Fluid Power Journal June/July 2020

JUNE/JULY 2020

www.fluidpowerjournal.com

MANUFACTURERS DIRECTORY ADDING HYDRAULIC FLUID TO THE RESERVOIR p.44

AVOIDING CONTAMINATION IN HYDRAULIC SYSTEMS

p.16

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

To Optimal Air-Preparation Performance

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IN THIS ISSUE

8

JUNE/JULY 2020 VOLUME 27 • ISSUE 6

Features 8 Fluid Power Professionals' Day 10 Nine Tips to Optimal

Air-Preparation Performance 13 Aignep USA Launches

NFPA Cylinder Configurator 16 Avoiding Contamination in

Hydraulic Systems

Microscopic Particles Can

Cause Catastrophic Failure

22

22 Changing the Way You

Cut Chain: The New Series

of Enerpac Chain Cutters

Promises to Improve Safety

and Productivity 44 Adding Hydraulic Fluid

to the Reservoir

Departments

13

4

Notable Words

6

Air Teaser

14 Literature Review 19 IFPS Update

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.

24 Product Review 26 Manufacturers

Directory Listing

43 People in the News 46 NFPA Update 47 Classifieds

CELEBRATING 60 YEARS

N OTA B L E WO R D S

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

Succeeding in Hydraulics Certification Exams

By Dan Fernandes, CFPS, Sun Hydraulics

»

IT WAS 9:00 a.m., Oct. 10, 2012. I was fresh out of college and four weeks into my fluid power career. I saw a dozen of my new colleagues around the room diligently working on pressure and flow calculations while I was pondering the true meaning of psi. We were sitting for the hydraulic specialist exam, administered by the International Fluid Power Society.

This was an intense introduction to hydraulics. Torque calculations, work profiles of mechanically loaded beams, ISO cleanliness vocabulary—this was information overload for a new guy like me! Three hours later I found myself praying that I answered 35 of the 50 questions correctly. A few weeks later, I learned that I had correctly answered only 34.

I thought I had been well prepared for the exam. I had done every review test in the back of the Hydraulics Specialist Review Manual. I completed the online pretests. I even made sure that I fully understood each practice question in the review manual.

What I learned about the hydraulics specialist exam was that practicing the review questions is not enough to earn the designation of hydraulics specialist.

Two years later, with hands-on experience and a much better understanding of hydraulic vocabulary, I sat for the exam again. This time, I was very pleased to receive a passing mark.

Since that time, I have been able to help others prepare for the hydraulic specialist exam. I’d like to share some advice that could help you pass the exam on the first try.

1. Don’t just study the practice questions in the review manual. Read the review manual cover to cover. It is loaded with valuable information that will help you understand each component in a hydraulic system and how they are used together.

2. If any single topic in the review manual is unclear or challenging, ask your colleagues to help you understand the topic, then explain it back to them. To become a hydraulics specialist, in-depth knowledge is required.

3. Practice the fluid power math problems often, changing the givens, unknowns and the units of measure so that you can do the problems forward and backward.

4. Give yourself time to find relationships between your daily work and the study materials.

5. Seek out additional fluid power education materials on YouTube, component manufacturers' websites, and the IFPS.org Training/Resources page at www.ifps. org/training-materials, where you can find animated circuits, symbology flash cards, and online study groups led by accredited instructors.

6. Spend hours studying and practicing alone. Study groups are powerful and effective, but you will be alone on testing day, so be sure to have that experience of working through questions by yourself.

Good news! The same principles can be applied to complete the pneumatics and electronic-controls specialist exams to earn a fluid power specialist designation.

IFPS is a wonderful group of professionals in our “hidden giant” of an industry. It is not hard to find a helping hand or a new friend. I wish you the best of luck in your career and certifications.  4

JUNE/JULY 2020

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 Western Region Acct Executive: Michelle Gangwer 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 - CAD Control Systems 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 - Argo-Hytos 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

MAKING A DIFFERENCE

FOR YOUR BUSINESS Our cutting-edge line of hydraulic hose and fittings is not just a product division. It’s a promise of superior service, quality, technical support and availability. We’ve built our company on impeccable customer service. Let us know how we can make a difference for your business. call 800.231.7116 or email sales@texcelrubber.com

AIR TEASER PRODUCED BY AN AUTODESK STUDENT VERSION

New Problem:

By Ernie Parker, CFPAI, CFPSD, CFPS, CFPMM, CFPMT, CFPMIP, CFPMMH, CFPMIH

»

MANY SMALLER INEXPENSIVE air compressors have a hard time starting up under pressure, especially in a cold building. A check valve right at the tank inlet bleeding down the line between the compressor and the air tank will make an easier startup, providing the line is properly sized. The problem gave you the following: 850 Nlpm (30.017 SCFM) @ 1000 rpm 3.73 KW (5 hp) not needed information 19 mm (.748”) diameter tubing 500 mm (19.685”) long .7 MPa (101.5 psi) in the air tank 0 pressure in the line No change in temperature Calculate the pressure in the air line between the compressor and the check valve after just one revolution of the compressor starting up.

S

olution to the April 2020 Problem: Building a Windmill

HP = FA x MPH³ / 150,000 FA = Frontal Area in square feet HP = Horsepower 10² x .7854 = 78.54 sq. ft. (FA) HP = 78.54 x 15³ / 150,000 = 1.767 HP Adjusting for efficiency 1.767 x .25 = .44 Useable HP (.58 Kilowatts) Calculate the pressure in the HP = CFM x PSI / 229 air line between the compressor .44 x 229 / 100 PSI = 1 CFM and check valve after one Converting to SCFM = CFM x CRjust (compression ratio) revolution the orcompressor CR = (PSI + 14.7)of/ 14.7 CR = (MPA + .1)starting / .1 up.+ The (100 14.7) /line 14.7 has = 7.8 been bled down to 0 MPa (0 psi) 100 PSI x 7.8 = 7.8 SCFMand the air tank contains

1 MPa (101.5 psi) of air pressure.

NOTE: This would be equal to 1,119.8 BTUs if converted to heat, however Given:in reality this number could be higher because the inefficiency also(30.017 be converted to heat. Doubling diameter of 100 Nlpm SCFM) @ 1000 the rpm the windmill 3.73 KWwill (5increase hp) the volume by four times. Doubling the wind will increase the volume by eight times.

19 speed mm (.748") diameter tubing

500 mm (19.685") long tubing

PRODUCED BY AN AUTODESK STUDENT VERSION

PRODUCED BY AN AUTODESK STUDENT VERSION

Starting an Air Compressor Under Pressure

Many of the future challenges will use information from the new No change in temperature.

IFPS Handbook.

Visit www.fluidpowerjournal.com to view previous problems.

L:\Air Teaser June 2020.dwg, 4/6/2020 7:39:16 AM, DWG To PDF.pc3

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Of Quality

A DIFFERENT WAY TO CELEBRATE YOUR DAY! Fluid Power Professionals’ Day is June 19. It’s a day to acknowledge everyone in our industry. In honor of our industry in today’s world, the IFPS will make a $250 donation to FeedingAmerica.

With social distancing prevalent, we realize you will not be celebrating this year with company barbeques, pizza and cake as you have in the past. So instead, let’s celebrate the actions that many of you and your companies have accomplished to relieve the country’s pandemic issues.

WE’D LIKE TO HEAR AND PUBLISH YOUR STORIES AND PICTURES. • Has

someone from your company volunteered in your community to help with the crisis?

• Has

your company produced needed products to relieve shortages? your company refitted its operation to help with short • Has

age production?

Email your story to Adele Kayser, akayser@ifps.org by June 10.

