__MAIN_TEXT__

Page 1

DECEMBER 2020

www.fluidpowerjournal.com

PREDICTIVE INTELLIGENCE

AND MONITORING

FOR PNEUMATIC COMPONENTS

Slip-in Logic Valve Circuits

TECH DIRECTORY

COMPANY LISTING P.21

Driving for Safety in a Truck Suspension

Innovative Designs & Publishing • 3245 Freemansburg Avenue • Palmer, PA 18045-7118

SHINE A LIGHT on Leaky Hydraulics P.12

Nonprofit Organization US Postage PAID Bolingbrook, IL Permit #323


www.atos.com

WE ARE ATOS, THE SMART ELECTROHYDRAULICS Smart Electrohydraulics is our response to the everchanging market, a mission we pursue thanks to a team of specialists working with great passion and operating in more than 80 countries, with a unique approach in which every process is analyzed and optimized: from research to design, from production to delivery, up to after-sales service.


IN THIS ISSUE

DECEMBER 2020

VOLUME 27 • ISSUE 11

Features 6

Slip-In Logic Valve Circuits: An Art and a Science Slip-in cartridge circuits bring superior safety, efficiency, and reliability.

10 Test Your Skills Understand the Application of Regenerative Circuits

17

12

12 Fluorescents Shine a Light on Leaky Hydraulic Systems UV leak detection prevents environmental damage and a host of other problems. 17 Driving for Safety in a Truck Suspension A hydraulic-powered unit validates the design of a vital automotive component. 18 Cover Story Predictive Intelligence and Monitoring Keeps Pneumatic Components Running Gathering a wealth data is no trick. Wisely interpreting it takes insight.

18 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.

CELEBRATING 60 YEARS

Departments 4

Notable Words

5

Air Teaser

14

IFPS Update

20

Literature Review

21

Tech Directory Listings

31

Product Review

31

Classifieds


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N OTA B L E WO R D S

Outgoing IFPS Board President Offers Thanks for a Challenging Year in Office By Jeff Kenney, CFPIHM, CFPMHM, CFPMHT, IFPS Board of Directors President

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: Art@FluidPowerJournal.com www.FluidPowerJournal.com Founders: Paul and Lisa Prass Associate Publisher: Bob McKinney Editor: Michael Degan Technical Editor: Dan Helgerson, CFPAI/AJPP, CFPS, CFPECS, CFPSD, CFPMT, CFPCC - CFPSOS LLC Art Director: Quynh Fisher Eastern Region Acct Executive: Norma Abrunzo Director of Creative Services: Erica Montes Accounting: Donna Bachman, Sarah Varano 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 • Web: www.ifps.org 2020 BOARD OF DIRECTORS President: Jeff Kenney, CFPMHM, CFPIHM, CFPMHT - Dover Hydraulics South Immediate Past President: Timothy White, CFPAI/AJPP, CFPS, CFPECS, CFPMIH, CFPMMH, CFPMIP, CFPMT, CFPMM - The Boeing Company First Vice President: Rocky Phoenix, CFPMMH - Open Loop Energy, Inc. Treasurer: Jeff Hodges, CFPAI/AJPP, CFPMHM - Altec Industries, Inc. Vice President Certification: Denis Poirier, Jr., CFPAI/AJPP, CFPHS, CFPIHM, CFPCC - Eaton Corporation Vice President Marketing: Scott Sardina, PE, CFPAI, CFPHS Waterclock Engineering Vice President Education: Kenneth Dulinski, CFPAI/AJPP, CFPECS, CFPHS, CFPMIH, CFMMH, CFPMT - Macomb Community College Vice President Membership: John Bibaeff, PE, CFPAI, CFPE, CFPS

»

AS I NEAR the end of my year as president, I find myself reflecting on the world around us. COVID-19 was not here when I took over as president. However, it was something Executive Director Donna Pollander, the staff at IFPS headquarters, and I had to deal with. As with all of you, there was a lot of uncertainty and fear among us. Like all of you and your companies, we accepted the challenge. We adapted and made plans to keep business moving forward. We were all in a place we have never been before, and there is no playbook for this type of pandemic. I’ll bet that changes moving forward. What I can tell you is that no matter what happens in life, it seems to all come down to relationships and people. People are always our most valuable asset, and the relationships we build with them define who we are in life. The relationships I developed while serving as a board member for IFPS over the last 12 years have grown into professional and personal respect for each member I have served with. Not once when I called on my fellow board members for advice, counsel, or to do more work have they not answered the call. During COVID-19 they have risen to the task and helped keep IFPS moving forward, especially headquarters. So as I close out my tenure as president, I want to sincerely say thank you to all the board members, the staff at headquarters, and all of our members for rising to this challenge and keeping us on the course of moving forward. 

4

DECEMBER 2020

DIRECTORS-AT-LARGE Chauntelle Baughman, CFPHS - OneHydraulics, Inc. Stephen Blazer, CFPE, CFPS, CFPMHM, CFPIHT, CFPMHT Altec Industries, Inc. Randy Bobbitt, CFPAI, CFPHS - Danfoss Power Solutions Cary Boozer, PE, CFPE - Motion Industries, Inc. Lisa DeBenedetto, CFPS - GS Global Resources Daniel Fernandes, CFPECS, CFPS - Sun Hydraulics Brandon Gustafson, PE, CFPE, CFPS, CFPIHT, CFPMHM - Graco, Inc. Garrett Hoisington, CFPAI/AJPP, CFPS, CFPMHM Open Loop Energy Brian Kenoyer, CFPHS - Five Landis Corp. James O’Halek, CFPAI/AJPP, CFPMIP, CMPMM The Boeing Company Mohaned Shahin, CFPS - Parker Hannifin Randy Smith, CFPHS - Northrop Grumman Corp. HONORARY DIRECTORS-AT-LARGE AND EX-OFFICIO Ex-Officio: Donna Pollander, ACA, Executive Director Elizabeth Rehfus, CFPE, CFPS Paul Prass, Fluid Power Journal Robert Sheaf, CFPAI/AJPP, CFC Industrial Training

IFPS STAFF Executive Director: Donna Pollander, ACA Communications Director: Adele Kayser Technical Director: Thomas Blansett, CFPS, CFPAI Assistant Director: Stephanie Coleman Certification Coordinator: Kyle Pollander Bookkeeper: Diane McMahon Administrative Assistant: Beth Borodziuk

Fluid Power Journal (ISSN# 1073-7898) is the official publication of the International Fluid Power Society published 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 not guarantee the return or safety of unsolicited art, photographs or manuscripts.

WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG


AIR TEASER

New Problem:

Comparing an Electrical Circuit to a Pneumatic Circuit By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH

Solution to the June 2020 problem:

Starting an Air Compressor Under Pressure

»

MANY TIMES, when we try to come up with a pneumatic circuit to do a particular job, we may think an electrical circuit would do the same job. In the circuit above we have two threeway switches and a four-way switch that will let us turn the circuit on and off from any of the three switches. Below the electrical circuit is a pneumatic circuit with two three-way valves and one four-way valve connected similarly to the electrical circuit. Is there any problem with the pneumatic circuit and if so, what is the problem?

Metric System Imperial System 850 liters to mm³ = 850,000,000 mm³ 30.017 x 1728 / 1000 = 51,869 in³ Divide by 1000 rpm = 850,000 mm³ / rev. 51,869 / 1000 = 51.869 CIR Area is D² x .7854 Area is D² 19² x .7854 = 283.53 mm² .748² x .7854 = .439 in² V = A x L V=AxL 283.53 x 500 = 141,764.7 mm³ volume of airline .439 x 19.685 = 8.65 in³ airline vol. Volume per rev. / volume of airline = CR (compression ratio) 850,000 / 141,764.7 = 6 CR 51.869 / 8.65 = 6 CR We are putting 850,000 mm³ in 141,764.7 mm³ container 51.869 in³ in a 8.65 in³ container chp Calculate the pressure using compression ratio: P1 + .1 = 6 P1 + .1 = .6 P1 = .5 MPa P1 + 14.7 = 6 P1 + 14.7 = 6 x 14.7 .1 14.7 P1 + 14.7 = 88.2 88.2 – 14.7 = 73.5 PSI Visit www.fluidpowerjournal.com/air-teaser to view previous problems.

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usa@teleradio.com DECEMBER 2020

5


SLIP-IN LOGIC VALVE CIRCUITS:

Figure 1: An electrohydraulic 5,000 psi (345 bar), 400 gpm (1,514 lpm) slip-in logic valve circuit.

An Art and a Science

By Jon Rhodes, CFPECS, CFPAI, President, CFC Industrial Training

A

rt and science blend to form the efficient and demanding modern hydraulic circuits used in heavy industries. This is the case with slip-in logic valve circuits, which are used in demanding applications that require long-life, low leakage, and high flow. Hydraulic valve circuits can be packaged in several unique ways depending on the application and working environment in which they exist. The way the valve systems are housed makes the packages look different, even though they are operationally remarkably similar.

