Fluid Power Journal

Features

What’s Your Standby Efficiency?

By Brendan Casey We are conditioned to think a variable displacement pump is more efficient than its fixed displacement counterpart. As a generalization this …

Compressed Air Systems: Are You Draining Away Your Profits

By Ron Marshall Air compressors create water, there is no way around it, the ambient air is squeezed, like wringing a sponge, and cooled, creating a constant …

Fluid Power Industry Creates ISO Standards that Impact Our World

By Denise Husenica, NFPA International Standards Development Manager, Secretary, ISO/TC 131 and Administrator, U.S. Technical Advisory Groups The International …

Developing Electrohydrostatic Actuation to Improve Ring Rolling Production

By Dr. Erkhard Siemer, General Manager for Design Hydraulics and Electrical Engineering, SMS Group GmbH, and Achim Helbig, Dr.-Ing, Innovations Projects …

Research to Watch: Control and Diagnostic of Electro-Hydraulic Machines

This column will bring you the progress of the pre-competitive research being conducted at member universities that are part of the CCEFP network. This …

IFPS 2018 Annual Meeting

The IFPS 2018 Annual Meeting recently took place in Williamsburg, VA where the 2019 Board of Directors nomination slate was approved. The 2019 Board positions …

Effective Leakage Testing with Bubble Tight Poppet Valves

By John Wayne Jennings, Vice President of Sales and Marketing, Lexair Inc. There are many applications that require valves that do not allow leakage. For …

Understanding Hydraulic Stiffness of a System

Hydraulic Stiffness It is generally misunderstood that hydraulic fluid is incompressible when, in fact, it can compress when placed under pressure. Any system …

Telescopic Handler Doubles Lifespan with Innovative Repair Design

By Steven North, Design and Project Engineer, Apex Hydraulics, Ltd. The construction industry is a gruelling environment for machinery. The heavy lifting, …

IMTS 2018 Breaks Records in Chicago’s McCormick Place

The International Manufacturing Technology Show (IMTS) inundated the McCormick Place convention center in downtown Chicago on September 10-15, 2018, and raised …

Precision Farming

How Modern Hydraulics Can Contribute to Greater Efficiency and Precision in Agriculture By Dipl.-Ing. Matthias Müter, Dipl.-Ing. Ralf Leinenbach, and Dr.-Ing. …

The Long Road to Safety Certification

By Charles Butcher, Justin Shelton (Hoerbiger), and Eike Stratmann (Hoerbiger) Hydraulic locking units for passenger restraint gain TÜV approval Ever had a …

Proportional Valve Selection—LVDT or no LVDT?

By Neil Scott, CFPHS, Controlled Fluids Inc. As proportional valve technology becomes more commonplace, new people are continuously tasked with applying, …

Determine the Cause of No Flow, Low Flow, High Flow

Positive displacement pumps deliver flow because the fluid is physically displaced by the pumping chamber from the inlet of the pump to the outlet of the pump. …

Cost-Reducing Modern Pneumatics

By Linda Caron, CMSE®, Certified Machinery Safety Expert (TÜV Nord), Global Product Manager, Factory Automation, Parker Hannifin Corporation, Pneumatic …

Analyzing a Hydraulic System Performance: If You Study It, You Can Improve It

By Tim Gessner, Delta Computer Systems Inc. To improve how a hydraulic system works, including reducing the amount of energy it consumes, you need to record …

Selecting the Best Sensors for Steering Systems

By Dr.-Ing. Jacek Zatrieb, Global Smart System Consultant (Mobile & Industrial), Rota Engineering Limited Whether in the case of autonomous driving, …

Intelligent Pneumatics Move Fluid Power into the 21st Century

By Frank Langro, Director – Pneumatic Automation, Festo, and Sandro Quintero, Product Manager – Valve Terminals & Electronics, Festo Pneumatic …

2018 Tech Directory Listing

Download our 2018 directory listing below. Click on the image for a PDF file. Need to find a manufacturer for a specific product? Search by product category …

Tailoring Comprehensive Filtration Programs to Meet Your Needs

By Peter Skoog, Technical Manager, Fluid Power and Grease, Quaker Chemical Corporation Solid contamination interferes with the first three functions. First, …

Revisions to ISO 11171: A Calibration of Automatic Particle Counters for Hydraulic Fluid Power Liquids

By Barry Verdegan, Ph.D., Research Fellow, Cummins Filtration Inc. and ISO/TC 131/SC 6 chairman Hydraulic fluid cleanliness is critical to the overall …

Compressed Air Systems: The Mathematics of Efficiency

By Ron Marshall You may wonder why people say compressed air is the most expensive and inefficient utility in a facility. By doing some research and looking at …

Filler Breathers Improve Long-Term Hydraulic System Performance

By Todd Klitzke, Engineering Manager, Zinga Industries, Filtration Group Illustrations by Craig Churchill, Engineering Tech, Zinga Industries, Filtration …

Demystifying Chemical Compatibility of Seals and Fluids

By Lucy Heyduk, Material Development Specialist, and Tim McCulfor, Material Development Manager, Trelleborg Sealing Solutions The chemical compatibility of a …

Research to Watch: Investigation of Noise Transmission through Pump Casing

This column will bring you the progress of the pre-competitive research being conducted at member universities that are part of the CCEFP network. This …