8

JUNE/JULY 2020

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TIPS TO OPTIMAL AIR-PREPARATION PERFORMANCE

By Charles Werdehoff Air-Preparation Product Manager, Norgren

Pneumatic-equipment warranties are often valid only if you are using clean, dry air, which suggests air-preparation equipment is essential in today’s manufacturing environment.

Here are nine tips to help you achieve optimal performance for air-preparation products.

OW EZY FILTERS Magnetic Filtration

2

FILTERS REGULARLY. 1 MAINTAIN

Cleaning filters as a standard maintenance operation helps reduce pressure drop and save compressor costs over time. Clogged filters lower the efficiency of your compressor, limit the flow of air through lines and generally increase energy costs. Having filter elements cleaned or replaced regularly is a first-line function of maintaining your air-pressure system.

Use the right filter.

There are several types of contaminants present in a compressed air line. The most common are particulate, water and oil. Which filter you select depends on the requirements of your application. General-purpose filters remove particulate and liquid water.

Nearly all pneumatic applications need a general-purpose filter; dirty or wet air is never good for a system. Coalescing-oil-removal filters eliminate liquid oil as well as extremely fine particles (down to 0.01 microns). Vapor-removal filters remove oil vapor, helping to reduce systemic odors. Odor is eliminated when oil vapor is removed.

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3

INSTALL AUTOMATIC CONDENSATE DRAINS TO YOUR AIR SYSTEM.

Dumping water easily and regularly from your compressed-air system reduces the chances of water carry-over. Contaminants can enter an air system in multiple areas, which means drains must operate properly for filters and separators to be successful in completing their task.

This reduces operating costs as well as the need for filter maintenance. If the liquid isn’t drained from the bowl before it reaches a certain level, the liquid will be pulled into the system.

Installing an auto-drain, which drains once liquid reaches a certain height, is preferable to using a manual drain because it is a fit-and-forget option.

4

liquid won’t relieve onto the floor), a dangerous gas (so that the gas doesn’t relieve into the environment or where employees might be) or an expensive gas (which you would not want emptied if there is a small leak across the regulator). Finally, when setting the regulator, always set it with the pressure increasing. This means if you inadvertently overshoot your set pressure, you should bring it back down 15 to 10 psi below set pressure and then back up to the set pressure.

SURE TO EMPLOY PRESSURE AND FEEDBACK. 6 BESWITCHES

Continual monitoring and control of the pressure in your air system is key when trying to manage energy use and efficiency in your processes. Pressure monitoring devices such as pressure gauges and pressure switches are key components for this critical aspect, as they can provide accurate pressure feedback and adjustment information.

Providing this level of control, along with other tips in this article, will help your equipment last longer and deliver the results you need for a long time.

Use metal filter bowls for high-pressure applications.

Although metal bowls are commonly offered as an option or accessory for filters, they can also add an additional layer of protection to your system, particularly when pressures are very high or when there is a risk of chemicals or solvents entering the compressed air. Some chemicals and solvents attack and weaken plastic or polycarbonate bowls. Consider your application as well as the environment when deciding on this option. If you have concerns, opt for safety.

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Variation in your application’s processes can cause a variety of problems. By installing pressure regulators, you can hold the outlet pressure constant even while inlet pressure fluctuates, which reduces variations in your process. Most applications benefit from a relieving regulator, which keeps the set pressure even when additional pressure is introduced downstream. A relieving regulator also allows you to reset pressure by reversing the knob if you overshoot your set pressure during initial setup.

Nonrelieving regulators are typically used when the media is a liquid (so that when outlet pressure increases above the set pressure, WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

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Assemblies for Duplex Filtration

Coming Soon!

INSERTA® PRODUCTS Blue Bell, PA • 215.643.0192 www.inserta.com © 2020 Inserta®Products

7

EMPLOY SHUT-OFF VALVES TO PROVIDE SAFETY DURING MAINTENANCE AND REPAIR OPERATIONS.

One of the most under-used products in the industry is a shut-off valve that can also be locked out while personnel are performing maintenance and repair on your compressed-air system. It is best practice to use multiple padlocks that require both the area supervisor and the maintenance person to unlock the shut-off valve once they agree the system is safe to be turned back on.

8

Employ lubrication as part of your maintenance solution.

It is not news to maintenance and engineering teams that proper lubrication can help equipment last longer, particularly in stressful and dynamic operations. When it comes to your compressed-air valves and cylinders, proper and regular lubrication can greatly extend the life of your equipment. Even on unlubricated or prelubricated valves and cylinders, using a lubricator will extend the life of the units by three to four times. If your application has intricate piping or the lubricated air needs to travel uphill, a microfog type of lubricator must be used.

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Wear is a major concern for your compressed-air system components. Hard starts put far more strain on your system than you might think. By simply incorporating soft-start valves, also called smooth-start valves, you greatly reduce startup wear by multiples. Furthermore, soft-start valves increase the safety of the system. Injuries can occur if people are near equipment that moves or snaps into place when air is introduced to the system.

A soft-start valve will slow those movements and ease the system into operation. 

WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG

QUALITY HYDRAULIC HOSE & ACCESSORIES NEW

Kuriyama Hydraulic Connections Catalog • Includes new Alfabiotech extra flexible and bio oil resistant hydraulic hoses. • New Flexor TR4XF extra flexible SAE 100 R4 oil return hose.

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A Complete Line of Thermoplastic Hydraulic / Specialty Hoses & Fittings

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ignep USA, a manufacturer of pneumatic components, in March launched a new configurator for its line of NFPA cylinders. A function of Aignep USA’s website, the cylinder configurator lets customers provide specs for the cylinder they need, then provides a downloadable computer-aided design (CAD) model of the cylinder.

Prior to launching the cylinder configurator, Aignep USA had to email customers the CAD files after receiving requests by phone or email. With the new configurator, engineers configure the NFPA cylinder they need and download a 3D CAD model to spec into their designs, right from the website. The self-select method delivers customers the product model with the accurate part number and metadata built into the model. In addition, the configurator gives customers native outputs to more than 150 CAD and imaging formats, including PDF product data sheets with 3D interactive previews of the exact product.

“We want to make it really easy for engineers to customize the cylinder they need. They can go in and get the exact bore and stroke they want, with any accessory, and get the product download instantly,” said Corey Edmonson, marketing specialist at Aignep USA. Headquartered in Fairview, Tenn., Aignep USA is the North American branch of the Italian manufacturer Aignep, which specializes in building pneumatic components, including universal push-to-connect fittings, valves, cylinders, couplers, pneumatic accessories and more.

The configurator was built by CADENAS PARTsolutions, which provides centralized 3D parts libraries and 3D product catalogs with digital CAD download technology. 

For more information, visit https://www.aignepusa.com/ and https://partsolutions.com.

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NEW

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SPECIAL AD SECTION

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An updated product catalog is available as an interactive pdf version on the Adaconn® + Inserta® website, and is the most up to date resource for new product offerings.

SUMMER

New assemblies, including assemblies for duplex filtration circuits, are planned for 2020. The interactive catalog will be updated throughout the year as this and other new products are introduced.

LITERATURE REVIEW

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Aignep Quick Reference Catalog

Quality Hydraulic Pumps, Motors and Valve

AIGNEP USA

FLUIDYNE FLUID POWER

Easily identify the pneumatic component you are looking for with our Aignep Quick Reference Catalog.

FluiDyne Fluid Power provides high quality new and remanufactured hydraulic pumps, motors and valves to the fluid power industry. With our large scale inventory, and streamlined shop, most of our products ship within one day. All of our products are always fully tested and a test report is enclosed with each shipment. FluiDyne is an ISO 9001:2015 company and has 30+ year history of supply and service to the distributors, repair shops and OEM’s using hydraulic components.