As the hydraulics industry has matured, these valves systems now conform to ISO standards for ease of interchange and global implementation. Standard and custom manifold configurations are commonplace to eliminate excessive plumbing and leak points while providing compactness in valve circuits with many flow paths. Valve packaging and terminology can overcomplicate hydraulic circuits and systems. The tendency in the industry had been to create unique words and subsystem descriptions to allow brand-to-brand differentiation when engineering and analyzing circuits. Modern dogma is breaking these tendencies to demand global standardization. Valve circuits can be packaged in four unique methods, and combinations of these methods are commonplace. Slip-in cartridge, screw-in cartridge, modular industrial interchangeable, and sectionals are the lion’s share of valve-circuit packaging types. Sectional valve stacks were born in the mobile industry out of the demand for compactness. Of the four types, there has been little standardization in the sectionals, and each manufacturer designs its valve systems with 6

DECEMBER 2020

low regard for standardization. Each individual section may have multiple circuit function, making standardization between manufacturers difficult. Screw-in cartridge technology has become wildly popular. The need for lower cost and compactness drive the industry toward the flexibility this type of system offers. The modular stacking valve systems were born out of the demand for quick replacement and global standardization. These systems used a common valve pattern to communicate flow and are the shining example of standardization in the hydraulics industry. The valve mounting and flow communication interface patterns conform to an interchangeable ISO standard on flow volume and are delivered in D03, D05, D07, D08, and D10 flow sizes. Sectional, modular, and screw-in technology have their limitations for standard, commercially available component purchase and configuration into working hydraulic circuits when high flow is necessary. These components are typically purpose-built for their flow, pressure, and directional functions. For example, when purchasing a screw-in cartridge valve

for a relief function, you simply specify a single component part number and get that relieving function in a screw-in valve format that is ported to communicate the oil properly within the machined body or manifold cavity. This is the point where screw-in and slip-in technology greatly differ. Slip-in technology requires multiple components that comprise the working function and are always pilot operated. Each working function of a slip-in assembly requires a two-way, two-position insert assembly and a piloting cover assembly to be mated together on the manifold to form the pressure, directional, or flow controlling function. The insets are designed and sized in pairs with the controlling cover, but optional specification allows for advanced functions in the matching. The controlling cover hydraulically pilots the insert to open, close, or modulate based on the combination of cover and inserts. The insert and cover must be engineered or analyzed individually and as a pair to ensure proper function. The machined cavities in the manifold accept the inserts and communicate the working A and B pilot or drain ports to the ISO-7368 standard. This ISO standard is derived from the original German DIN 24324 standard. Some will still use the DIN terminology when simply describing the slip-in assembly as a DIN valve. The term logic valve is more commonly used in Europe, as inherent hydraulic logic exists in these circuits resulting from multiple two-way, two-position valves communicating fluid within the manifold WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG


Size (mm)

ISO 7368 DIN 24342

LPM

GPM

16

06

NG16

200

53

25

08

NG25

450

119

32

09

NG32

700

185

40

10

NG40

1100

291

50

11

NG50

1700

449

63

12

NG63

2800

740

100

13

NG100

7000

1850

Figure 2 indicates the sizes available and the flow rating at 72 psid.

to form the overall circuit function. The size of the valves relates to the internal flow capability and range in size from 16 mm to 100 mm, as shown in figure 2. The insert assembly itself has two working ports that control the high flow and high pressure generally used within the circuit to power the actuator. These ports are labelled A and B, with A most commonly being the inlet. The simplistic design of a poppet and sleeve with no soft sealing make this construction the most bulletproof design in the hydraulics industry. The moving poppet either allows flow, blocks flow with minimal leakage, or modulates to meter flow or control pressure. The third port is the pilot port. This port is generally labelled as the AP port. Pressure applied to the AP port acts on the exposed area on the top of the poppet to produce downward or closing force. Pressure applied on the working A or B or A +B produces an upward or opening force. Since force = pressure x area, the poppet opens, closes, or modulates based on the pilot pressure applied at AP versus the pressure applied on A, B, or both. To complicate this even further, inserts are designed with differential areas on the A port or B port, as compared to the AP port, to bias the poppet to open or closed with different area ratios between the A port and the AP port. This differential area lends itself well to the different pressure, flow, and directional functions. When using the assembly as a pressure relief, it is common to use the 1:1 equal insert so that the pilot pressure at the A port is directly proportional to the piloting pressure within the pressure-relief cover. When using the assembly as a directional function, it is common to use the 1:2 insert to allow pressure at the B port to also open the poppet. When the ratio is not 1:1, the A + B area must equal the AP area. The cover assembly provides control of the piloting pressure applied to the AP port, and control functions are not dictated by the ISO7368 standard. Only the dimensions and pilot WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

port locations are covered by the ISO standard. For this reason, the covers can be supplied with a myriad of functions to suit the circuit requirement. The pilot port designations are commonly listed as Ap or Ac, X for pilot pressure, Y for pilot drain, and Z1 and Z2 for auxiliary pressure and drain communication to the manifold. Covers are typically categorized

as pressure, flow, and directional function, with options contained within each unique category. As hydraulic automation continues its march forward, manufacturers produce electrohydraulic proportional pressure and flow slip-in valves and covers that are typically categorized as dynamic. These dynamic assemblies may be (Continued on page 8)

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141" CODE 62 LABEL A1

#4 SAE LABEL TP4

221" CODE 62 LABEL B1

#4 SAE LABEL TP3

#4 SAE LABEL TP7

#4 SAE LABEL PS2

B2

#4 SAE LABEL TP6

221" CODE 62 LABEL B2

#4 SAE LABEL TP5

141" CODE 62 LABEL A2 A2

A1

B1

20

SV3

20 SV12

19 NG16

NG16

19

(Continued from page 7) supplied with onboard electronics in a single insert-cover combination matched to provide superior pressure and flow function with high accuracy and repeatability. Independent of its function, the cover provides the type of pilot control required for the matched insert. The cover is only controlling the pilot pressure and flow. The main working flow and pressure are ported through the A and B ports on the insert. Pilot pressure supply to the cover assembly generally requires orifice sizing to limit the volume of flow supplied to and drained from the manifold. The size of the orifice and pressure drop across it dictate the pilot flow and drain control to the AP port, therefore controlling the performance characteristics of the assembly. Tuning of the assembly, by changing the orifice size, may be required to optimize circuit performance. This is the moment when the term art may be used to describe how performance can dictate when, how, and where to place the orifice and to select the correct size. Too much flow

3

4

3 2

4

2 SET @ 450 PSI

20

20

SV11

SV10

NG40

7

NG25

8

5

6

22

1

1

NG40

NG25

SV6 7

1

SV7

9

1

NG16

NG16

SV8

SV9

5

11

10

3

3 11

15 1.5mm

18

20 13

12

SV5

16 4

14

3

Y

#20 SAE LABEL Y

X

#20 SAE LABEL X

P

#4 SAE LABEL TP2

2" CODE 62 LABEL P

T

#4 SAE LABEL TP1

3" CODE 61 LABEL T

PS #4 SAE LABEL PS

Figure 3: Hydraulic schematic of the manifold pictured in figure 1 that provides electrohydraulic control of two large-bore cylinders.

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Figure 4: The insert and cover are equipped with an inductive proximity switch to indicate closed poppet position for safety. Illustration courtesy of Parker Hannifin

will saturate the controlling cover and affect performance. Too little flow will not allow a solid control of pressure to the pilot and cause preopening or chatter. This delicate balance can be mathematically predicted, but rarely do the application loads, forces, and design considerations remain static from design to build, let alone over the life of the working hydraulic machine. If slip-in logic circuits do fail, the failure is most likely due to plugged orifice, as the range of orifice size is between .5 mm (0.019 inches) to 1.4 mm (0.055 inches). When designing or analyzing these circuits, it is easy to become overwhelmed with the intricate pilot flow paths and inherent applied logic. It is important to break the circuit into the individual working subcircuits and understand each assembly on its own merits prior to considering the entire circuit. The divide-and-conquer method must be used when many functions are contained within a single manifold. When using solenoid and proportional electrohydraulic control, adding a truth table indicating control signal versus operating function is also crucial to understanding how these circuits works. Adding the ISO colors to the schematics also helps. The schematic shown in figure 3 is designed to control two large-bore hydraulic cylinders from a single pump. Both cylinders can be cycled, but not at the same time. The top section of the circuit selects which of the two cylinders will be operated. The center section controls the directional function for extend, retract, hold, and float. The bottom section controls decompression and provides proportional pressure control for the entire circuit. Cartridge valve covers can include electronic position indication of the poppet that is required to conform with machine directives WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

2006/42/EC (figure 4). Greater hydraulic machine efficiency is realized in the flexibility to match hydraulic horsepower requirements directly to actuator cycling. The reliability of these circuits is unmatched with metal-to-metal-component simplistic insert construction. Advancements in software design tools make the design and construction of the circuits more palatable than ever. Implementing slip-in cartridge circuits provides superior safety, efficiency, and reliability with the mastering of this art and science. 

Luis Javier Berné, Engineer, ihBER S.L., Zaragoza, Spain

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TEST YOUR SKILLS

UNDERSTAND THE APPLICATION OF REGENERATIVE Outcome 1.2.5: Understand the application of regenerative circuits.

