 Thursday, 7/19

August 2012 Tuesday, 8/7 Thursday, 8/16

September 2012 Tuesday, 9/4 Thursday, 9/20

October 2012 Tuesday, 10/2 Thursday, 10/18

November 2012 Tuesday, 11/6 Thursday, 11/15

If you have any questions, please call IFPS Headquarters at 800-308-6005 or e-mail Connie Graham at cgraham@ifps.org.

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may/june 2012

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Schoolcraft College Livonia, MI Southwestern Michigan College Dowagiac, MI Washtenaw Community College Ann Arbor, MI MINNESOTA Minnesota State University, Mankato | Mankato, MN University of Minnesota - Twin Cities | Minneapolis, MN University of Minnesota Morris, MN MISSOURI Avila University Kansas City, MO Metropolitan Community College-Penn Valley Kansas City, MO Missouri Western State University | St.Joseph, MO

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NEBRASKA

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UTAH Brigham Young University Provo, UT

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NEW YORK Brooklyn College - CUNY Brooklyn, NY

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Marian University of Fond du Lac Fond du Lac, WI University of Wisconsin Oshkosh Oshkosh, WI University of Wisconsin-Milwaukee Milwaukee, WI UW-Green Bay Green Bay, WI WYOMING University of Wyoming Laramie, WY CANADA

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association news

NFPA – National Fluid Power Association

High School Students Take NFPA Fluid Power Challenge to New Level Some schools participate in “traditional” NFPA Fluid Power Challenge events and classroom activities, but some teachers break the mold and take fluid power to a new level.

That’s what happened at Franklin High School in Franklin, Wis., when the Tech Ed teacher there used the Fluid Power Challenge pneumatic arm kit in his Engineering Systems class.

The culminating fluid power design challenge had nine teams with three students on each. The goal of the activity was to create a team of students with proficiency in rotating, clamping, and lifting, using the classroom kit first before tackling a large design problem. Students used calipers and micrometers to reverse engineer and then draw their designs on Autodesk Inventor software.

To help classrooms in your area benefit from Fluid Power Challenge events and materials, contact Carrie Tatman Schwartz at 414-778-3347 or ctschwartz@nfpa.com.

NFPA’s 2012 Industry & Economic Outlook Conference August 20 – 22, 2012 | Oak Brook Hills Marriott Resort | 3500 Midwest Road Oak Brook, IL 60523 | 800-228-9290

Join the National Fluid Power Association (NFPA) at the 2012 Industry and Economic Outlook Conference, a day-and-a-half event with hard data and expert analysis for everyone involved with the fluid power industry, augmented this year with an opportunity to investigate emerging global markets.

This year’s Industry and Economic Outlook Conference will offer critical insight and opportunities in four major areas: Economics, Market Forecasts, Networking, and Emerging Global Markets.

Conference Highlights include: • Agricultural Machinery Forecast • Global Economics – An American Perspective Ann Duignan, J.P. Morgan Alan Beaulieu, Institute for Trend Research (ITR) • Heavy Truck Market Forecast • Fluid Power Industry Forecast Eric Starks, FTR Associates Jim Meil, Eaton Corp.

• Industrial Markets Overview • Customer Market Overview Dan Meckstroth, MAPI, Inc. Eli Lustgarten, ESL Consultants • Political Impact on the Economic Climate • Construction Machinery Forecast Jim VandeHei, Politico David Phillips, Off-Highway Research For more information, please contact Eric Armstrong at 414-778-3372 or e-mail earmstrong@nfpa.com.