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Hydraulex Product Line Overview

Product Line Overview

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Air Driven Gas Boosters

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Flow Meters

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Package Systems

Hydraulics International, Inc. is a leading manufacturer of air and electric driven gas boosters, air driven liquid pumps, air pressure air amplifiers, high pressure valves, turbine flow meters and packaged systems. Our products offer the most comprehensive range of models to the fluid power industry whether is measured by ultimate pressure, discharge flow rate or fluid compatibility.

Request a FREE copy today!

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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.

New 120 page catalog includes popular styles of MAIN Manufacturing’s extensive offering of carbon and stainless Hydraulic Flanges and Components – ready for immediate shipment. Metric ordering information, weld specs, and dimensional information included. The “Quick Reference Guide” helps specify less popular items often stocked or quickly manufactured (generally 3-4 days) at our US plant.

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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.

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NEW XD5

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Hydraulic Live Swivels Catalog

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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.

Yates Industries, Inc. 23050 Industrial Dr. E. St. Clair Shores, MI 48080 Ph: 586.778.7680 Fax: 586.778.6565

Super Swivels Phone: 763.784.5531 Fax: 763.784.7423 Website: www.superswivels.com

Yates Georgia 7750 The Bluffs Austell, GA 30168 Ph: 678.355.2240 Fax: 678.355.2241

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Oilgear has nearly 100 years of experience manufacturing hydraulic pumps, valves and systems for heavy duty applications around the world.

Concentrated on industrial, mobile equipment and oil and gas markets, we offer the most advanced engineered solutions, setting the standard for precise, high-performance hydraulic products. No matter the application, no matter the terrain, Oilgear can take on the challenge.

All Designs, All Sizes, One Result.

Yates Cylinders – an ISO-9001:2015 company with facilities in Michigan, Alabama, Georgia, and Ohio – Yates is your top-quality supplier for all cylinder applications. Hydraulic, pneumatic, NFPA, mill grade, or custom engineering – you name it, Yates can handle it. Complete catalog available. We also maintain an unmatched repair program used by the biggest names in the American Industry.

Yates Alabama 55 Refreshment Place Decatur, AL 35601 Ph: 256.351.8081 Fax: 256.351.8571

Yates Ohio 707 Mary Etta Street Middletown OH 45042 Phone: 513.217.6777 Fax: 513.217.5777

JUNE/JULY 2020

15

IT

AVOIDING CONTAMINATION IN HYDRAULIC SYSTEMS MICROSCOPIC PARTICLES CAN CAUSE CATASTROPHIC FAILURE

By Tony Casassa, Application Engineer, Aggressive Hydraulics

is a common scenario for machinery using hydraulic systems: a microscopic solid particle causes catastrophic failure of a component. According to industry experts, contamination causes 65% to 90% of all hydraulic-system failures. The malfunction may be intermittent, requiring extensive troubleshooting to identify the faulty component.

Once identified, the component must be removed for repair or replacement, another time-consuming and often messy task. During all this time, the machinery is out of service, resulting in lost productivity and profits. To prevent a recurrence, the source of the contamination is investigated, and often the cylinder is a prime suspect.

Due to relatively large internal volumes and manufacturing processes, new or repaired cylinders have developed a reputation for harboring destructive contamination. Consequently, when a sensitive valve or pump fails, the finger is often pointed at the cylinder manufacturer.

PREVENTING CONTAMINATION To prevent a hydraulic cylinder from contributing to the failure of other system components such as valves and pumps, the cylinder manufacturer must create and follow strict processes.

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STEP 3: REMOVE CONTAMINANTS THAT ELUDED PREVENTATIVE MEASURES.

The first step is to identify the type of contamination specific to the hydraulic-cylinder manufacturing process. There are three common contamination types.

Hard particles. Hard particles include various types of metal, such as steel, iron, bronze or aluminum, that may be generated during cutting, machining, grinding, or welding. It also includes dust and dirt. Airborne dust can settle on the surfaces of the internal cylinder components before assembly. Granular absorbents are especially troublesome because they swell and clump when oil is absorbed. Larger hard particles can cause sudden and severe damage, such as cutting seals and scoring metal surfaces. Smaller hard particles, also called “silt,” can be equally destructive, but they gradually cause wear and damage over a longer time period.

Soft particles. Sources of soft particles during cylinder manufacturing include rubber or urethane seals, composite bearings and cloth fibers. Soft particles typically cause failure by clogging orifices or small passageways.

Water. Water can be introduced from a humid environment or component parts that are not fully dried after cleaning. It can cause corrosion and microbial growth.

Before providing the complete cylinder to the customer, the last line of defense is to remove any contamination that eluded the preventive measures. Functional testing is standard to check for internal or external leaks and to ensure the cylinder provides the correct stroke. As the cylinder is cycled during the test procedure, hydraulic fluid flushes out contamination built into the cylinder.

While it is beneficial to remove particles from the cylinder, the result is a spike in the contamination level of the test-stand hydraulic fluid. To prevent contamination of future cylinders, the test-stand system must be equipped with hydraulic filters to remove the particles from the fluid.

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Available In BSPP

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Hydraulic-filter manufacturers have developed high-performance filter elements that are effective at removing microscopic particles, even down to 1 micron. The best strategy is multiple filters at different locations in the system.

Lint-free shop rags, disposable wipes and absorbent mats can limit soft-fiber contamination.

Heavy Duty Ball Bearing Design

Simplified hose configuration, less hose and adapters combine to reduce repairs and downtime cutting the overall cost of hydraulics.

STEP 2: STOP CONTAMINATION AT THE SOURCE.

After identifying potential sources, the cylinder manufacturer can take steps to prevent building contamination into the cylinder during the assembly process.

Although cutting and machining processes are necessary, the parts can be cleaned thoroughly. Work surfaces, storage locations and material handling devices can be kept free of dust, dirt and metal particles. Parts that have been cleaned can be kept in sealed plastic bags or covered with plastic to prevent recontamination.

Hydraulic Live Swivels Inline & 90°

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STEP 1: IDENTIFY CONTAMINATION TYPES SPECIFIC TO CYLINDER MANUFACTURING.

In order to confirm that the filtration system is functioning properly and removing the contamination introduced with each cylinder test, the cleanliness level of the test-stand fluid should be measured and monitored.

Quality Products Made In The U.S.A. Patent No. 5547233 Fax: 1-763-784-7423 Email: sales@superswivels.com

1-763-784-5531 www.SuperSwivels.com JUNE/JULY 2020

17

The most widely accepted standard is ISO 4406, which provides a three-digit format reporting the number of particles greater than 4, 6, and 14 microns in a given volume. For example, an ISO code of 17/15/13 indicates 640 to 1,300 particles greater than 4 microns per milliliter, 160 to 320 particles greater than 6 microns per milliliter, and 40 to 80 particles greater than 14 microns per milliliter. This format can be used to define the cleanliness level of a given fluid or specify a desired level. It is also common for hydraulic-component manufacturers to

publish a maximum allowable contamination level for their products.

Even particles that are too small to see can cause damage, so visual examination of the fluid is not adequate. The accepted conventional methods available for analyzing fluid include gravimetric, laboratory analysis and inline particle counters.

The gravimetric method involves passing a sample of the fluid through a patch that captures the particles, then weighing and examining with a microscope. This method is relatively labor intensive and typically has a high margin of error.