U N D E R S TA N D T H E F U N C T I O N O F H Y D R A U L I C C O M P O N E N T S I N C I R C U I T S

Regeneration: Regeneration is a general term for when exhausting hydraulic fluid from the rod side of an actuator is directed back into the pressure line. U N exhausting D E R S TAfluid N D is TH E FUN T ION OF H Y DR AUL IC COMP ONEN T S IN C IRC UI T S The re-used orCregenerated to do work. Interjecting the exhausting fluid into the pressure line adds a resistive load to an actuator 1.2.5: so that the increase in available Outcome Understand the application of regenerative circuits. flow results in a decrease in available force. A B When used on cylinders, it is the rod end Regeneration: Regeneration is a general term for when exhausting hydraulic fluid from the rod side of an exhaust flow that is regenerated back into the actuator is directed back into the pressure line. b a blind end flow. This creates equal pressure P T The exhausting fluid is re-used or regenerated Figure 1: Full-time on term both that sides of thewhat piston. Because REGENERATION is a general describes happens when of the to do work. Interjecting the exhausting fluid regenerative circuit differential area between the isblind end and the exhausting hydraulic fluid from the rod side of an actuator directed intorod theend, pressure linepressure adds a produces resistive aload to with the "B" port the equal greater back into the pressurean line.actuator The exhausting fluid is reused or regenerblocked. so that increase available force on the blind the side, causinginthe cylinder ated to do work. Interjecting the exhausting fluid into thein pressure line force. flowto results in a decrease available try and extend. The force caused by the A B adds a resistive load to an actuator so the increase available When used on onthat cylinders, it inis(the thearea rodaround end pressure the annulus area flow results in decreased available force. When used on of cylinders, itintoonthe exhaust flowacts that is regenerated back the rod) against some the force the b a end flow. This creates equal is the rod-end exhaustblind flow that is regenerated back into the blind-end piston. Only the pressure acting onpressure the area P T onpressure both theofpiston. Because of the of the sides rodboth is of effective inpiston. producing force. This flow. This creates equal on sides the Because differential area between the blind end and the actually makes calculating the characteristics of the differential area between the blind end and the rod end, the rodof the force equalonpressure produces a greater Fig. 1-42 Full-time Regenerative Circuit a regenerative circuit easy. It is as equal pressure produces aend, greater the blind quite side, causing with the "B" Port Blocked force on the side, causing theacting cylinder though the blind flow and pressure were only the cylinder to try and extend. The force caused by the pressure on to try androd extend. The force caused by the on the of the cylinder. the annulus area (the area around the rod) acts against some of the pressure on the annulus area (the area around force on the piston. Only the pressure acting on area of the rod on the it is common tothe design regenerative circuits using cylinders with a 2:1 area ratio between the blind theWhile rod) acts against some of the force is effective in producing force. This actually makes calculating end and rod end, any single rod cylinder can be used for regeneration as long as the force requirements piston. Only the pressure acting onthe the area characteristics of a regenerative quite easy. is as though thethe pressure do not exceed what is It available from on the rod area. of the rodcircuit is effective in producing force. This flow and pressure were acting only on thecalculating rod of the cylinder. actually makes the characteristics Examples of regenerative circuits: Fig. 1-42 Full-time Regenerative Circuit of a regenerative circuit quite easy. It is as with the "B" Port Blocked though the flow and pressure were acting only regenerative on A thefull-time rod of the cylinder. circuit that extends and retracts a cylinder is shown in Fig. 1-42. hile it is common to design regenerative circuits usingiscylinders Figure 2: Part-time Full-time means that the circuit always in While it isbetween common to design regenerative circuits using cylinders with a 2:1 area ratio between the blind regenerative circuit with a 2:1 area ratio themode blind end and rod end, the regenerative of operation. A any circuit with bleed-off. end and rod end, any single rod cylinder can be used for regeneration as long as the force requirements single-rod cylinder cantype be used for regeneration as long as the the of this would extend and retract do not exceed what is available from the pressure on the rod area. cylinder rod what of a is 2:1 area ratio the same force requirements do not exceed available from with the pressure A B velocity and force in each direction. on the rod area. Examples of regenerative circuits: a Examples of regenerative circuits P T The circuit in Fig. 1-43 achieves a fast, low force Figure 1 shows A a full-time regenerative circuit that extends and extends retracts full-time regenerative circuit that extension with full force clamping by using a a cylinder. Full-time that orifice the circuit always in theof regenerative andmeans retracts a cylinder isrod shown in Fig.cylinder. 1-42. bleed-off at is the end the Full-time means that theextend circuit is retract always in mode of operation. AOn circuit of this type would and the extension, the cylinder regenerates at low the regenerative mode of operation. A circuit cylinder rod of a 2:1 area ratio withthe the same velocity and force in each force until rod contacts the work piece. of When this type would extend retract the rod extension stops and momentarily, the direction. cylinder rod of a 2:1 area ratio with the same bleed-off valve allows a small amount of flow A B The circuit in figure 2 achieves a fast, low-force extension with full-force velocity and to force in each direction. to return reservoir, allowing the pressure at clamping by using a bleed-off orifice at the rod end of the cylinder. On a the rod end of the cylinder to fall. This allows extension, the cylinder regenerates at low force until the rod contacts P T Thefull circuit in Fig.to1-43 a fast, pressure act achieves against the cap low sideforce of the the work piece. When rod extension stops momentarily, the bleed-off extension with full force clamping by using a cylinder piston, thus developing full force. valve allows a small amount orifice of flow to to reservoir, allowing the bleed-off atreturn the rod end of the cylinder. Fig 1-43 Part-time Regenerative Circuit with Bleed-off pressure at the rod end of the cylinder fall. allows full pressure fluid to the cap end of the piston. Return flow from the Another means to This increase the extension On extension, thetocylinder regenerates at to low cylinder directs force of a cylinder under regeneration as act against the cap side ofuntil the cylinder piston, thus developing full force. force the rod contacts the work piece. rod end of the cylinder regenerates through the check valve to join with shown Fig. 1-44, is to the install a counterbalance valve in the thecounterbalance line betweenvalve the prevents rod endfluid of the cylinder and When rodinextension stops momentarily, the pump As shown in figure 3, another means to increase extension force of flow as from the rod end one of the actuator ports of the directional control valve, and a pilot-to-close check valve between the two bleed-off valve allows a small amount of flow a cylinder under regeneration is to install a counterbalance valve in the of the cylinder from returning to tank through the directional control to return to reservoir, allowing the pressure at line between the rod end of the cylinder and one of the actuator ports of valve. When the load pressure rises above the pressure setting of the the1rod ofa the cylinder to fall. This allows counterbalance valve, the pressure rise is sensed -valve, 36end • and Hydraulic Specialistcheck Certification Study Manualthe • 04/20/18 the directional control pilot-to-close valve between through external full pressure to act against the cap side of the the two cylinder ports. This allows free flow from the rod-end port to pilot line connected to the cap end of the cylinder. The counterbalance cylinder piston, thus developing full force. the cap-end port. Shifting the directional control valve to extend the valve then opens, venting the rod end of the cylinder. As the load pressure 10

Fig 1-43 Part-time Regenerative Circuit with Bleed-off Another means to increase the extension WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG force of a cylinder under regeneration as shown in Fig. 1-44, is to install a counterbalance valve in the line between the rod end of the cylinder and

DECEMBER 2020


to the cap end of the piston. Return flow from the rod end flow to tank. For a 2:1 cylinder this gives the options valve to join with pump flow as the counterbalance valve er from of fast extension at half maximum cylinder force, slow ol valve. e setting s sensed d to the lve then Fig. 1-44 Part-time Regenerative the load with a Counterbalance Valv pressure Figure 4: Regenerative er. Thus, circuit with a regenerative A B pressure position in the directional extension with maximum cylinder ro The regenerative circuit in figure 2 has o retract control valve. regenerative position in the directional a 63-mm bore and a 45-mm diameter valve is looks similar a float position P T cylinder rod.to If maximum cylinder exce the Figure rod 3: Part-time cylinder ports are connected to the p etraction A B pressure is set at 110 bar, what force regenerative circuit

TEST YOUR

with a counterbalance valve. ion of a our way onnects blocking options ce, slow

ve

rather than to the tank port.

b

a

will the cylinder rod exert after the cylinder stalls? A point to note regarding the 4/4 direct 17,494 d. 174,940the N. place valvea.in Fig. N. 1-45 concerns b. 22,275 N. 342,898 N. in the centering springs ande. solenoids c. 34,290 1219-1 allowsN.for envelope lines to be e

P T

Fig. 1-45 Regenerative Circuit with a Regenerative

for alternate locations of operators in to clarify the operation of the valve. T See solution on page 31. springs are shown to center the valve center position, with the fourth positio by the operation of the lever.

Position in the Directional Control Valve Fig. 1-44 Part-time Regenerative Circuit rises, the check valve seats, allowing pressure to continue to rise in the fast extension at half-maximum cylinder force and slow extension with with a Counterbalance Valve

cap end of the cylinder. Thus, full-force extending is developed the maximum cylinder rod force. in theadirectional Review: Theafter regenerative circuit in Fig. 1-43The hasregenerative a 63 mmposition bore and 45 mm diameter

loadwith pressure rises. When the directional actuated to retract the control valve looks similar to a float exceptwill thatthe bothcylinder cylinder rod exert extension maximum cylinder rod force. valve The is rod. If maximum cylinder pressure is set at 110 bar,position what force regenerative position in the directional control valve cylinder, the pilot-operated-to-close check valve is piloted closed, pre- ports are connected to the pressure port rather than to the tank port. cylinder stalls? looks similar a flow floatofposition except that A point to note regarding the 4/4 directional control valve in figure 4 ventingtothe fluid from the rod endboth to the cap enda. of the cylinder. 17,494 N. cylinder ports are connected to the pressure port c b. 22,275 N. concernsAnswer: the placement of the centering springs and solenoids in the This to allows retraction rather than the tank port. of the cylinder.

34,290 N. Figure 4 illustrates a circuit that allows selection of c. a regeneration

symbol. ISO 1219-1 allows for envelope lines to be extended and for alternate

d.control 174,940 A point option to note with regarding theposition 4/4 directional controldirectional a fourth in a four-way valve.N. locations of operators in an attempt to clarify the operation of the valve. valve in Fig. 1-45 concerns the placement of the e. 342,898 N. The fourthand position connects both ends of the cylinder with the pump The centering springs are shown to center the valve to a certain center centering springs solenoids in the symbol. ISO position, with the fourth position controlled by the operation of the lever.  while blocking flow lines to tank. Forextended a 2:1 cylinder, 1219-1 allows for envelope to be and this gives the options of for alternate locations of operators in an attempt Study Manual • 04/20/18 Study Manual • 04/20/18 Hydraulic Specialist Certific to clarify the operation of the valve. The centering springs are shown to center the valve to a certain center position, with the fourth position controlled by the operation of the lever.

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has a 63 mm bore and a 45 mm diameter cyl-inder 10 bar, what force will the cylinder rod exert after the

Hydraulic Specialist Certification • 1 - 37

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DECEMBER 2020

11


FLUORESCENTS SHINE A LIGHT ON LEAKY HYDRAULIC SYSTEMS From Spectronics Corporation

Every year excessive volumes of hydraulic fluid are lost due to leaks, resulting in equipment downtime, contamination, energy efficiencies, and cost overruns. Fluid power equipment cannot operate efficiently if fluid levels are low and not meeting manufacturers’ specifications. If leaks continue, equipment is at risk of mechanical failure, which ultimately leads to costly downtime repairs, production losses, and possibly fines. Incorporating leak detection into preventative maintenance can aid in limiting these and other issues associated with leaks.