Upcoming Events 2012 Industry and Economic Outlook Conference August 20-22, 2012 Oak Brook Hills Marriott Resort Oak Brook, IL Industrial Automation North America (IANA) September 10-15, 2012 McCormick Place, Chicago, IL AG CONNECT Expo 2013 January 29-31, 2013 Kansas City Convention Center Kansas City, MO

save the Date 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

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Supplying StainleSS CylinderS to the Food induStry For over 50 yearS All Threaded Construction Stainless Steel Cylinders

FPEF Congratulates Scholarship Recipients The Fluid Power Educational Foundation (FPEF) Board of Trustees would like to congratulate the following students who were awarded FPEF scholarships for the Spring 2012 semester: • Jeremy Sanches, Angelina College • Cole Joos, Hennepin Technical College – Eden Prairie Campus • John Woolridge, Hennepin Technical College – Eden Prairie Campus • Jake Jensen, Hennepin Technical College – Eden Prairie Campus Fall Semester 2012 FPEF scholarships (application deadline: June 15, 2012) are available to Key School students. Applicants are encouraged to obtain an application by visiting www.fpef.org or calling FPEF Headquarters at 856-424-8998.

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may/june 2012

39

E n e r g y Efficient Hydraulics Pneumatics conference

E

nergy loss can be determined by experimental means at steady

state conditions for many pneumatic

components and piping. The information is useful for circuit energy analysis, as well as design activity to reduce the energy loss. A method to measure energy loss is therefore necessary in order to determine if design improvements are successful.

40

may/june 2012

www.fluidpowerjournal.com | www.ifps.org

By John F. Berninger, Parker Hannifin Cor p.

T heoretical Basis Consider the schematic of a component or piping as shown in Fig. 1. Some components, like filters and valves, do not have a shaft output of work performed. Neither does piping. Others, like cylinders and motors, do have a shaft output of work performed, and air compressors have a shaft input of work.

In this paper, as an introduction to the topic, we will start with the simple case of no shaft work. In particular, examples of air flow through pipes and air flow through valves will be demonstrated.

Energy loss is experienced either in the form of heat dissipation, change of internal energy, or in the imbalance of flow characteristics across the schematic boundaries (e.g. pressure, temperature).

The several forms of energy are described in Table 1 in terms of a differential element of mass passing across the schematic boundaries.

The basic concept of an energy balance is:

1 In a typical energy system for a machine, heat is added to the system (a positive input factor). Since heat is not added in this case, an overall energy loss is included as a negative factor.

Substituting descriptions from Table 1 into Equation (1) yields:

Collecting common terms:

No Shaft Work

2 From the continuity equation: p2 T2 Fig. 1: Energy Schematic of a Component or Piping

Then the middle term in Equation (2) becomes:

p2 T2

A2 ρ 2

A2 v2 ρ 2

2

v2

2

3 Component Component or piping or piping

Energy Loss Energy Loss

Substituting (3) into (2) and reversing the negative signs on both sides:

Shaft work Shaft work Z2

p1 T1

p1 T1 A1 v1

A1

Rearranging and dividing by (dm): Z1

ρ

Z1

1

4

v1

ρ 1

Consider that the elevation change z2 – z1 is negligible and introduce enthalpy (h):

1

1

Table 1: Elements of Energy Table 1 – Elements of Energy

Table 1 – Elements of Energy Item Description English Units Item Description English Units 2(dm) Kinetic ½ v Kinetic ½ v2(dm) Table 1 – Elements of Energy energy

energy Description English Units KEItem Potential gz(dm) Kinetic gz(dm) Potential ½ v2(dm) energy

energy energy

Which becomes:

5

PE

From thermodynamics, the relationship between enthalpy and temperature for a perfect gas is: 6 Then:

7

Potential Internal Internal energy energy energy

Metric Units Metric Units

Metric Units

gz(dm) I(dm) I(dm)

IE

Flow pAv(dt) Flow Internal pAv(dt) I(dm) work work energy

From the equation for mass flow rate:

Flow work

pAv(dt)

Substituting this into (7):

8

www.ifps.org | www.fluidpowerjournal.com

may/june 2012

41

Z2

determ i n i n g e n e r g y lo s s i n p n e u m at ic co mponents & p ip ing Substituting the gas law into (8):

Fig. 2: Maximum Recommended Flow Through 100 ft. of Pipe

Thus, the energy loss of air passing through a component or piping without shaft work can be determined from characteristics readily measured.