Another option is to collect a bottle sample and submit it to a laboratory for analysis, which in addition to a particle count can also check the viscosity, water content, composition of the contamination and a number of other factors. While the results are comprehensive and accurate, waiting for results can be costly. For example, if a sample is taken and two days later the report indicates a problem with the fluid, all cylinders tested during those two days are at risk of being contaminated.

It used to skew and chatter.

Inline particle counter.

The third method for analyzing fluid uses an inline particle counter. It directs a laser through a stream of fluid and sensors detect the size and number of particles, providing continuous and immediate detailed particle count reports and ISO cleanliness codes. This real-time information can drive actions, for example, waiting to test until fluid cleanliness has improved. The test of a specific cylinder can also be associated with a fluid cleanliness level, which may be useful in the event of a warranty claim. The data can also provide feedback on the effectiveness of continuous improvement initiatives to improve cleanliness.

Now it runs like a Swiss watch.

This press applies up to 3000 tons to form composite automobile panels. Delta’s RMC does multi-axis control of position and pressure to keep every moving part in perfect synchronization.

Look to Delta RMC motion controllers and graphical RMCTools software to make complex motion design easier, smoother, and more precise.

Call 1-360-254-8688 or visit deltamotion.com Find case studies like this about Wuxi LANLI Machine Tool Co., Jiangsu, China, and many others. Watch training videos to see how Delta motion can make everything work in perfect, precise harmony.

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REDUCE YOUR RISK OF CONTAMINATION Machine OEMs and end users should take measures to prevent costly and time-consuming hydraulic failures. In addition to installing and maintaining hydraulic filters, preventing ingression of particles into the system and excluding moisture, it is also beneficial to consider contamination when selecting a hydraulic-cylinder supplier. Specifically, choose a manufacturer that understands the risk of contamination and has implemented appropriate standards and procedures. These preventive measures should start when the first piece of material is cut by a saw, continue through machining and welding, and carry through to the completion of functional testing. These precautions require investment and commitment by the cylinder manufacturer. Likewise, the customer should look beyond the purchase price of the cylinder and consider the much larger value of reducing the risk of contamination-related failures.  WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG

I F P S U P D AT E

CELEBRATING 60 YEARS

Safety Is Everyone’s Responsibility and Not Just in Pandemic Times The IFPS supplies free Fluid Injection Safety Cards to every new member. These laminated wallet cards contain information on obtaining five critical pieces of information for doctors and emergency medical technicians in treating fluid injection injuries.

SAFETY FOCUS

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WHAT TYPE OF FLUID?

Grease, oils and hydraulic fluid often don’t cause any initial reaction, paint and paint thinners/solvents dissolve fat and will cause early, intense inflammatory reactions.

WHAT IS THE AMOUNT OF FLUID INJECTED?

The more fluid injected, the less room for blood circulation.

WHAT IS THE DEGREE OF SPREAD OF INJECTED MATERIAL? Location of the injury will help determine the degree of spread.

Cases have been reported where fluid injected into the hand has been recovered as far away as the elbow.

HOW MUCH TIME LAPSED BETWEEN INJECTION AND TREATMENT? This is an

extremely important factor determining the

WHAT WAS THE PRESSURE OF FLUID INJECTED? outcome. The sooner that surgery is carried

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HYDRAULIC LINES The IFPS, in conjunction with the International Hydraulics Safety Authority*, offers online Hydraulic Safety Awareness Training courses.

IFPS offers four online hydraulic safety awareness training courses: • Fluid Injection Awareness • Exposure • High Risk Maintenance Level • Hydraulic Safety in Construction * The International Hydraulics Safety Authority, recognized internationally, is the leader in hydraulic safety awareness training for developing the most comprehensive training curriculum available in the safety industry.

To order Safety Cards, Safety Posters and Safety Courses, visit www.ifps.org/Training Resources WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

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I F P S U P D AT E

Why You Need the New Fluid Power Reference Handbook

The new IFPS Fluid Power Reference Handbook is beyond just facts and figures it guides you through to help make the best design decisions.

Randall Bobbitt, CFPAI, CFPS Sales Development Manager / PVG Danfoss Power Solutions

The new Fluid Power Reference Handbook is the gold standard on-the-job reference tool of choice for any fluid power professional. From symbology to conversions and everything in between, this incredible guide offers an abundance of essential information used in everyday practice, and it belongs on your bookshelf.

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I F P S U P D AT E

Newly Certified Professionals March 2020

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(holds HS and PS Certifications) Juan Delgadillo Hiteshkumar Patel

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HS and PS Online Study Groups Visit our growing recording library at ifps.org/web-seminars.

PNEUMATIC SPECIALIST (PS)

Davis Hanscom, Parker Hannifin Corporation William Harmon, Parker Hannifin Corporation will Hogan, Parker Hannifin Corporation Andrew Smith, Parker Hannifin Corporation Matthew Wooley, Parker Hannifin Corporation Logan Zundel, Parker Hannifin Corporation

HARSH Applications

HYDRAULIC SPECIALIST (HS)

Kevin Collodora, Eaton Corporation Joseph Fuentes, Nicholas Harms Lucas Johnson Patrick Kelty, SunSource Shawn Koller Preston Kuppe, Eaton Corporation Scott Larson, Eaton Corporation Joshua Noeldner Mariana Sasso, Eaton Corporation Nicholas Schmit, Eaton Corporation Joseph Schultz, Eaton Corporation Jacob Smith Max Speakman, Wes Vreeland Alex Zelhofer, Exponent MOBILE HYDRAULIC MECHANIC (MHM)

Kyle Bergherr, Altec Industries, Inc. Michael Bier, Altec Industries, Inc. Steven Broyles, Entergy Robert Calhoun, Altec Industries, Inc. Reynaldo Cannet, Entergy Bob Colton, Altec Industries, Inc. Tyrel Desrosier, Altec Industries, Inc. Jeremy Desrosiers, Altec Industries, Inc. Spencer Elliott, Altec Industries, Inc. David Gammey, Altec Industries, Inc. Joshua Gardenhire, Altec Industries, Inc. Justin Gauthreaux, Entergy Martin Grim, Altec Industries, Inc. Brandon Havens, Altec Industries, Inc. Michael Hladilek, Altec Industries, Inc. Steven Jeansonne, Entergy Robert Knittel, JR, Altec Industries, Inc. Derek Maier, Altec Industries, Inc. Tyler Mitchell, Altec Industries, Inc. David Nichols, Altec Industries, Inc. Joseph Norton, Altec Industries, Inc. WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

PENINSULAR CYLINDER CO. ®

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800-526-7968 www.peninsularcylinders.com

JUNE/JULY 2020

21

who isn’t wearing protective safety gear. Sparks could also potentially start a fire. To avoid injury to other workers from sparks, you need to keep about a 10-foot perimeter around the work area.

The metal dust that grinders create requires an operator to wear a respirator while cutting.

Finally, when using a grinder, there’s also the risk of hitting an adjacent link and causing damage. It takes a good amount of focus to keep a vibrating grinder steady during the time it takes to cut a chain. While cutting a single chain with a grinder might not seem a big deal, if you do it several times a day, fatigue can quickly set in. If the grinder touches an adjacent link, it would be compromised. A mistake like that wastes time and valuable raw materials.

Torches

The new series of Enerpac chain cutters promises to improve safety and productivity

By Tim Kellagher, Product Marketing Manager, Enerpac There’s a reason why chain is used almost everywhere. Its durability, high breaking force, and capacity to carry a load makes it the preferred option in a wide variety of applications.

Where chain really shines is within the crane and hoist market—you’ll see it used in material handling, chain blocks and chain hoists.