TYPES OF LEAKS There are two types of leaks that can occur in hydraulic fluid systems: internal and external. Internal leaks occur within the hydraulic 12

DECEMBER 2020

system and pose a serious problem to the machinery’s internal workings. External leaks are the most obvious, due to their visible nature. While leaks may seem insignificant, they lead to more operational problems in the long run. It is important to track them down as quickly as possible. Internal leaks. Internal leaks can be caused by various problems, including wear and tear of component surfaces, poorly designed systems, incorrect initial installation, or using the wrong parts during repairs. All of these negatively impact system performance. When internal leaks occur, they typically form narrow pathways or small cavities that allow hydraulic fluid to flow more freely. For example, as the surface of certain components begins to deteriorate, it adds volumetric space

for fluid to pass by the components, allowing for more contamination to flow through and causing higher internal leakage rates. An easy detection tool for this type of leak is a flow meter, which can be installed at various locations throughout the system to narrow down potential leak locations. Temperature measurement and ultrasonic detection are additional tools for detecting internal leaks. A knowledgeable technician can help determine which detection options are best and which components may need replacement from premature wear. External leaks. External leaks allow the hydraulic fluid to inadvertently escape the system. Locating these leaks can be straightforward; other times it can be difficult because the leak’s source may not be in the location where the fluid gathers. Leaks can easily drip and travel depending on where they are on the machine. External leaks can be formed due to failed seals, connections, hoses, or pipes. Whether it is wearing out a seal or creating a hole in a component, leaks are allowing air, moisture, and other contaminates to enter the system. These contaminants can lead to numerous problems, with the costliest being wasted fluid. It may seem straightforward to just keep topping off fluid levels, but that ends up doing more harm because the contaminates remain in the system, causing damage and wearing out components. Additionally, there are safety and environmental factors to consider. External leaks can WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG


create hazardous conditions for operators and technicians. When left unattended, puddles or slick areas begin to form, leading to slippage or even fluid penetration-related injuries. A leaky outdoor hydraulic machine like a digger or an excavator could affect the environment. Fines and other serious consequences can result from fluid seeping into the ground.

COSTS OF LEAKING FLUID If several pieces of hydraulic equipment have multiple leaks, the accumulative cost over an extended period is alarming. The time spent for equipment repairs or adding lost operational fluid can cost thousands of dollars. When you factor in the indirect costs of wages, clean up, and disposal, along with lost production time, you can see how severely leaks may impact the overall bottom line. To initiate preventive care, inspect hydraulic equipment and mark all leaks for corrective action during the next service visit.

PREVENTIVE MAINTENANCE Preventive maintenance is essential. It involves regular maintenance tasks to eliminate a reactive response to repairs. It has been proven that proactive routine care can help prevent equipment breakdowns, save on costs, and keep equipment running efficiently longer. To protect assets, it is important to implement a preventive-maintenance plan. Foundations of a maintenance plan should include regular inspections of the system’s hydraulic pressure, checking that fluid levels are at recommended settings and recording the status of each piece of equipment. A comprehensive list of preventive maintenance measures should be available from the OEM, from a service technician, or through a quick internet search. Once procedures are established, make sure each maintenance task is updated and easily

WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

TO KEEP TOPPING OFF HYDRAULIC FLUID LEVELS ENDS UP DOING MORE HARM BECAUSE CONTAMINATES REMAIN IN THE SYSTEM." accessible by all employees, even nonmaintenance workers. This ensures that everyone is aware of what should be routinely checked and monitored. Procedures that are properly written and followed allow equipment to operate to its full potential and life cycle.

FLUORESCENT LEAK DETECTION Fluorescent leak detection, also called UV leak detection, provides a quick, easy, and noninvasive solution for finding leaks in closed loop circulating fluid-based systems. A liquid dye compatible with the existing hydraulic fluid and machine surfaces helps determine whether visible fluid is from an active leak. In some applications with multiple fluid types, each fluid reservoir can be dyed a different color to clearly identify the source of the leak. Fluorescent leak detection is compatible with fuel leaks, heat-transfer fluid leaks, hydraulic leaks, lubricant leaks, and refrigeration leaks. The leak detection process is simple. Based on oil ratio and the manufacturer’s specifications, a small amount of fluorescent dye is added to the equipment’s fluid reservoir. The dye mixes with the host fluid and circulates through the system. Depending on the system’s size, full circulation of the dye can take time. Once fully circulated, the next step is to identify leaks. This requires a violet or ultraviolet flashlight. Violet and ultraviolet light fall within the 300-400 nanometer range, and these

wavelengths easily activate the best fluorescent response in the dye particles. A technician simply scans the equipment with the flashlight. If there are leaks, the areas will be glowing, allowing a technician to diagnose the leaking system.

BENEFITS Fluorescent leak detection is easy to incorporate into a preventive maintenance program. It is simple to use, visually intuitive, cost effective, and efficient for finding leaks. It enables technicians to safely scan near moving parts and easily detect the source of small or intermittent leaks. Additionally, it assists with future repairs because the dye can safely remain in the system. Maintaining a sealed hydraulic system is essential to its safe operation and continued longevity. Constantly replacing lost fluid increases the chance of water and particulate contamination and results in higher operating costs. Leaks allow contaminates that affect the hydraulic fluid’s chemical properties to enter and degrade the system, leading to inefficiencies and ultimate operational failure. And leaks can add up – just one drop per second can result in 420 gallons of hydraulic fluid or more wasted in one year. Fluorescent leak detection is a highly effective tool that maintains a smooth-running fluid system, prevents expensive equipment breakdowns, reduces labor costs due to downtime, and helps avoid environmental pollution and hazardous working conditions.  DECEMBER 2020

13


I F P S U P D AT E

CELEBRATING 60 YEARS

TRAIN-THE-TRAINER WORKSHOP Looking to improve your instructor skills? Interested in becoming an IFPS Accredited Instructor? Consider the Train-the-Trainer Workshop, a two-day virtual program on Feb. 9 and 10, 2021, 9 a.m. – 1 p.m. ET. Presenters Tom Blansett, IFPS Technical Director, and Denis Poirier Jr., CFPAI, of Eaton Corporation, look at: • the science of learning and adult education, • best approaches for preparation and course development, • internal and external evaluation, • successful virtual technical training set up and the technology and equipment required, and • delivery techniques in today’s virtual world. Registration is limited: $99 Members / $149 Nonmembers $49 IFPS Accredited Instructors. A workbook is included. Register at www.ifps.org.

IFPS Welcomes Two New Board Members Steve Bogush, CFPHS, CFPAI/AJPP, district sales manager at Poclain Hydraulics, was elected director-at-large at the 2020 virtual annual meeting. He will take office in January. Steve has spent the last ten years teaching and working in mobile and industrial hydraulic technologies. He has a passion for helping others better understand the fundamentals of fluid power. He and his wife Shelley are the parents of three children and reside in Central Pennsylvania. Jon “J.R.” Rhodes, CFPECS, CFPAI, president of CFC Industrial Training, was also elected director-at-large and will take office in January. Jon began his fluid power and automation career in 1985 and has held positions of increasing responsibility. He joined CFC in 2012 and provides fluid power and automation instruction, curriculum development, consultation, engineering, project management, and overall corporate guidance.

Make Your Team Stronger IFPS Corporate Commitment Packages help your bottom line with significant savings and offers opportunities for improved safety, improved reliability, greater efficiency, and reduced liability for your team. • Companies that certify their employees demonstrate higher quality standards to their customers, vendors and competitors. • Certified employees perform better and make fewer mistakes. • IFPS Certifications are VA-approved and endorsed by NFPA and NAM. The IFPS Corporate Commitment Package is designed for companies committed to certifying 10 to 40 employees with savings from $60 – $110 per individual.

For more information, visit www.ifps.org or call 800-308-6005.

IFPS MEMBERSHIP

September 2020

Newly Certified Professionals SPECIALIST (S)

(holds HS and PS certifications) James Russo, Bimba Manufacturing Company ELECTRONIC CONTROLS SPECIALIST (ECS)

IFPS has been a cornerstone of my career. From the early days studying for my HS Certification to the present relationships I hold with other industry professionals, IFPS has helped lay a foundation that has been instrumental to my personal growth and professional success. Chauntelle Baughman, CFPHS President, OneHydraulics, Inc.

14

DECEMBER 2020

Ethan Stuart, Wainbee Limited Kirkrai Yuvamitra HYDRAULIC SPECIALIST (HS)

Blake Jones, Womack Machine Supply Co. Bobby Haring, Ozark Fluid Power, Inc. Jake Little, Womack Machine Supply Co. Rett Rabe, Womack Machine Supply Co. Ryan Schultz, Womack Machine Supply Co. MOBILE HYDRUALIC MECHANIC (MHM)

Aaron Reuter, Altec Industries, Inc. Alfredo Arroyo, Altec Industries, Inc.