If the flow area on inlet and outlet are the same (A1 = A2 = A), Equation (9) simplifies to:

10

Max. Flow - SCFM

9

English units check:

Inlet Pressure - PSIG

Fig. 3: Power Loss for Air Flowing in a Pipe at the Maximum Recommended Flow Rate Power Loss in 100 ft. of Pipe at Max. Recommended Flow

Power Loss - Watts

The energy loss is measured in ft.#f, per pound mass of flowing air.

Metric units check:

The energy loss is measured in Nm, per kilogram of flowing air.

En e rgy Loss in a Pi pe Header Consider a long pipe distributing air through a factory. How much is the frictional energy loss? The September/October 2010 issue of the Fluid Power Journal included an article describing how to determine the maximum recommended air flow through schedule 40 pipes. Development of the equations were included (with equation corrections published in the November/December 2010 issue, on page 4) and graphs described the recommended maximum flow based on the following assumptions:

Inlet Pressure - PSIG

1/8

1/4

3/8

1/2

3/4

1"

1 1/4

1 1/2

2"

% loss (ƞ)

10

10

8

7

6

5

4

4

4

P2 P

pp1

T1 T

2

1

1

2

1

A. Flow temperature = 68°F = 528ºR B. Pipe diameter = nominal for ASTM A-106, schedule 40 pipe, but in units of ft.

C. Horizontally oriented pipe (some cases of vertical pipe) D. Friction factor calculated from Colebrook Eq. using e = 0.00015 ft.

E. Pressure loss over the pipe length is a percentage of the inlet pressure as follows: Pipe size

Fig. 4: Test Circuit for Air Valve

T2 T 2

Table 2: Valve Flow Characteristics Table 2 – Valve Flow Characteristics

Valve Size

C

b

m

Cv

Scfm/psia Scfm/psia

(Reynolds numbers are all above 4,000; therefore, all flow is turbulent.)

The maximum recommended air flow for a 100-ft. length of pipe is shown in Fig. 2.

Considering the maximum flow rates from this description, the energy loss can be determined from Equation (10) as follows:

A

1/8

0.373

0.42 0.49 0.85

B

1/8

0.392

0.45 0.52 0.80

C

1/2

1.548

0.35 0.50 2.90

D

1/2

2.907

0.41 0.45 6.92

Also consider the case where the temperature of the air in the pipe at its beginning will be the same as at the end. This is a reasonable assumption for a long pipe at steady-state conditions, where the temperature of the flowing air is the same as that of the pipe environment. The case for temperature differences is also possible and can be developed later.

42

may/june 2012

www.fluidpowerjournal.com | www.ifps.org

By John F. Berninger, Parker Hannifin Cor p.

With this assumption:

T1 = T2 = T

and

∆T = 0.

11

Then the previous equation becomes:

In the development of the maximum recommended maximum flow equations, the pressure loss over the pipe length is defined as a percentage of the inlet pressure. That percentage is described in the table for assumption E above. Then p2 = (1 – ƞ)p1 and Equation (11) becomes:

12

55 psig

Power Loss Test Results

86 psig

125 psig

Note: Use color code for Figs. 5, 6, and 7 only.

1/8 port valve A 1/8 Port Valve A

Now, the power loss is the energy loss multiplied by the mass flow rate:

C = 0.37 scfm/psia C= 0.37 scfm/psia

14

sonic

The mass flow rate can be converted to a volumetric flow rate as follows: and Equation (13) becomes:

Nominal inlet press.