For overhead lifts, chains must be specified as grade 80 or higher, which ensures that it is made of well-manufactured metal and is highly durable. Chains must also be regularly inspected to ensure there are no deformities. If a chain link is damaged, it will not be able to handle the rated load, and using the chain could be dangerous.

Whether cutting chain to size for your specific application or removing damaged links, there are a variety of ways to cut chain today, but many come with downsides.

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Cutoff Grinders A cutoff grinder is a versatile tool that is found in many shops and jobsites, but it’s not a tool specifically designed to cut chain. Have you ever seen images of rotating blade pieces stuck in safety glasses? That’s one way to illustrate the danger of using a grinder to cut chain. If your cutoff wheel gets pinched in the material, has any deformation or is improperly sized for your grinder, you risk the cutoff wheel exploding.

A grinder spinning at thousands of RPMs has incredible force and momentum. If the blade breaks, those metal pieces will go flying, and if a protective guard is not being used, the operator may be injured.

When using a grinder, there are also risks associated with shooting sparks. These small pieces of burning metal can injure an operator

A torch is another tool found in many shops and on jobsites. Torches have great versatility when it comes to cutting. A torch can cut through thick sheet metal, wire rope, or strong chain. And while a torch will get the job done slightly faster than a grinder, it also has its downsides.

First, a torch is essentially a concentrated open flame. The intense heat is not only thrown forward, it also bounces off the chain and comes back at the operator. This is known as heat kick back, and it can cause operator fatigue. Imagine it’s a 100-degree day with 100% humidity in an unairconditioned shop in Houston, and your job is to prepare 50 chains for a customer order using a torch. Not only will you easily be drenched in sweat, fatigue will soon set in. When it does, you risk damaging an adjacent link.

Like grinders, another downside to torches are shooting sparks, which can cause injury to nearby workers. The operator needs to wear a protective facemask, flame-retardant clothing, and heat-resistant gloves to handle the chain, which becomes extremely hot from the intense heat of the torch.

Manual chain cutters A manual chain cutter works by pulling down on a lever to either mechanically cut a chain or manually pump a hydraulic system to cut it. While it is an inexpensive option, there are downsides. First, it relies on the force of a single person to cut the chain. Second, it can’t cut large pieces of chain. Most manual chain cutters can’t handle chain thicker than 3/8 inch. When you need to cut a chain that is a half-inch thick or greater, a manual chain cutter is not an option.

WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG

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The new Enerpac cutter series Enerpac recently launched a series of industrial cutters, including a chain cutter that improves safety and productivity. The Enerpac chain cutter quickly cuts through heavy-duty chain links—and it works by having an operator pull a trigger. It uses a cylinder driven by a radial pump powered by an electric motor. A highly durable blade attached to the front of the tool works against another angled blade to cut the chain with hydraulic force. A chain as thick as 1¼ inches can be cut in less than 40 seconds.

The Enerpac chain cutter cuts links behind an enclosed, transparent safety guard, protecting the operator’s hand from potential injury while allowing the operator to monitor the cutting process. With no sparks or open flames to worry about, the operator is safe not wearing fire-retardant clothing—all that’s needed are regular safety gloves and glasses. Not having to put on flame-retardant clothing, a protective facemask, or special heat-resistant gloves saves the operator valuable time. After the chain is cut, it will be cool enough to handle, so the operator can move on to the next task.

Adjacent chain links are protected from damage when using the Enerpac chain cutter.

The angled blade automatically pushes the other links out of the way, enabling operators to precisely cut a single link—no matter its size—without compromising adjacent ones.

Another benefit is that the tool saves the operator from fatigue. Cutters produce minimal vibration, helping prevent a condition known as hand-arm vibration syndrome. Less fatigue can help improve operator productivity. And cleanup is easy, which saves even more time.

This electrically powered tool plugs into 120V or 230V outlets and is easily transported wherever an external power source is available.

Enerpac hopes its chain cutter will change the way workers cut chain. It promises a new level of speed and safety to an otherwise difficult task.

The new line of Enerpac industrial cutters includes five families of tools designed to cut metal bar, industrial chain, wire rope and cables, metal tubes, profiles and similar materials. The cutters are built to handle industrial-grade materials on a daily basis. 

STAINLESS STEEL EXHAUST MUFFLERS

09

SSBV

SSBM

SSBV

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sales@adsens.net21• www.adsens.net 22 Tel: 626.854.2773 • Toll Free: 800.641.9026 Fax: 626.854.8183

Air Compressors

Clean Dry Air Improves Performance...

Clean, Dry Compressed Air Starts with The Extractor/Dryer® Manufactured by LA-MAn Corporation • Point of Use Compressed Air Filter to Improve and Extend Equipment Life • Removes Moisture and Contaminates to a 5-Micron Rating: Lower Micron Ratings are Available • Models with Flow Ranges of 15 SCFM to 500 SCFM Rated Up To 250psi are Standard • Differential Pressure Gauge Built in • Mounting Hardware Included for Easy Installation • Weep Drain is Standard; Float Drain or Electronic Drain Valves Optional

For more information, visit www.enerpac.com/cutters.

WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

JUNE/JULY 2020

23

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

New Hydraulic Power Unit Leaves Small Footprint

»

BOSCH REXROTH’S CYTROBOX is a hydraulic power unit for applications in the medium performance range up to 30 kW. The current consumption is parametrized and optimized with regard to the existing electrical cabinet. Pre-set controllers in variable-speed pump drives adjust energy requirements on an individual basis.

The speed is switched off during no load to save energy and is controlled under full load in a closed loop to the exact pressure command value with a highly dynamic response. This saves up to 60% of energy compared to conventional power units. The high efficiency of the manifold block, which is manufactured using the 3D sand-core printing method, also contributes to overall efficient operation. Made via additive manufacturing, the manifold block is up to 40% more compact and boasts improved flow channels. This improves oil flow, reduces pressure losses and minimizes the areas where leaks could occur because fewer plug screws are required. The hydraulic power unit is also equipped with an active dewatering unit to protect against external contamination.

Equipped with a sensor package and open interfaces, CytroBox is ready for use in connected environments.

Mobile - Portable

EXPERTS IN HIGH PRESSURE TESTING MOBILE

•

PORTABLE

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Integrated and wired sensors provide information regarding the current filter, oil or drive condition. The collected data is then processed by the drive controller. With the help of Open Core Interface, data can be further processed and integrated into modern machine concepts.

CytroBox also offers a connectivity option for operators. This makes it easy to realize the potential of IoT technologies as a pay-per-use service easily and without risk. All information regarding CytroBox – from the component and operating status or forthcoming maintenance work to predictive maintenance analyses – is available via Rexroth’s Online Diagnostics Network, where the information is always close to hand.

HYD-4404

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9201 Independence Ave., Chatsworth, CA 91311 USA (Phone) 818.407.3400 | (Fax) 818.407.3428 www.hiigroup.com

Made in the USA

SMALLER FOOTPRINT Flexibility and space-saving designs are important criteria when selecting components.

The CytroBox combines a small footprint with a compact design. This also includes a tank with optimized de-gassing and flow. Thanks to a CFD simulation, the oil volume is reduced by 75% – going from 600 liters to a mere 150.

The use of synchronous technology also saves space. The high-performance, water-cooled synchronous motors are up to 80% smaller than comparable asynchronous ones. All functions are brought together in a compact control cabinet. As a result, CytroBox can easily be integrated into existing production lines in a flexible, space-saving manner.