William Kenzakoski, Altec Industries, Inc. Billy Marshall, Altec Industries, Inc. Chris Minkler, Altec Industries, Inc. Shawn Vallauri, City Fleet Service David Kutek, Altec Industries, Inc. Joe Miller, Altec Industries, Inc. Julio Quintero, Altec Industries, Inc. Scott Petch, Altec Industries, Inc. Steven Sleva Xavier Timms, Altec Industries, Inc. CONNECTOR & CONDUCTOR (CC)

Charles Link, The Boeing Company Denny London, The Boeing Company Doug Robeck, The Boeing Company Michael Collins, Pirtek USA - Rockville Jason Edwards, The Boeing Company Jaxon Kronberger, The Boeing Company

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I F P S U P D AT E

AVAILABLE IFPS CERTIFICATIONS CFPAI Certified Fluid Power Accredited Instructor CFPAJPP Certified Fluid Power Authorized Job Performance Proctor 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 CFPPS Certified Fluid Power Pneumatic Specialist CFPECS Certified Fluid Power Electronic Controls Specialist CFPMT Certified Fluid Power Master Technician (Must Obtain CFPIHT, CFPMHT, & CFPPT) CFPIHT Certified Fluid Power Industrial Hydraulic Technician CFPMHT Certified Fluid Power Mobile Hydraulic Technician CFPPT Certified Fluid Power Pneumatic 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 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 CFPMEC (In Development) Mobile Electronic Controls CFPIEC (In Development) Industrial Electronic Controls

WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

Tentative Certification Review Training In-house Review Training – an IFPS Accredited Instructor will come to your company (minimum 10 individuals) HYDRAULIC SPECIALIST (HS) CERTIFICATION REVIEW Onsite review training for small groups – contact kpollander@ifps.org for details March 23-26, 2021 - Fairfield, OH - CFC Industrial Training | Written test: March 26, 2021 September 13-16, 2021 - Fairfield, OH - CFC Industrial Training | Written test: September 16, 2021 PNEUMATIC SPECIALIST (PS) Onsite review training for small groups – contact kpollander@ifps.org for details July 27-29, 2021 - Fairfield, OH - CFC Industrial Training | Written test: July 29, 2021 ELECTRONIC CONTROLS (ECS) CERTIFICATION REVIEW Onsite review training for small groups – contact kpollander@ifps.org for details August 9-12, 2021 - Fairfield, OH - CFC Industrial Training | Written test: August 12, 2021 CONNECTOR & CONDUCTOR (CC) CERTIFICATION REVIEW Onsite review training for small groups – contact kpollander@ifps.org for details May 18-19, 2021 - Fairfield, OH - CFC Industrial Training | Written and JP test: May 20, 2021 November 16-17, 2021 - Fairfield, OH - CFC Industrial Training | Written and JP test: November 18, 2021 MOBILE HYDRAULIC MECHANIC (MHM) CERTIFICATION REVIEW Onsite review training for small groups – contact kpollander@ifps.org for details Online Mobile Hydraulic Mechanic Certification Review (for written test) offered through info@cfcindustrialtraining.com. This course takes you through all chapters of the MHM Study Manual (6.5 hours) and every outcome to prepare you for the written MHM test. Members receive 20% off. (Test fees are additional - separate registration required.) April 13-15, 2021 - Fairfield, OH - CFC Industrial Training | Written and JP test: April 16, 2021 August 30 - September 1, 2021 - Fairfield, OH - CFC Industrial Training | Written and JP test: September 2, 2021   INDUSTRIAL HYDRAULIC MECHANIC (IHM) CERTIFICATION Onsite review training for small groups – contact kpollander@ifps.org for details June 14 - 16, 2021 - Fairfield, OH - CFC Industrial Training | Written and JP test: June 17, 2021   INDUSTRIAL HYDRAULIC TECHNICIAN (IHT) CERTIFICATION REVIEW TRAINING Onsite review training for small groups – contact kpollander@ifps.org for details Call for dates. Phone: 513-874-3225 - CFC Industrial Training, Fairfield, Ohio   MOBILE HYDRAULIC TECHNICIAN (MHT) CERTIFICATION REVIEW TRAINING Onsite review training for small groups – contact kpollander@ifps.org for details Call for dates. Phone: 513-874-3225 - CFC Industrial Training, Fairfield, Ohio   PNEUMATIC TECHNICIAN (PT) and PNEUMATIC MECHANIC CERTIFICATION REVIEW TRAINING Onsite review training for small groups – contact kpollander@ifps.org for details Call for dates. Phone: 513-874-3225 - CFC Industrial Training, Fairfield, Ohio   JOB PERFORMANCE (JP) TRAINING Onsite review training for small groups – contact kpollander@ifps.org for details Online Job Performance Review - CFC Industrial Training offers online JP Reviews which includes stations 1-6 of the IFPS mechanic and technician job performance tests. Members may e-mail askus@ifps.org for a 20% coupon code off the list price or get the code in our Members Only area for the entire IFPS Job Performance Review; test not included. LIVE DISTANCE LEARNING JOB PERFORMANCE STATION REVIEW Onsite review training for small groups – contact kpollander@ifps.org for details E-mail info@cfcindustrialtraining.com for information.

DECEMBER 2020

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I F P S U P D AT E

Certification Testing Locations Individuals wishing to take any IFPS written certification tests can select from convenient locations across the United States and Canada. IFPS is able to offer these locations through its affiliation with The Consortium of College Testing Centers provided by National College Testing Association. Contact headquarters if you do not see a location near you. Every effort will be made to accommodate your needs. If your test was postponed due to the pandemic, please contact headquarters so that we may reschedule.

TENTATIVE TESTING DATES FOR ALL LOCATIONS: February 2021 Tuesday 2/2 • Thursday 2/25 March 2021 Tuesday 3/2 • Thursday 3/25 April 2021 Tuesday 4/6 • Thursday 4/22 May 2021 Tuesday 5/4 • Thursday 5/20

ALABAMA Auburn, AL Birmingham, AL Calera, AL Decatur, AL Huntsville, AL Jacksonville, AL Mobile, AL Montgomery, AL Normal, AL Tuscaloosa, AL ALASKA Anchorage, AK Fairbanks, AK ARIZONA Flagstaff, AZ Glendale, AZ Mesa, AZ Phoenix, AZ Prescott, AZ Scottsdale, AZ Sierra Vista, AZ Tempe, AZ Thatcher, AZ Tucson, AZ Yuma, AZ ARKANSAS Bentonville, AR Hot Springs, AR Little Rock, AR CALIFORNIA Aptos, CA Arcata, CA Bakersfield, CA Dixon, CA Encinitas, CA Fresno, CA Irvine, CA Marysville, CA Riverside, CA Salinas, CA San Diego, CA San Jose, CA San Luis Obispo, CA Santa Ana, CA Santa Maria, CA Santa Rosa, CA Tustin, CA Yucaipa, CA COLORADO Aurora, CO Boulder, CO Springs, CO Denver, CO Durango, CO Ft. Collins, CO Greeley, CO Lakewood, CO Littleton, CO Pueblo, CO DELAWARE Dover, DE Georgetown, DE Newark, DE FLORIDA Avon Park, FL Boca Raton, FL Cocoa, FL Davie, FL Daytona Beach, FL Fort Pierce, FL Ft. Myers, FL Gainesville, FL Jacksonville, FL Miami Gardens, FL Milton, FL New Port Richey, FL Ocala, FL Orlando, FL Panama City, FL Pembroke Pines, FL Pensacola, FL Plant City, FL Riviera Beach, FL Sanford, FL

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DECEMBER 2020

Tallahassee, FL Tampa, FL West Palm Beach, FL Wildwood, FL Winter Haven, FL GEORGIA Albany, GA Athens, GA Atlanta, GA Carrollton, GA Columbus, GA Dahlonega, GA Dublin, GA Dunwoody, GA Forest Park, GA Lawrenceville, GA Morrow, GA Oakwood, GA Savannah, GA Statesboro, GA Tifton, GA Valdosta, GA HAWAII Laie, HI IDAHO Boise, ID Coeur d ‘Alene, ID Idaho Falls, ID Lewiston, ID Moscow, ID Nampa, ID Rexburg, ID Twin Falls, ID ILLINOIS Carbondale, IL Carterville, IL Champaign, IL Decatur, IL Edwardsville, IL Glen Ellyn, IL Joliet, IL Malta, IL Normal, IL Peoria, IL Schaumburg, IL Springfield, IL University Park, IL INDIANA Bloomington, IN Columbus, IN Evansville, IN Fort Wayne, IN Gary, IN Indianapolis, IN Kokomo, IN Lafayette, IN Lawrenceburg, IN Madison, IN Muncie, IN New Albany, IN Richmond, IN Sellersburg, IN South Bend, IN Terre Haute, IN IOWA Ames, IA Cedar Rapids, IA Iowa City, IA Ottumwa, IA Sioux City, IA Waterloo, IA KANSAS Kansas City, KS Lawrence, KS Manhattan, KS Wichita, KS KENTUCKY Ashland, KY Bowling Green, KY Erlanger, KY Highland Heights, KY Louisville, KY Morehead, KY

LOUISIANA Bossier City, LA Lafayette, LA Monroe, LA Natchitoches, LA New Orleans, LA Shreveport, LA Thibodaux, LA MARYLAND Arnold, MD Bel Air, MD College Park, MD Frederick, MD Hagerstown, MD La Plata, MD Westminster, MD Woodlawn, MD Wye Mills, MD MASSACHUSETTS Boston, MA Bridgewater, MA Danvers, MA Haverhill, MA Holyoke, MA Shrewsbury, MA MICHIGAN Ann Arbor, MI Big Rapids, MI Chesterfield, MI Dearborn, MI Dowagiac, MI East Lansing, MI Flint, MI Grand Rapids, MI Kalamazoo, MI Lansing, MI Livonia, MI Mount Pleasant, MI Sault Ste. Marie, M Troy, MI University Center, MI Warren, MI MINNESOTA Alexandria, MN Brooklyn Park, MN Duluth, MN Eden Prairie, MN Granite Falls, MN Mankato, MN MISSISSIPPI Goodman, MS Jackson, MS Mississippi State, MS Raymond, MS University, MS MISSOURI Berkley, MO Cape Girardeau, MO Columbia, MO Cottleville, MO Joplin, MO Kansas City, MO Kirksville, MO Park Hills, MO Poplar Bluff, MO Rolla, MO Sedalia, MO Springfield, MO St. Joseph, MO St. Louis, MO Warrensburg, MO MONTANA Bozeman, MT Missoula, MT NEBRASKA Lincoln, NE North Platte, NE Omaha, NE NEVADA Henderson, NV Las Vegas, NV North Las Vegas, NV Winnemucca, NV