100

10

1 0

10

30

40

50

60

Flow rate - SCFM Flow rate ­ scfm

1/8 Port Valve B

C = 0.39 scfm/psia

Fig. 6

Substituting these into Equation (14) and expressing all terms with their appropriate units: English units:

20

Some of the constants for this equation: :stinupSubstituting these into equation (14) and expressing all terms with their appropriate units: et=a14.7 irporpsia ppa≈ r100 iehtkPa htiw smret ll a gnisserp(standard xe dna )atmospheric 41( noitauqpressure) e otni eseht gnitutitsbuS (absolute) 0 = 68˚F = 527.7˚R = 20˚C = 293.2˚K

(standard atmospheric temperature) T :stinu hsilgnE 0 English units: (gas constant for air) R = 53.3 ft #f /#m˚R = 286 Nm/kg˚K (area of the pipe inside diameter) A = π/4 di 1 Nm/s = 1 watt 550 ft #f /s = 745.7 watts; 1N = 1kg(1m/s2) F = ma; 1 #f = 1 #m (32.2 ft/s2);

Fig. 5

Power ­ watts

13

sonic

1000

Flow rate - SCFM

1/2 Port Valve C 1/2 Port Valve C

C = 1.55 scfm/psia

10000.0

stta watts w

R˚ ni ria gniwolf eht fo erutarepmet = T T = temperature of the flowing air in ˚R

sehcni ni epip eht fo retemaid edisni = id di = inside diameter of the pipe in inches

Nominal inlet press.

1000.0

100.0

Fig. 7

mfcs ni etar wolf dednemmocer mumixam = 0Q :erehW Where: Q0 = maximum recommended flow rate in scfm

15

(15)

sonic

sonic

Power ­ watts

)51(

10.0

1.0

Where: Q0 = maximum recommended flow rate in SCFM 0.1

aisp ni erusserp telni = 1p T = temperature p1 = inlet pressure in psia 0 of the flowing air in ˚R

di = inside diameter of the pipe in inches a u q e d e t c e r r o c e h t si si h T This is the corrected equation p1 = inlet pressure in PSIA :stinu cirteM Metric units: Metric units:

50

100

150

200

250

Flow rate - SCFM Flow Rate ­ scfm

1/2 Port Valve D 1/2 Port Valve D

C = 2.90 scfm/psia C= 2.90 scfm/psia

10000

sonic

1000

sonic

80 psig Fig. 8

Power ­ watts

Nominal inlet press.

100

120 psig

50 psig 10

16 )61(

100

150

200

250

300

350

400

Flow rate - SCFM Flow Rate ­ scfm

s r o r r e e h T . K O s a w n oi t a u q e si h T

flow

Where: Q 0 = maximum rate in dm !tuo dellecrecommended na c 3/s di = inside diameter of the pipe in mm

This equation was OK. The errors T = temperature

of the flowing air in ˚K (16) cancelled out! p1 = inlet pressure in kPa (absolute)

s/3md ni etar wolf dednemmocer mumix3a/s m = 0Q :erehW Where: Q0 = maximum recommended flow rate in dm

K˚ ni ria gniwolf eht fwww.ifps.org o erutarepm|etwww.fluidpowerjournal.com = T

T = temperature of the flowing air in ˚K

may/june 2012

43

determ i n i n g e n e r g y lo s s i n p n e u m at ic co mponents & p ip ing Using the flow rate from Fig. 2, Equation (15) gives the results as shown in Fig. 3.

The power loss appears to be low for the assumptions made.

En e rgy Loss Through a Valve Development of Equation (9) in the Theoretical Basis section is applicable to determine the energy loss of air flowing through a pneumatic valve. Four air valves were tested during October 2011 in the Michigan Parker lab as an initial experiment to determine what levels of energy loss might be observed. The following describes this experiment: Consider a valve assembled in a test circuit, using the new flow tube designs as described in ISO DIS 6358-1.2 (dated 2011-03-27). This is the improved test circuit that the ISO working group developed for measuring valve flow characteristics.

It can also be used for the energy loss measurement if a temperature sensor is added to the downstream side. Fig. 4 is a schematic of the test circuit.

Two of the tested valves were 1/8 ported, and two were 1/2 ported. Each of the pairs was a different design, but all valves were inline types. Thus, some comparison of energy loss could be observed between valves of the same port size.