LOWER NOISE EMISSIONS Airborne sound is completely absorbed by the compact arrangement of components in one unitary housing and built-in sound insulating mats. This design ensures no sound leaks out. To reduce noise emissions stemming from structure-borne noise, the motor pump group is rigidly affixed to a polymer-concrete foundation. The damping bearings that would typically transmit the noise to the tank are completely eliminated. Even at a full load, CytroBox’s noise emission is less than 75 dB (A). Comparable power units have an average noise level of 85 dB (A). This reduces the need for additional noise reduction measures, lowers costs and makes the work experience more pleasant, even when in direct proximity to the hydraulic power unit.

For more information on CytroBox, visit www.boschrexroth.com/cytro

WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG

Schaevitz Releases Miniature Threaded Stud RTD

»

HAROLD G. SCHAEVITZ Industries expanded its line of sensor products with a new surface mounted, threaded stud miniature resistance temperature detector (RTD) for applications requiring a temperature sensor in confined spaces.

Designed for research & development, testing applications, manufacturing engineering and production environments, the surface mount threaded stud RTD sensor has a stainless-steel fitting that can be threaded into a #8-32 tapped hole and can be customized for OEM applications.

Available with a PT100 Class A element, it has a temperature range of -50 to 500°F (-45 to 260°C) and a 316 stainless-steel hex fitting for durability.

For more information, visit www.hgsind.com.

The units of measurement of purity Maximum protection, maximum purity with MPFX, MPTX, MRSX series lters

PROUDLY SERVING THE INDUSTRY FOR OVER 60 YEARS

Numerous Applications for Schmalz Vacuum End Effectors

»

THE SCHMALZ MODULAR system for vacuum end effectors (VEE) work with numerous configurations of grippers. Vacuum feed, zone combinations, connection elements, and suction cup connections are available to create a custom end effector for specific needs.

According to a Schmalz press release, highlights of the VEE include fast and cost-effective design for high-speed packaging processes; pick-and-place applications with Delta, SCARA and articulated robots; fully automated filling of cardboard boxes in case packers; use in primary and secondary packaging processes; transporting products into top-loading machines as well as in cardboard box and tray aligners; and use in flexible packaging machines with frequent format changes.

Schmalz said the lightweight VEE promises benefits that include individual configuration, reduced construction and manufacturing effort, and outstanding hygiene properties.

For more information, visit www.schmalz.com.

WWW.IFPS.ORG • WWW.FLUIDPOWERJOURNAL.COM

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www.MAINmfg.com/fpj Grand Blanc, MI 48439 A U.S. PH: 800-521-7918 800.521.7918 info@MAINmfg.comMANUFACTURER info@MAINmfg.com www.MAINmfg.com/fpj Grand Blanc, MI 48439

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MANUFACTURERS

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Check out the online matrix at www.fluidpowerjournal.com

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PE O P L E I N T H E N E W S

OTC Recognizes Ronald Yeung for Distinguished Achievement

»

THE 2020 OFFSHORE Technology Conference board of directors selected Ronald W. Yeung of the University of California, Berkeley, to receive its Distinguished Achievement Award.

Yeung was recognized for his 45-year career in educating naval architects and ocean engineers and for his research in ship and offshore hydrodynamics. He has supervised more than 100 students and visiting scholars. His students have received 16 U.S. and international best-paper awards. He has published nearly 200 articles.

Yeung has contributed original research to the naval architectural and ocean engineering fields. His most prominent research spanned from vortex methods development and roll-motion ship hydrodynamics to his recent endeavor: moon-pool resonance with a two-layer fluid and ocean renewable energy via wind and waves.

Kaman Distribution Group Appoints Executive Vice President

»

Brad Boehler Joins Hy-Brid Lifts Board

KAMAN DISTRIBUTION GROUP of Bloomfield, Conn., a distributor of bearings, power transmission, automation, and fluid power products, has named Mark Stoneburner as executive vice president and general manager of Kaman Industrial Technologies, the company announced on May 8.

Stoneburner holds a bachelor’s from Ohio University and an MBA from Xavier University. He has over 30 years of experience in industrial distribution and manufacturing.

He was previously at Motion Industries, where he most recently served as the senior VP of eastern U.S. branch sales and operations, mergers, and acquisitions. Prior to Motion Industries, he served as the VP of sales and marketing at American Roller Bearing Company and in various senior management roles at Applied Industrial Technologies.

»

HY-BRID LIFTS, a Richfield, Wis., maker of lowlevel access equipment, announced on April 9 the appointment of Brad Boehler to its board of directors.

Boehler will tap into his years of industry experience in both engineering and market development to help guide the strategic direction of Hy-Brid Lifts by Custom Equipment, LLC, the company said in a press release.

Boehler’s career spans nearly 25 years in the equipment industry, including work as an engineer focused on product design and development. He also has experience with associations that build safety and training protocols.

Most recently, Boehler served for eight years as president of Skyjack, where he was instrumental in growing the footprint and global distribution of the brand.

Boehler will join a board of six individuals who meet quarterly to help guide, grow and diversify the Hy-Brid Lifts business while remaining true to the key design hallmarks of the brand. These include lowest floor loading, exceptional compact maneuverability and lifting capacity, and an ability to safely access more jobs.

To submit promotions, new hires and other company announcements, email us at news@fluidpowerjournal.com.

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ADDING HYDRAULIC FLUID TO THE

A

dding make-up fluid to the reservoir ranks among the most important maintenance tasks because of the consequences of doing it incorrectly. Be aware that a system that needs make-up fluid on a regular basis has a leak. Discovering the source of that leak and fixing it is necessary to keep the system operating properly.

Keeping the fluid at the proper level is important. A system that is overfilled when it is cold will spill out fluid through the vent breather when the system warms up because the fluid will expand.

A system that becomes low on fluid can cause the pump to whine and aerate the fluid. On mobile hydraulic systems that have limited capacity reservoirs, a low fluid level may not cause the pump to whine and aerate the fluid, but will overheat the system because of insufficient cooling. Remember

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that the capacity of the reservoir may be no more than the gallon per minute flow rating of the pump to begin with, and reducing that capacity with a low fluid level will cause the same fluid to be circulated more frequently through the system where it will pick up additional heat before it has cooled sufficiently.

If the pump is mounted below the reservoir, fluid normally floods the inlet to the pump. If pump noise indicates the pump is aerating, the system is out of fluid and must be stopped immediately to prevent the pump from being burned up. Pumps that are mounted above the reservoir will allow impression air in the fluid as the level drops below the inlet. This allows air to enter the pump with the fluid, circulate through the system, and to aerate fluid in the reservoir.

In addition to the tell-tale whine of the pump

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and foam in the reservoir, operation of cylinders will become spongy and jerky. Continued operation of the system is both dangerous to personnel and will damage the pump.

The fluid level on a machine is normally checked at operating temperature, either with a sight gage or a dip stick. Do not fill the machine to the full mark when it is cold. This will cause the machine to be over filled when it warms up.

Wait until the machine warms up and then add enough fluid to bring the level to the full mark.

Adding only the correct fluid, and in the right amount, is important because many fluids are not compatible with each other. Incorrect fluids can severely damage or ruin a system by softening the seals or failing to blend with existing oil.

This will take the machine out of service and require costly repairs. Each machine comes

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from the manufacturer with a recommendation about which hydraulic oil should be used.

The correct oil is specified in the operation manual. Check the manual before adding oil to be sure that the oil that is to be added to the machine is among those listed by the manufacturer of the machine. Mixing oils is not recommended so stay with one brand and type of oil. Keep in mind that adding oil that has not been approved by the manufacturer of the machine will void most warranties.