CELEBRATING 60 YEARS

NEW JERSEY Branchburg, NJ Cherry Hill, NJ Lincroft, NJ Sewell, NJ Toms River, NJ West Windsor, NJ NEW MEXICO Albuquerque, NM Clovis, NM Farmington, NM Portales, NM Santa Fe, NM NEW YORK Alfred, NY Brooklyn, NY Buffalo, NY Garden City, NY New York, NY Rochester, NY Syracuse, NY NORTH CAROLINA Apex, NC Asheville, NC Boone, NC Charlotte, NC China Grove, NC Durham, NC Fayetteville, NC Greenville, NC Jamestown, NC Misenheimer, NC Mount Airy, NC Pembroke, NC Raleigh, NC Wilmington, NC NORTH DAKOTA Bismarck, ND OHIO Akron, OH Cincinnati, OH Cleveland, OH Columbus, OH Fairfield, OH Findlay, OH Kirtland, OH Lima, OH Maumee, OH Newark, OH North Royalton, OH Rio Grande, OH Toledo, OH Warren, OH Youngstown, OH OKLAHOMA Altus, OK Bethany, OK Edmond, OK Norman, OK Oklahoma City, OK Tonkawa, OK Tulsa, OK OREGON Bend, OR Coos Bay, OR Eugene, OR Gresham, OR Klamath Falls, OR Medford, OR Oregon City, OR Portland, OR White City, OR PENNSYLVANIA Bloomsburg, PA Blue Bell, PA Gettysburg, PA Harrisburg, PA Lancaster, PA Newtown, PA Philadelphia, PA Pittsburgh, PA Wilkes-Barre, PA York, PA

SOUTH CAROLINA Beaufort, SC Charleston, SC Columbia, SC Conway, SC Graniteville, SC Greenville, SC Greenwood, SC Orangeburg, SC Rock Hill, SC Spartanburg, SC TENNESSEE Blountville, TN Clarksville, TN Collegedale, TN Gallatin, TN Johnson City, TN Knoxville, TN Memphis, TN Morristown, TN Murfreesboro, TN Nashville, TN TEXAS Abilene, TX Arlington, TX Austin, TX Beaumont, TX Brownsville, TX Commerce, TX Corpus Christi, TX Dallas, TX Denison, TX El Paso, TX Houston, TX Huntsville, TX Laredo, TX Lubbock, TX Lufkin, TX Mesquite, TX San Antonio, TX Victoria, TX Waxahachie, TX Weatherford, TX Wichita Falls, TX UTAH Cedar City, UT Kaysville, UT Logan, UT Ogden, UT Orem, UT Salt Lake City, UT VIRGINIA Daleville, VA Fredericksburg, VA Lynchburg, VA Manassas, VA Norfolk, VA Roanoke, VA Salem, VA Staunton, VA Suffolk, VA Virginia Beach, VA Wytheville, VA WASHINGTON Auburn, WA Bellingham, WA Bremerton, WA Ellensburg, WA Ephrata, WA Olympia, WA Pasco, WA Rockingham, WA Seattle, WA Shoreline, WA Spokane, WA WEST VIRGINIA Ona, WV WISCONSIN La Crosse, WI Milwaukee, WI Mukwonago, WI

WYOMING Casper, WY Laramie, WY Torrington, WY CANADA ALBERTA Calgary, AB Edmonton, AB Fort McMurray, AB Lethbridge, AB Lloydminster, AB Olds, AB Red Deer, AB BRITISH COLUMBIA Abbotsford, BC Burnaby, BC Castlegar, BC Delta, BC Kamloops, BC Nanaimo, BC Prince George, BC Richmond, BC Surrey, BC Vancouver, BC Victoria, BC MANITOBA Brandon, MB Winnipeg, MB NEW BRUNSWICK Bathurst, NB Moncton, NB NEWFOUNDLAND AND LABRADOR St. John’s, NL NOVA SCOTIA Halifax, NS ONTARIO Brockville, ON Hamilton, ON London, ON Milton, ON Mississauga, ON Niagara-on-the-Lake, ON North Bay, ON North York, ON Ottawa, ON Toronto, ON Welland, ON Windsor, ON QUEBEC Côte Saint-Luc, QB Montreal, QB SASKATCHEWAN Melfort, SK Moose Jaw, SK Nipawin, SK Prince Albert, SK Saskatoon, SK YUKON TERRITORY Whitehorse, YU UNITED KINGDOM Elgin, UK GHAZNI Kingdom of Bahrain, GHA Thomasville, GHA EGYPT Cairo, EG JORDAN Amman, JOR NEW ZEALAND Taradale, NZ

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uying a vehicle is a significant purchase. Consumers want to be sure the manufacturer has tested its safety and reliability. But few consumers would think about the equipment that tests the vehicle’s components. Lynch Fluid Controls worked alongside a well-known truck-suspension designer to build a device for testing and validating new truck-suspension designs. The machine simulates road conditions that would stress a truck

IN A TRUCK SUSPENSION suspension as it travels from uneven roads to smooth expressways with high breaking and acceleration side loads. The project took on a variety of elements beyond strictly hydraulics. The unit has a customized PLC with GUI operating system for ease of set up and control. The operator can input test parameters, specifying amplitude, frequency, and loading condition for the two main cylinders. During set up the operator can manually jog the system to check the settings and parameters on the PLC.

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By Valerie Chhokar, Marketing Manager, Lynch Fluid Controls

The hydraulics involved in this unit includes four cylinders – two closed loop hydraulic cylinders that control the full range of motion and two additional cylinders for side loading. The two side-loading cylinders are manually set for side-loading conditions at the beginning of each test. Hydraulics was mandatory in the design of this unit due to the range of force necessary to conduct the testing (over 20,000 pounds loading per cylinder) and the cyclical frequency (up to 10 Hz). Other components required to complete the unit included a Kawasaki pump capable of 20 gpm (76 lpm) and system pressures up to 3,000 psi (207 bar), which supplied the control system; two 3¼-inch (9.5-cm) bore cylinders with 9-inch (23-cm) stroke and linear position sensor feedback, each controlled by an ATOS proportional valve; and a Delta motion controller. These provide full-stroke cyclical control in both symmetrical and asymmetrical sinusoidal loading at speeds from 4 inches (10 cm) per second, and up to 10 Hz for very low amplitude frequency. Two additional 4-inch (10-cm) stroke cylinders provide up to 10,000 pounds (4,536 kg) side loading.

For the electronic components of this device, two ATOS proportional valves with on board electronics were connected to a Delta motion controller. This simplified the valve to electronic integration and closed the loop on the cylinder position feedback. A control panel and PLC with a customized operator GUI completes the system. The final product came together using 3D CAD files to expedite the system assembly and eliminate fit issues. Lynch’s engineering team was involved every step of the way to guarantee that the OEM’s frames, customized hydraulics, and the variety of other component were seamlessly integrated into the final product. The end result was a simple design that kept the test equipment cost effective with the capability to interface into an existing data acquisition system. So when consumers are in the market for a new car or truck, they can be assured of the machinery that goes into developing a safe, reliable vehicle – even if they don’t think about it. 

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COVER STORY

F

PREDICTIVE

INTELLIGENCE AND MONITORING

KEEPS PNEUMATIC COMPONENTS RUNNING By Jeremy King, Product Manager for Vacuum and Sensing, Bimba

or more than a century, workplace managers have pondered and proposed processes to increase productivity. From Taylorism, which applied scientific methods to analyze the most efficient production processes, to lean manufacturing and the Industrial Internet of Things (IIoT), the struggle to meet production targets and reduce downtime has been an ongoing challenge. A fundamental problem has been that machines running at maximum loads to increase productivity are more likely to break down. These breakdowns affect operational efficiency and severely reduce company profits. Some operations managers have accepted the inevitability of downtime and enable a reactive mode in which they try to figure out what went wrong – after it has already gone wrong. Others have shifted to conducting preventive maintenance by changing components such as cylinders on a regular basis, even when they suspect they’re replacing parts in perfectly good condition. The time and money they devote to these efforts seems tolerable when compared to the possible costs if the components fail, resulting in downtime. In the last few years, advances in sensing technologies have produced intelligent, small, networkable, embedded devices to dramatically enhance overall equipment effectiveness while shortening production cycles. These sensors report a range of data, such as cylinder condition, stroke time, end-of-travel pressure, and temperatures. Data and insights in real time enable remote monitoring, data logging, and production data monitoring for user analysis. The machine-to-machine technologies allow for close monitoring of individual components, giving users the insight needed to move from emergency repairs to proactive upgrades, optimizing production as a whole.

Solutions for the pneumatic circuit may be understood best by segmenting their functionality into levels of intelligence. LEVEL 1: Data collection. These basic sensors allow you to generate data to _ look back at what has happened to a machine. The sensors rely on the user to interpret the data after an event has occurred. With sensors, switches, and transducers delivering raw data from a machine, it is possible for a user to diagnose an issue, but this requires significant experience and expertise around the failure modes of a component. LEVEL 2: Real-time monitoring. Level 2 sensors take the data generated by level 1 _ sensors and begin to monitor it in real time. Instead of raw data, preventative maintenance tools analyze the data on the system as a whole and provide feedback about the interaction between components as it occurs. In addition to interpreting the generated data, level 2 sensor systems can provide remote access to the data, allowing users to see what is happening from anywhere in the world at any time. No longer do you need to walk out to the plant floor to check a gauge. Insights into production activities, such as instances where production rates drop, can be easily identified and diagnosed as they happen. LEVEL 3: Predictive monitoring. Level 3 sensors build on the data and insights _ of levels 1 and 2 sensors to predict how the machine or component will respond in the future. These predictive algorithms allow users to maximize the use of each component while continuing to avoid downtime. They will be alerted that a component is wearing down before it fails altogether, thereby potentially causing damage to the system, product line, or production schedule. Based on information obtained at the second level, users will be able to identify where there could be issues. Such actionable insights empower machines to actually adapt to maintain maximum efficiency. 18

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Practical implications for fluid power As users, we crave data. We have unlocked the passageways that lead us to any data we may want. But now we’re inundated. We’ve got information, but we lack the tools to understand it all. We have data, but we need insights. However, as the growth of IIoT expands the amount of data and insights generated, different users still require different insights. The information needed by the machine designer won’t always help the plant manager, whose understanding may differ from that of the MRO lead or the machine operator. What these users need are real-time insights; without them, useful results are hard to obtain. Fortunately, the need for precise and accurate performance-related insights has been matched by the emergence of technologies that can ensure reliable component performance and maximum uptime. Here are several outcomes that reflect the levels of functionality described above. _ Predictive prognostics. Up-to-date condition information allows hardware to predict when a cylinder will fail, increasing uptime. _ Remote monitoring. Using a network of smart devices, users can collect data and monitor machinery remotely, even from multiple locations. _ Machine efficiency. With real-time data, users can identify whether a component is achieving its desired performance specification. This is especially important in sequencing applications that rely on precise stroke rates. _ Maximizing production. For customers running machinery 24/7 or producing large value batches, advanced sensors can alert users to underperforming components, enabling proactive responses to maximum uptime. _ Monitoring regulator settings. Line pressure alerts can be used to monitor regulator and flow control settings, ensuring that operators do not run equipment at the wrong pressure. _ Operating the right-sized cylinder. By monitoring air leakage across the cylinder seals, it is possible to determine if the cylinder can be downsized. If excessive leakage is occurring and the cylinder still meets the needs of the application, it may be oversized. _ Detecting performance issues. Software featuring real-time monitoring can determine if there is another device on the circuit robbing air from an actuator, which can create inefficiencies and inconsistent production. WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

The need for performance-related insights has been matched by the emergence of technologies that can ensure reliable component performance and maximum uptime.