Testing was conducted at a nominally constant inlet pressure at three different pressure levels. Flow was varied from zero to well into the sonic region and back to zero. This offered an opportunity to observe any hysteresis effect. The data collected was used to determine the ISO flow characteristics of the valves (plus the ANSI Cv), as well as the energy loss. Table 2 summarizes the valve flow characteristic results.

Figs. 5-8 show the results of testing for power loss in the four valves.

Data for these graphs are abridged to give a contiguous and smooth appearance in order to observe the trends. The increase of power loss with flow rate is accompanied with an increase of the pressure drop across the valve. When the sonic region is reached, flow rate stagnates but power loss increases substantially as the downstream pressure is decreased.

Valves A and B have similar flow capacities as demonstrated by their nearly equal value of the sonic conductance “C.” Their sonic boundary limit “b” is also very close. Consequently, it is not surprising that the power loss is almost the same.

Although valves C and D have the same port size, valve D has more flow capacity (about double) as seen by its higher “C” value. However, the sonic boundary limits “b” of the two valves are about the same. Consequently, the difference in power loss is influenced mostly by the “C” value. It is observed that for an equal amount of power loss, valve D will flow about twice as much air as valve C.

Conclusion These initial calculations and experiments demonstrate how an energy loss may be determined for pneumatic components and piping. If the principle described in the Theoretical Basis section was expanded to all components, an analysis of system energy consumption could be determined. This proposal should be reviewed by peers in the various ISO working groups and developed into ISO standards.

As described earlier, power loss is the energy loss multiplied by the mass flow rate:

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JULY

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11-12

17-20

23-27

2-day Intro to Mobile Fluid Power Concepts and Components Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

Electrohydraulic Feedback Systems Elyria, OH Parker Hannifin Tel: 216-896-2495 www.parker.com/training

EH Maintenance and Troubleshooting Maumee, OH Eaton Hydraulics Training Services Tel: 800-413-8809 www.eaton.com

11-13 3-day Level 1 PLC Fundamentals Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

IFPS Job Performance Station 3 Review 1:00 p.m. to 3:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

16

19

IFPS Job Performance Station 1 Review 1:00 p.m. to 3:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

IFPS Job Performance Station 4 Review 1:00 p.m. to 3:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

23-27

16-17

18-20

24-25

2-day Intro to Industrial Fluid Power Concepts and Components Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

3-day Cartridge Slip-In and Screw-In Logic Valve Technology Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

CC Certification Review and Testing Eden Prairie, MN Eaton Corporation/IFPS Contact IFPS: 800-308-6005 www.ifps.org

16-20

20

30-31

IFPS Job Performance Station 5 Review 1:00 p.m. to 2:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

2-day Job Performance Review (Hands-On Only) Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

20 IFPS Job Performance Station 6 Review 3:00 p.m. to 4:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

5-day Electric Maintenance, Schematics, and Troubleshooting Including Motor and Motor Control Circuits Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

23

30 – August 3

Job Performance Testing (9:00 a.m.)

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Proportional and Servo Circuit Design BAVTS (PA) Bosch Rexroth Tel: 610-694-8407 www.boschrexroth-us.com

Principles of Hydraulics BAVTS (PA) Bosch Rexroth Tel: 610-694-8407 www.boschrexroth-us.com

16-20 3- or 5-day Electrical Controls Including Safety and Test Equipment Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

17 IFPS Job Performance Station 2 Review 1:00 p.m. to 3:00 p.m.

(ONLINE) CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

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23-27 3- or 5-day Level 1 Mobile Hydraulics – In-Depth Fundamentals Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com 5-day Troubleshooting Electrical Systems Cincinnati, OH CFC-Solar, Inc. Tel: 513-874-3225 www.cfc-solar.com

