Alan Hitchcox

Alan
L.
Hitchcox
Editor,
Penton Media Inc.

Alan became a technical editor in 1981 and joined Hydraulics & Pneumatics in 1987. After serving in the US Army as a wheeled vehicle mechanic, he graduated with a BS in engineering technology from Franklin University, Columbus, Ohio, while working as an industiral service coordinator and project manager at an industrial distributor. He has taken technical courses in fluid power and electronic and digital control at the Milwaukee School of Engineering and the University of Wisconsin - Milwaukee and has served on several industry committees.

Articles
Class 3 NFPA Hydraulic Cylinders

NFPA interchangeable high pressure hydraulic cylinder product line. Time-proven 3-groove piston with cast iron rings outboard and a "GT" positive seal in the center groove. Each assembly is proof tested (as a pressure vessel) at 5,000 psi. More than 20 mounting styles in 14 bore sizes from 2½ to 5 in. are standard.

Preventing Hydraulic Failures
Preventing Hydraulic Failures explains how different types of hydraulic components are constructed, the conditions that cause them to fail, and how to prevent these conditions from occurring.
App Identifies Threads
Identifying threads on hydraulic fittings just got easier with Thread ID Mate, a mobile app from RYCO Hydraulics.
ORAs Improve Filter Breathers
Gangnon’s Oilmiser Reservoir Aspirator (ORA) is installed between a standard reservoir and filter breather. It has two airflow passageways, each with a check valve.
Filter Carts Clean Up Fluid
Oil Filtration Systems of Boerne, Texas, has introduced a line of portable filtration equipment for hydraulic and lubrication oils.
Exchange valves for hydrostatic transmissions
VE10, VE30 and VE60 exchange valves are suitable for exchange flows from 10 to 60 lpm in circuits at 450 bar. Exchange pressure can be adjusted between 12 and 30 bar using VE30 and VE60 versions.
Compact, high-flow air valves
DV Series bidirectional air valves are electronically controlled and accommodate flows to 100 liters/min.
Quick-connect couplings designed for big machines
Holmbury’s PS Series quick-acting couplings were designed to withstand heavy shock and vibration inherent to large excavators, such as this one being used for demolition.
From the Editor: Comparing hydraulics to electricity
Don’t you just love the smell of new leather? A new pair of shoes, a belt, or jacket has an unmistakable aroma. I learned recently, though, that leather itself generally has no perceptible smell to humans.
Machine makes cars compact 1
What this car crusher sacrifices in its final product's denseness is more than made up for by its efficiency.
Shepherd named head of new Concentric R&D unit
Concentric AB has appointed Paul Shepherd to head its new Advanced Research and Development Unit.
PMP Industries and Linde Hydraulics team up
PMP Industries s.p.a. of Coseano, Italy, and Linde Hydraulics of Aschaffenburg, Germany, have announced their global strategic alliance.
Kjell Lyngstad outlines Aventics’ future
Following the recent formation of Aventics from Bosch Rexroth Pneumatics, we spoke with Kjell Lyngstad, director of sales, marketing, and engineering at Aventics, to gain insight into what’s next for the company.
Pneumatic elevator transports the disabled
The Vision 550 wheelchair-accessible home elevator from Nationwide Lifts uses vacuum and gravity to move an elevator cab up to 35 ft at speeds to 20 fpm inside a 53-in. tube. Its simple design gives it clear advantages over chair lifts and conventional elevators.
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