Data logging. More advanced data gateways allow users to log up to 100 GB of data on the performance of the cylinder. This data can be exported and applied to generate reports showing how well the cylinder performed for each cycle. _ Alerts. Maintenance leads and managers can be notified sooner of changes in performance, facilitating corrective action before the product is ruined. _ Cycle-count data. In many applications the number of times a cylinder has been actuated can be directly linked to the number of parts produced. Cycle-count data enables monitoring of the machines’ overall equipment efficiency (OEE). _ Monitor dwell time. In a clamp-and-hold application, the amount of time the object is clamped can be critical. A diverter can be added after the clamp operation to separate the suspect product. _ Modify machine performance. By monitoring the cycle time of a cylinder, a feedback loop can be created to ensure all subsequent operations remain in sequence. _ End-of-travel signal. With end-of-travel outputs, users can be informed when the cylinder stops moving in one direction or the other and, in some situations, eliminate the need for magnetic switches. With insights obtained from this advanced technology, cylinder design engineers, for example, can confidently recommend modifications to cylinders, such as switching to higher-temperature lubricants or adding rod wipers. Maintenance leads can more reliably _

schedule maintenance and more accurately document operating conditions. Quality control managers can more precisely monitor force being applied and track dwell time. Operations managers will be in a stronger position to monitor daily production, track average daily cycles, and calculate OEE. In short, different users value different data. It is critical that the right data is available to the right people at the right time. With ever-evolving technology advances, component manufacturers are turning data into insights, and ultimately optimizing processes and controlling machines to maximize performance of the environment. Predictive prognostics is benefiting a wide range of industries, including food processing, automotive, pharmaceutical, medical, packaging, and semiconductors. In being able to predict cylinder or valve failure, this technology is identifying when a fluid power component is achieving its desired performance specification. These advances are being leveraged by plant managers for small manufacturers as well as dedicated teams working for Fortune 500 corporations. We are now in the midst of the next generation of pneumatics. Sensors and monitoring devices focused on pressure-leak detection or energy savings are being enhanced by smart prognostic devices that encompass position, temperature, speed, and pressure leakage. All of this minimizes downtime, thus reducing one of the most frustrating challenges faced by manufacturers today.  DECEMBER 2020

19


WINTER LITERATURE REVIEW Aggressive Hydraulics | Purpose-Built Catalog

Aignep USA General Catalog

Every single hydraulic cylinder and component part from Aggressive Hydraulics is purpose-built in America to safely deliver for you. Aggressive Hydraulics is ISO 9001:2015 certified.

Easily identify the pneumatic component you are looking for with our Aignep USA General Catalog.

Purpose-Built Catalog Highlights: • Custom hydraulic cylinder solutions • Unique solutions • Pre-engineered hydraulic cylinders • Expanded component parts offerings • State-of-the-art manufacturing

This piece of literature highlights our pneumatic cylinders, valves, flow controls and pneumatic accessories, as well as our SWIFTFIT Universal Fittings and our MULTISOCKET Universal Quick-Disconnect coupler. All displayed in color along with our Aignep USA part numbers.

Want more information? We’re here to help. • Email: Sales@AggressiveHydraulics.com • Phone: 763-792-4000

Industrial Electrohydraulics

INDUSTRIAL ELECTROHYDRAULICS MASTER CATALOG

The new KTI catalog, available with 908 pages and 131 technical tables, gathers main industrial standard components of Atos production: · Proportional valves · Axis & P/Q controls · On-off valves · Pumps A leading line of electrohydraulic components, successfully applied in thousands of systems worldwide. Atos Cylinders & Filters have separate dedicated catalogues: KTC & KTF. All technical tables included in KTI catalog are available on www.atos.com

304 & 316 Stainless Steel Liquid Level Gages Corrosive resistant properties make stainless steel gages suitable to a variety of applications. Oil-Rite offers 304 and 316 stainless steel liquid level gages in sizes from 3" to 60". A red line on a white background enhances liquid level visibility. Available with adapters and thermometer. Visit Oil-Rite’s online product catalog for new cut sheets and detailed information. Oil-Rite Corporation PO Box 1207 Manitwoc WI 54221-1207 Phone: 920.682.6173 Email: sales@oilrite.com www.oilrite.com

20

SPECIAL AD SECTION

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Compressed Air Filtration Brochure offers a comprehensive overview of the company’s complete line of compressed air filtration products. Highlighted is the patented family of Extractor/Dryers. These two-stage, point of use filters remove contaminates to a 5-micron rating with flow ranges of 15 to 2,000 scfm. Additional products available include the SuperStar Membrane Dryer, .01 Micron Filter, Refrigerated Extractor/ Dryer, and much more. La-Man Corporation 800.348.2463 www.laman.com

Hydraulic Live Swivels Catalog Inline and 90° hydraulic live swivels. Available in sizes from 1/8" to 2-1/2", rated to 10,000 PSI, heat treated, superior quality alloy steel, chrome or stainless steel ball bearings, withstands heavy side loads, burnished (micro smooth) barrel bores, Viton®, Aflas®, or Teflon® encapsulated seals, zinc or nickel plated, available in 304 and 440 stainless steel, full flow - low pressure drop, rebuilding kits available. Super Swivels Phone: 763.784.5531 Fax: 763.784.7423 Website: www.superswivels.com

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TECH 2020 DIRECTORY Check out the online matrix at www.fluidpowerjournal.com

IMPROVED CYLINDER TECHNOLOGY PROVIDES: • Automation • Safety • Productivity • Repeatability • Reliability • Efficiency

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DECEMBER 2020

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TECH 2020 DIRECTORY 22

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TECH 2020 DIRECTORY

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TECH 2020 DIRECTORY 24

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Inserta

Stainless Steel Check Valves Thread-in Type

 Robust Guided Disc Technology

 6000 PSI Maximum Working Pressure

INSERTA® PRODUCTS Blue Bell, PA • www.inserta.com © 2019 Inserta® Products, Inc.

TECH 2020 DIRECTORY

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DECEMBER 2020

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We have a complete line of: Hydraulic & Industrial hose, couplings, & accessories in stock & ready to ship!

TECH 2020 DIRECTORY

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TECH 2020 DIRECTORY

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TECH 2020 DIRECTORY 28

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TECH 2020 DIRECTORY

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Coming Soon to fluidpowerjournal.com!

RAISING THE BAR a new column by Dan Helgerson, FPJ’s technical editor. A fluid power professional for more than forty years, Dan holds several certifications from the International Fluid Power Society.

TECH 2020 DIRECTORY

In Raising the Bar, Dan addresses the fluid power community with an eye toward stirring conversation about the industry’s challenges in the 21st century.

Addressing assumptions … Encouraging innovation … Advocating efficiency … Raising the Bar

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Reach attendees at industry events via Fluid Power Journal’s geo-fencing program. Through geo-fencing you will be able to tap into a highly targeted audience of potential clients who are actively in the market for your products and services. With geo-fencing we are able to create a virtual geographic boundary around an area by means of GPS or RFID technology. We are then able to serve your digital marketing message to people that enter this virtual fence and have their mobile location services turned on. Contact your FPJ sales rep for more information.

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P RO D U C T R E V I E W

Endress+Hauser Launches New Generation of Thermal Mass Flowmeters

»REVIEW 1:

SWISS COMPANY ENDRESS+HAUSER, a supplier of measurement instrumentation, services, and solutions for industrial process If you are lowering a vertical load, the best engineering, recently launched a line of Proline solution to control cylinder speed would be: t-mass F/I 300/500 flowmeters.

a. Meter-out.

The thermal mass flowmeters measure pure gases and gas mixtures, and each has numerous alarm functions as well as bidirectional measurement capability and reverse-flow detection. Applications for the flowmeters include research and development labs, measuring flare stack and flue gases, and utilities with compressed air, oxygen, nitrogen, or argon. When combined with the comprehensive functionality of the Proline 300/500 transmitters, such as WLAN and configurable I/O, applications can include process control, quantity measurement, leak detection, cost allocation, and energy management. Even when process and ambient conditions significantly fluctuate, t-mass ensures high measurement accuracy (±1.0%) with excellent repeatability (±0.25%). Gas flows with low pressure and a low flow velocity can also be measured a high turndown Pumps easily · Motorsthanks · Valvesto· Servo/Proportional ratio. The design makes it possible to operate

WANTED SURPLUS

the device over the long term with minimal maintenance. t-mass F and I can operate at process temperatures up to 356°F (180°C) and pressures up to 580 psi (40 bar). The t-mass 300/500 measuring system was developed in accordance with IEC 61508, SIL 2, and can be used in safety-related applications. Any device or process errors that may occur are indicated and clearly categorized to NAMUR NE107 standards. The t-mass CL A S S I300/500 FIEDS is equipped with alarm functions for immediately detecting unwanted condensate drops on the sensor or pulsating flow,INTEGRATED and it can measure CIRCUIT and account for gas flows in both flow directions MANIFOLDS 1948with and detect reverse gas flows. SINCE It is equipped Heartbeat Technology – enabling permanent Celebrating OVERdiagnostic 70 YEARS self-diagnostics with the highest covin Fluid Power erage – as well as metrologically traceable device verification without process interruption. • Expedited deliveries • Cartridge Valves in stock Threeinformation, dimensional design • Ductile iron, aluminum, stainless For•more visit https://eh.digital/t_mass_us. • Assembled & Tested

b. Meter-in. c. Pressure regulator. d. Pressure compensated flow control upstrweam of the directional control valve.