30 – August 3

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Company Page Circle Adaconn..................................................................................15........... 185 Allenair Corp...........................................................................39........... 172 Allenair Corp...........................................................................14........... 179 Ametek Automation and Process Technologies.....................6........... 141 Applied Industrial Technologies........................................... CII........... 176 Argo-Hytos Inc.......................................................................45........... 174 Argo-Hytos Inc.......................................................................15........... 180 Argo-Hytos Inc.......................................................................30........... 199 Attica Hydraulic Exchange Corp.PPL................................... CIII........... 177 Attica Hydraulic Exchange Corp.PPL.....................................30........... 200 Clippard Instrument Lab Inc................................................. CIV........... 175 Clippard Instrument Lab Inc...................................................30........... 201 Continental Hydraulics.............................................................3........... 138 Dynamic Fluid Components..................................................28........... 161 Dynamic Fluid Components..................................................30........... 202 Epicor Software Solutions.....................................................34........... 165 ExpresSeal................................................................................5........... 139 ExpresSeal..............................................................................30........... 203 Feroy Company Inc................................................................10........... 145 Feroy Company Inc................................................................17........... 193 Flaretite Inc.............................................................................38........... 169 Flaretite Inc.............................................................................19........... 198 Fluid Power Training Institute................................................20........... 157 Fluidyne Fluid Power.........................................................12-13........... 148 Fluidyne Fluid Power..............................................................17........... 192 Fluidyne Fluid Power..............................................................31........... 204 Gates Corporation..................................................................11........... 147 Global Servo Hydraulics........................................................16........... 188 Global Servo Hydraulics........................................................25........... 156 Heinrichs USA LLC...................................................................8........... 143 Hercules Sealing Products.......................................................5........... 140 Honor Pumps U.S.A...............................................................23........... 159 Honor Pumps U.S.A...............................................................15........... 182 Industrial Specialties Manufacturing.....................................25........... 155 Industrial Specialties Manufacturing.....................................19........... 197 Inserta.....................................................................................15........... 186 Kuriyama of America..............................................................23........... 154 Kuriyama of America..............................................................31........... 205 La-Man Corp...........................................................................29........... 162 La-Man Corp...........................................................................31........... 206 Lehigh Fluid Power Inc...........................................................19........... 150 Lehigh Fluid Power Inc...........................................................17........... 181 Lubriplate Inc............................................................................9........... 144 Lubrizol...................................................................................21........... 158 Main Manufacturing Products...............................................31........... 207 Murrelektronik Inc..................................................................37........... 168 Oil-Rite Corp...........................................................................31........... 208 Parker Hannifin Corp/Precision Fluidics Div..........................39........... 171 Parker Hannifin Corp/Precision Fluidics Div..........................14........... 194 Peninsular Cylinder Co. 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Inc....................................................16........... 190 Pierce Sales............................................................................35........... 166 Pierce Sales............................................................................14........... 178 Power Valve............................................................................38........... 170 Power Valve............................................................................15........... 184 R & R Rubber Molding Inc......................................................18........... 196 Rotor Clip Company...............................................................27........... 160 Rotor Clip Company...............................................................31........... 209 Spectronics Corp....................................................................22........... 153 Suco Technologies Inc...........................................................29........... 163 Suco Technologies Inc...........................................................17........... 191 Sunfab North America...........................................................35........... 167 TR Engineering Inc................................................................10........... 146 Ultra Clean..............................................................................16........... 189 VEST Inc..................................................................................7........... 142 Woodward HRT......................................................................24........... 152 Woodward HRT......................................................................32........... 210 World Wide Electric Corp.......................................................44........... 173 World Wide Metric Inc............................................................16........... 187 Yates Industries Inc...................................................................1........... 137 Yates Industries Inc.................................................................18........... 195 Yates Industries Inc.................................................................32........... 211 Youli........................................................................................19........... 151 Youli........................................................................................14........... 183 Yuken/ALA Industries Ltd.......................................................18........... 149 Yuken/ALA Industries Ltd.......................................................32........... 212

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