Adding fluid without introducing dirt and contamination is a continuing problem. One authority goes so far as to say that the new fluid added to the system often exceeds the contamination level specified for the system, and much of this contamination is introduced while the fluid is being stored, transported, and added to the system. Fluid added to a reservoir should be pumped in through a filter.

Most filter manufacturers produce filter carts for this purpose.

If bulk oil contamination is the problem, dispense the fluid directly from quart or gallon containers that are opened just before the fluid is used. To prevent contamination from the oil source, do not store partially filled oil containers.

Before filling the reservoir, clean around the fill cap with a lint-free shop towel. Make sure to add the correct fluid. Don't pour fluid from an oil container that is not labeled. Inspect the filler screen and relief breather. If a funnel must be used, make sure it is clean. As a general rule, seamless plastic funnels collect and hold less dirt and contaminant than metal funnels. Pour only enough oil through the fill cap to bring the reservoir level to the full mark. Finally, replace the fill cap, and have a lint-free shop towel available to clean up oil that may have dripped on the machine. 

TEST YOUR SKILLS

1

If the pump is mounted below the reservoir (flooded inlet), low fluid level can be confirmed by: a. Overheating. b. Loss of pressure. c. Noise from the pump. d. Jerky action of a cylinder. e. Checking the fluid level.

2

Which of the following should be considered a possible source of contamination when adding fluid to the hydraulic reservoir? a. Funnel. b. Shop towel. c. Fluid container.

Go to page 47 for the d. Fluid being added. solutions. e. All of the above.

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Dynamic conferences, meetings and webcasts keep our members up to date on the latest economic conditions, emerging trends and industry insights for today’s ever‐changing economic climate.

N F PA U P D AT E You have the Ideas, We Provide the Tools From point‐and‐click online tools that automate time‐consuming calculations, trend analysis, and custom forecasting to a user‐friendly web dashboard that allows members custom access to industry information.

Hydraulic and Pneumatic Industry Trends

Find out how to become part of NFPA by calling Erica Halmstad at 414‐778‐3359, or email at ehalmstad@nfpa.com.

Market information questions? Contact Eric Armstrong at earmstrong@nfpa.com or 414‐778‐3372.

Hydraulic and Pneumatic Shipments Hydraulic and Pneumatic Shipments Raw Index Data, Index: 2018=100

SHIPMENTS

130.0

MONTH

TOTAL FLUID POWER

TOTAL HYD.

TOTAL PNEU.

100.0

Dec 2019

-5.9

-7.1

-4.0

90.0

Jan 2020

-7.1

-12.8

-3.3

Feb 2020

-7.3

-11.5

-7.9

120.0 110.0

80.0

Mobile Hydraulic

Feb‐20

Oct‐19

Dec‐19

Jun‐19

Aug‐19

Apr‐19

Feb‐19

Oct‐18

Dec‐18

Jun‐18

Aug‐18

Apr‐18

Feb‐18

Oct‐17

Dec‐17

Jun‐17

Aug‐17

Apr‐17

Feb‐17

Oct‐16

Dec‐16

Jun‐16

Aug‐16

Apr‐16

Feb‐16

Oct‐15

Dec‐15

Jun‐15

Aug‐15

Apr‐15

Dec‐14

60.0

Feb‐15

70.0

Shipments – Cumulative year‐to‐ date % change (2020 vs. 2019)

The table above is expressed in terms of cumulative Pneumatic, Mobile and Industrial Hydraulic Orders Index

Industrial Hydraulic

Total Pneumatic

percent changes. These changes refer to the

percent difference between the relevant cumulative

140.0 This graph of raw index data is generated by the total dollar volume reported to NFPA by CSS participants and compared to the average monthly This graph of raw index data is generated by the total dollar volume reported to NFPA by CSS participants and total for 2020 and the total for the same months dollar volume in 2018. For example, the March 2020 total dollar volume for pneumatic shipments are 93.4% of the average monthly dollar compared to the average monthly dollar volume in 2018. For130.0 example, the March 2020 total dollar volume for in 2019. For example, February 2020 pneumatic volume in 2018. (Base Year 2018 = 100)

pneumatic shipments are 93.4% of the average monthly dollar volume in 2018. (Base Year 2018 = 100) Pneumatic, Mobile and Industrial Hydraulic Orders Index shipments figure of ‐7.9 means that for the calendar 120.0

year through February 2020, pneumatic shipments

decreased 7.9% compared to the same time‐period 140.0 110.0

in 2019. (Base Year 2018 = 100) 130.0 100.0

120.0 90.0

110.0 Pneumatic, Mobile and Industrial 80.0

Hydraulic Orders Index 100.0 70.0 Each point on this graph represents the most recent 12

months of orders compared to the previous 12 months 90.0

of orders. Each point can be read as a percentage. For

Total Pneumatic Mobile Hydraulic Industrial Hydraulic example, 82.6 (the February 2020 level of the industrial 80.0 hydraulic series) indicates that industrial hydraulic

Each point on this graph represents the most recent 12 months of orders compared to the previous 12 months of orders. Each point can be 70.0

orders received from March 2019 to February 2020 read as a percentage. For example, 82.6 (the February 2020 level of the industrial hydraulic series) indicates that industrial hydraulic orders received from March 2019 to February 2020 were 82.6% of the orders received from March 2018 to February 2019. (Base Year 2018 = 100) were 82.6% of the orders received from March 2018 to

Total Pneumatic

Mobile Hydraulic

Industrial Hydraulic

Total ‐ Hydraulic and Pneumatic Shipments

February 2019. (Base Year 2018 = 100)

Each point on this graph represents the most recent 12 months of orders compared to the previous 12 months of orders. Each point can be read as a percentage. For example, 82.6 (the February 2020 level of the industrial hydraulic series) indicates that industrial hydraulic orders 110 received from March 2019 to February 2020 were 82.6% of the orders received from March 2018 to February 2019. (Base Year 2018 = 100)

Total ‐ Hydraulic and Total ‐ Hydraulic and Pneumatic Shipments

100

Pneumatic Shipments

This graph of 12‐month moving averages shows 110 that in March 2020, both hydraulic shipments and

90

pneumatic shipments decreased. (Base 100 Year 2018 = 100)

80

Much more information is available to NFPA 90 members, which allows them to better understand trends and anticipate change in their 80 market and the customer markets they serve. Contact NFPA at 414‐778‐3344 for more details.

70

46

JUNE/JULY 2020

70

Total Fluid Power

Total Hydraulic

This graph of 12‐month moving averages shows that in March 2020, both hydraulic shipments and pneumatic shipments decreased. (Base Year 2018 = 100)

Total Fluid Power

Total Pneumatic

Total Pneumatic

Total Hydraulic

WWW.FLUIDPOWERJOURNAL.COM • WWW.IFPS.ORG

Cleveland State Takes 2020 Fluid Power Vehicle Challenge

»

FOR THE SECOND year in a row, Cleveland State University was the overall champion of the National Fluid Power Association’s 2020 Fluid Power Vehicle Challenge, which took place virtually April 15-18.

It was the largest competition ever, with nearly 150 students, university faculty members, and industry supporters taking part, NFPA said in announcing the winners.

The 2020 second-place winner was the University of Cincinnati, while Purdue University took third place.

This year’s event highlighted the use of pneumatics in addition to the traditional hydraulic systems in teams’ designs, with a new prize for the best use of pneumatics, sponsored by Bimba, taken home

by Western Michigan University.

The competition combines two technology platforms that are not normally associated with one another: human-powered vehicles and fluid power. In a typical year, teams design and build their own fluid power vehicles and then, with the help of sponsors, judges, and mentors, compete against each other in three races.