HYDRAULIC FLANGES e. Pilot operated check valve.

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Email, call or fax with a list of your Surplus. We’ll provide you with a price offer! 1-800-422-4279 | 586-949-4240 Fax: 586-949-5302 | surplus@hydraulex.com

and COMPONENTS

REVIEW 2: YOU WANT IS THE “SPECIAL”

A speed control on the exhaust ports of a 5/3 PROBABLY ON OUR SHELVES directional control valve: a. Requires both speed controls to be MAIN Mfg. Products, adjusted to the same setting. Inc. b. Requiresfaxa 810.953.1385 reverse flow check valve only 800.521.7918 www.MAINMFG.com/fpj for the cap end of the cylinder. c. Requires a reverse flow check valve only for the rod end of the cylinder.

HYDRAULIC FLANGES and COMPONENTS THE “SPECIAL” YOU WANT IS PROBABLY ON OUR SHELVES

d. Does not require a reverse flow check ADVERTISER INDEX MAIN Mfg. Products, Inc. valve. Company........................................Page.......................... Phone. .....................................................Web e. Requires a meter-in speed control. 800.521.7918 fax 810.953.1385 www.MAINMFG.com/fpj Aggressive Hydraulics.........back cover, 20...................866-406-4100..............www.AggressiveHydraulics.com Aignep USA..........................inside front, 20...................615-771-6650................................. www.aignepusa.com Ammega..................................................... 3................. 630-752-0600 ........................ www.JasonIndustrial.com  ADVERTISERS INDEX Atos SpA............................................... 1, 20.......................................................................................www.atos.com Company ...................................................................... Page .............................. Phone...........................................................Web DELTA Computer Systems Inc.................. 9................1-360-254-8688. ....................................... deltamotion.com Ace Controls Inc. ........................................................................ 53....................... 800-521-3320.............................................. acecontrols.com Festo back................1-800-993-3786. ............................................. www.festo.us AEM -Corp.................................inside IFPE .................................................................... Inside Back........................................................................................................... ifpe.com Aggressive Hydraulics ............................................................ 5, 41....................... 866-406-4100...............................aggressivehydraulics.com Flange 3...................203-861-9400. ................................ www.flangelock.com AignepLock................................................ USA.................................................................................. 12....................... 615-771-6650 .................................................aignepusa.com Almo Manifold & Tool Co. ........................................................... 55....................... 989-984-0800...........................................almomanifold.com Hydraulics, Inc............................................ 8...................817-923-1965. ........................... www.hydraulicsinc.com Ametek Automation and Process Technologies....................... 10....................... 248-435-0700 ......................................................ametek.com Anchor Fluid Power .................................................................... 11....................... 513-527-4444..................................... anchorfluidpower.com La-Man Corp............................................. 20...................800-348-2463 ....................................... www.laman.com Assured Automation ................................................................... 21....................... 800-899-0553 ................................ assuredautomation.com AZ Pneumatics LLC .....................................................Inside Front....................... 781-796-0016 ...........................................azpneumatics.com Main Manufacturing Products Inc........... 7................1-800-521-7918. ............................ www.mainmfg.com/fpj Bucher Hydraulics GmbH ........................................................... 23....................... 413-367-6111.............................. .bucherhydraulics.com/AX CEJN Industrial Corp. ................................................................. 33....................... 847-263-7200 ........................................................... cejn.com Oil-Rite Corp.............................................. 20...................920-682-6173..........................................www.oilrite.com DELTA Computer Systems Inc.................................................... 20....................... 360-254-8688.............................................. deltamotion.com Dura-Bar ....................................................................................... 34....................... 818-338-7800 .....................................................dura-bar.com Rota Engineering Ltd................................. 8...................972-359-1041.....................................www.rota-eng.com Emerson Automation Solutions/ASCO ...................................... 29....................... 314-553-2000...............................emerson.com/automation Flange Drive Lock ................................................................................. 17....................... 203-861-9400 .................................................flangelock.com Stiebel Technology......................... 11...................864-286-7152. ..........www.StiebelDriveTechnology.com Flow Ezy Filters Inc ..................................................................... 39....................... 800-237-1165............................................ flowezyfilters.com Suco Inc............................ 11................1-800-473-7313. ................................. www.suco-tech.com FluidTechnologies Motion Sales ...................................................................... 44....................... 800-677-1016 ...................................... fluidmotionsales.com Fluidyne Fluid Power ............................................................... 3, 55....................... 586-296-7200..................................................fluidynefp.com Super 20................1-763-784-5531. ............................www.superswivels.com HengliSwivels........................................... America ..............................................................Back Cover....................... 630-995-3674 .......................................... hengliamerica.com Hydraulex Global ............................................................. 36, 38, 55....................... 800-422-4279.................................................. hydraulex.com Tele Radio International LLC............................................ 5...................866-629-0780. ........................... WWW.TELERADIO.COM Hydraulics Inc........................................................ 31....................... 818-407-3400 .....................................................hiigroup.com Hydraulics, Inc. ............................................................................ 12....................... 817-923-1965........................................... .hydraulicsinc.com IFPE 2020 ..................................................................... Inside Back....................... 800-867-6060............................................................ ifpe.com Inserta ...................................................................................... WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM 9, 38....................... 215-643-0192.......................................................inserta.com Inventive Resources Inc. ............................................................. 31....................... 209-545-1663.......................................................... oiln2.com Kuriyama of America .................................................................. 37....................... 847-755-0360...................................................kuriyama.com

Phone: 989.984.0800 Toll Free: 1.877.ALMO. NOW CL ASSIFIEDS Fax: 989.984.0830

We're Hiring If you enjoy the challenge of diagnosing and repairing fleet equipment such as bucket trucks, boom trucks, and cranes, then LCRA has an opportunity for you as a Aerial Equipment Mechanic Sr. The Aerial Equipment Mechanic Sr. is responsible for performing repairs and maintenance on aerial devices, material handling equipment, and other hydraulic equipment. Additionally, will also inspect, repair, and maintain hydraulic tools and off-road construction and digging equipment. Applicants should have the following qualifications: Four or more years of experience in mechanical or hydraulic maintenance. A degree(s) in mechanical maintenance or relevant field may be substituted. Please email resumes to tonell.broaders@lcra.org

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Phone: 989.984.0800 Toll Free: 1.877.ALMO. NOW Fax: 989.984.0830

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to877-245-6247 Test Your Skills on page 11 is c.

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04  No.

09  None of These

2. What is your primary job title? (check only one) 10  Administration: Chairman, President, V.P., Secretary, Treasury, General Manager, Owner, Business Manager, Director, etc. 11  Plant Operations: VP of Manufacturing/ Operation/ Production, Plant Management/ Director/ Manager/ Supervisor/ Superintendent/ Foreman/ Safety Director, etc. 12  Engineering: V.P. Eng., Eng., Design Eng., Director of Eng., Staff Specialist, Chief Eng., Senior Eng., Maintenance/Production Eng., etc. 13  Technical: Chief Tech., Fluid Power Tech., etc. 14  Mechanical: Chief Master Mech., Master Mech., Fluid Power Mech., etc. 15  Purchasing: VP/Director of Purch., Procurement Manager, Buyer, Purch., etc. 16  Other: (please specify)_________________________________________________________________________________________________ 3. Number of employees at this location? A  1-19 B  20-49 C  50-99

D  100-249

E  250-499

F  500-999

4. What is the primary business activity at this location? In the Fluid Power Industry, Outside the Fluid Power Industry 56  Manufacturer 57  Distributor 58  Education 59  Original Equipment Manufacturer (OEM) 61  Other: (please specify)__________________________________________ 5. Which of the following best describes your market focus? A  Aerospace A  Marine & Offshore Equipment B  Agricultural Machinery B  Material Handling Equipment C  Automotive C  Mining Machinery D  Civil Engineering D  Packaging Machinery E  Cranes E  Plastic Machinery F  Drills & Drilling Equip. F  Presses & Foundry G  Flame Cutting/Welding Equip. G  Railroad Machinery H  Food Machinery H  Road Construct/Maint. Equip. I  Forestry I  Simulators & Test Equipment J  Furnaces J  Snow Vehicles, Ski Lifts K  Gas & Oilfield Machinery K  Steel Plants & Rolling Mills L  Heavy Construction & Equip. L  Truck & Bus Industry M  Military Vehicles M  Textile Machinery N  Construction & Utility Equip. N  Woodworking Machines O  Machine Tools O  Other (specify)_____________ P  Government Related P  Fluid Power Industry

G  1000+

60  End User of Fluid Power Products

MY COMPANY SHOULD BE ADVERTISING IN OR SUBMIT AN ARTICLE TO THE FLUID POWER JOURNAL. PLEASE CONTACT THIS PERSON: NAME:_ _____________________________________ TITLE:_______________________________________

SCAN HERE

PHONE:_____________________________________


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Fluid Power Journal December 2020  

fluid power, hydraulics, pneumatics, leaking hydraulics, tech directory, logic valve circuits

Fluid Power Journal December 2020  

fluid power, hydraulics, pneumatics, leaking hydraulics, tech directory, logic valve circuits