Alan Hitchcox

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 by Alan Hitchcox
IFPE offers college-level short courses and free seminars
IFPE’s half-day continuing education courses offer hands-on technical knowledge in hydraulics and pneumatics technologies
Respect seals – they’ve earned it

Compared to other components in a fluid-power system, the low cost of seals doesn’t earn them much respect. However, rod seals perform one of the toughest jobs in a fluid-power system. They must squeeze the piston rod tight enough to prevent pressurized fluid from leaking out of the cylinder. But if they squeeze too hard, they’ll wear prematurely and maybe even damage the piston rod surface. Not only that, seals must prevent leakage at high pressure, low pressure, varying temperatures, a wide range of rod speeds, and when systems sit idle for days on end.

Checklist for matching air cylinders to load requirements

When applications involve linear motion, high speed, and moderate loads, air cylinders are often the first choice to provide the actuation. Compressed air is available as a utility at almost every industrial facility, and economical air cylinders can be obtained from many manufacturers. One of the most fundamental

The most-powerful seal test bench in the world

Installed in a specially constructed well, an 18-ton, 260‑kW floating-mount rod seal test bench is located at Trelleborg’s research and development center in Stuttgart, Germany. The machine is capable of simulating the patterns of movements and stresses faced by hydraulic rod seals in some of the most-demanding rod-seal applications, such as aircraft landing gear, injection-molding machines, and mining excavators.

Machine Tool and Automation Show Scheduled for Milan, Italy October 2015
Organizers introduce general commissioner and information about the event.
Sensor detects piston position in accumulators
Simplified drawing explains operation of SL720 position sensor and shows major components. Hybrid hydraulic drives use accumulators to store kinetic energy from braking as hydraulic energy instead of braking a vehicle ...
Comatrol releases update to its EasyValve software
Comatrol has released an update to its EasyValve software, which is based on Famic Technologies' Automation Studio software platform.
Two new ISO Standards on quick-acting couplings now available from NFPA
International standards address dimensions and requirements for screw-to-connect quick-action couplings.
Bosch Rexroth set to sell pneumatics group
Bosch Rexroth announced that company officials have signed an agreement to sell its global pneumatics business to Triton Advisers Ltd., a European investment group.
Weight balancing conserves power
Weight balancing conserves power
Aluminum lightens bent-axis pump
Aluminum lightens bent-axis pump
Cat makes a big impact with its hybrid excavator
Hydraulics technology wins out over electric for hybrid drives in large excavators.
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