The races could not happen this year due to quarantines and school closings, so students gave virtual presentations on vehicle construction, quality of vehicle design, and the lessons they learned constructing the vehicle.

“This competition was a wonderful experience throughout the year,” said Bogdan Kozul, faculty advisor for the Cleveland State team. “We received a textbook education in all the joys of working on a challenging project with a diverse group. I know each of us is leaving this experience with a strong self-awareness of our internal and external motivations.”

“The winning group was focused on improving the frame design, trying to reduce weight in simplifying component mountings,” said Tim Miller, of sponsor Trelleborg Sealing Solutions.

“They wanted to improve a hydraulic circuit that was safe, user friendly, and easy to operate. I have to say that if I saw it, I would assume that it was a professional product on the marketplace, so hats off to them.”

Companies that participated as judges, mentors, and sponsors included: • Bimba Manufacturing Company • Bosch Rexroth Corporation • Danfoss • Deltrol Fluid Products • Eaton Corporation • FORCE America • Gates Corporation • HAWE Hydraulik • IMI Precision Engineering • International Fluid Power Society • Iowa Fluid Power • JM Grimstad, Inc. • LubeTech • Parker Hannifin • Source Fluid Power • SunSource • Trelleborg Sealing Solutions • Walvoil Fluid Power For more information on the Fluid Power Vehicle Challenge, contact Stephanie Scaccianoce at sscaccianoce@nfpa.com.

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HYDRAULIC FLANGES and COMPONENTS THE “SPECIAL” YOU WANT IS PROBABLY ON OUR SHELVES MAIN Mfg. Products, Inc. 800.521.7918 fax 810.953.1385 www.MAINMFG.com/fpj

ADVERTISER INDEX Company......................................................................Page..............................Phone......................................................................................................Web Adaconn + Inserta...................................................................14.....................215-643-0192 .......................................................................................... www.inserta.com Adsens Technology Inc..........................................................23.....................800-641-9026.............................................................................................www.adsens.net Aignep USA.......................................................................... 3, 14.....................615-771-6650..................................................................................... www.aignepusa.com Clippard Instrument Lab Inc.....................................Back cover.....................877-245-6247......................................................................................... www.clippard.com Creative Services....................................................................20.....................610-923-0380.................................................................................... www.idpcreative.com DELTA Computer Systems Inc...............................................18..................1-360-254-8688............................................................................................deltamotion.com Flange Lock.............................................................................19.....................203-861-9400..................................................................................... www.flangelock.com Flow Ezy Filters Inc.................................................................10....................1-88-237-1165................................................................................ www.flowezyfilters.com FluiDyne Fluid Power..............................................................14..................1-586-296-7200...................................................................................... www.fluidynefp.com Heinrichs USA.........................................................................45.....................859-371-4999................................................................................ www.heinrichs-usa.com Hydac International Inc....................................................... 9, 16.....................610-266-0100....................................................................................... www.hydac-na.com Hydraulex........................................................................... 11, 14..................1-800-323-8416.......................................................................................www.hydraulex.com Hydraulics International Inc............................................. 14, 24.....................818-407-3400 ................................................................................................. hiigroup.com Hydraulics, Inc........................................................................... 6.....................817-923-1965.................................................................................www.hydraulicsinc.com Inserta Products......................................................................12.....................215-643-0192 .......................................................................................... www.inserta.com International Fluid Power of America............... Inside back, 43..................1-800-432-6405......................................................................................... https://intlfpa.com Kuriyama of America..............................................................13.....................847-755-0360....................................................................................... www.kuriyama.com La-Man Corp...................................................................... 15, 23.....................800-348-2463 ........................................................................................... www.laman.com Main Manufacturing Products Inc................................... 15, 25..................1-800-521-7918..................................................................................www.mainmfg.com/fpj MOCAP INC.............................................................................16.....................800-633-6775 .......................................................................................... www.mocap.com MP Filtri USA Inc......................................................... 12, 25, 45.....................215-529-1300.............................................................................. WWW.MPFILTRUSA.COM Oil-Rite Corp............................................................................15.....................920-682-6173............................................................................................. www.oilrite.com Peninsular Cylinder Co. Inc....................................................21.....................800-526-7968...................................................................... www.peninsularcylinders.com Rota Engineering Ltd...............................................................10.....................972-359-1041.........................................................................................www.rota-eng.com Spir Star Inc.............................................................................20..................1-800-890-7827.......................................................................................... www.spirstar.com Starcyl Cylinders Corp........................................................ 7, 43..................1-877-782-7295........................................................................................... www.Starcyl.com Super Swivels.................................................................... 15, 17..................1-763-784-5531.................................................................................www.superswivels.com Texcel......................................................................................... 5..................1-800-231-7116.................................................................................. www.texcelrubber.com The Oilgear Company........................................ Inside front, 15.....................231-929-1660.....................................................................................................oilgear.com Uniflex of America LLC............................................................ 6..................1-847-519-1100..................................................................................... www.uniflexusa.com VEST Inc.................................................................................44..................1-248-649-9550..........................................................................................www.vestusa.com World Wide Fittings Corporation.............................................. 8.....................847-588-2200..........................................................................www.worldwidefittings.com Yates Industries Inc............................................................ 1, 15.....................586-778-7680.........................................................................................www.yatesind.com

JUNE/JULY 2020

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SUBSCRIBE BY MAIL FILL OUT THIS CARD COMPLETELY, DETACH, AND MAIL OR FAX IT TO START YOUR SUBSCRIPTION MAIL TO: PO BOX 2548 • ORLANDO, FL 32802-9830 • FAX: 1-866-207-1450 YOU CAN ALSO SUBSCRIBE ONLINE AT WWW.FLUIDPOWERJOURNAL.COM. 01  YES! Please start/continue my complimentary subscription to the Fluid Power Journal Signature (required)

Title (required)

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02  NO. Not interested. /

/

Please Type or Print Clearly: First Name

Middle Initial

Last Name

Company

Division

Web Address

Address

Mail Stop

City

State

Zip Code

 Check here if you would like to keep your name, address, phone and fax numbers confidential, and not released to third parties The address above is my:  Home Address  Business Address Which edition would you like to receive?  Print  Digital  Both (View a sample of our PAPERLESS digital edition at www.fluidpowerjournal.com) 1. Do you specify, select or influence the purchase of components & systems, on new or existing machinery?

If yes, which technologies? (check all that apply) 05  Hydraulic 06  Pneumatic 07  Vacuum 08  Electronic Controls

03  Yes

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:_____________________________________

s t c u d o r P A P F d e l e a c n x o s i E n t o a i r t o n r a t e c e t e fi n I M Speci .

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CANADA

Take Control with Cordis E L E C T R O N I C P R E S S U R E R E G U L AT I O N

• Resolution ≤5 mV • Accuracy ±0.25% of full scale • Real-time adjustable PID control • Integrated 0 to 10 VDC, 4-20 mA signal, or 3.3 VDC serial communication

The future of proportional control has arrived— and it’s digital. The Clippard Cordis is a revolutionary microcontroller primed for escape velocity from a proportional control market that has grown stagnant.

With unparalleled performance and flexibility not possible with current analog proportional controllers, the Cordis makes everything from calibration, to sensor variety, to future development opportunities more accessible and less complicated.

• 0 to 10 VDC feedback pressure monitor • Virtually silent • No integral bleed required • Multiple pressure ranges from vacuum to 150 psig • 2.7 to 65 l/min flow control

Precise, Linear Digital Pressure Control Contact your distributor today to learn more about how the Cordis can provide precise, real-time control for your application, or visit clippard.com to request more information.

877-245-6247 CINCINNATI • BRUSSELS • SHANGHAI