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 industrial 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.

Fluid Purifier Goes Beyond Filtration
Eaton’s IFPM 72 Fluid Purifier System can extend the life of hydraulic fluid in multiple hydraulic systems within a plant.
Hydraulics Entrepreneur Dies at Age 79
Constantine “Connie” Kosarzecki, founder of both Modular Controls Corp. and Command Controls Corp., passed away August 1, 2015 at the age of 79.
Novel Device Seals Reservoirs from Ambient Environment
Filter-breathers and dessicant breathers are typically used to maintain clean fluid in a reservoir, but are not without shortcomings.
Think You Know Flanges?
Though many SAE 4-bolt hydraulic flanges look quite similar to each other, SAE Code 61, SAE Code 62, and Caterpillar 4-bolt flanges exhibit small dimensional and physical differences.
Manufacturer Invests in Tooling, NSF Certification
After focusing on a steady stream of improvements since 2011, Delavan Pumps Inc., Minneapolis, invested more than $300,000.00 in new tooling, NSF Certification, and marketing to it forward movement.
Monitor Air Quality to Ensure System Efficiency
Any of several tests can be conducted to determine the quality of the compressed air in a system, ranging from occasional tests that examine a collected air sample to using continuous online testing equipment.
Getting Ready for Innovation at ICUEE 2015

As fall approaches, many of us are making plans to travel to conferences and trade shows. As in every other odd-numbered year, 2015 will mark the return of the International Construction & Utility Equipment Expo to Louisville, Ky., Sept. 29 through Oct. 1. Known as ICUEE—IQ for short—this show immediately became one of my favorites when I first attended more than 20 years ago. It’s organized by the Association of Equipment Manufacturers (AEM), the same group that puts on ConExpo/ConAgg and IFPE.

5 Features for Safe Hydraulic Drives
Five factors should be considered in order to design a safe, compact, and efficient hydraulic drive, especially considering today's advanced hydraulic drives that allow machines to reach high speeds in the most arduous conditions,
Gentle Giant Transports Molten Steel
The 3503 ladle carrier has a payload of 180 tons and is nearly 16 meters long. The ladle, placed in the transporter’s payload platform, can be hydraulically lowered onto the ground for crane loading.
Free In-Person Seminar Covers Hydraulic System Modeling

Would you like to gain a deeper understanding of the physics that govern hydraulic systems, and how to use software to model hydraulic resistance, capacitance, and inductance? How about stability, linearization, frequency response, dynamic modes, and other concepts related to hydraulic systems?

Hydraulic Pump Displacement Controlled by Solenoids
A new radial-piston pump design uses solenoid valves instead of a swashplate to vary displacement.
Self-Contained Electrohydraulic Actuator Offers Failsafe Operation
Gas and steam turbines often integrate hydraulic cylinders for valve-actuation purposes. Hydraulic cylinders usually can transmit extremely high force and precise position and force control within a much smaller package than electromechanical actuators.
Advanced Machine Tools Revitalize Cylinder Manufacturing
In 2011, Jim Warneke, general manager, and Frank Laratta, manufacturing engineer, both arrived at Hanna Cylinders, Pleasant Prairie, Wis. Their first major project was to give Hanna a much needed “manufacturing face lift,” as they put it, to shorten production lead times.
Hydraulic Cylinders Provide Muscle for Pipelaying

Enerpac supplied dozens of high-pressure hydraulic cylinders for the topside lift system beams on Allseas ‘Pioneering Spirit’ vessel. The cylinders are an integral part of the vessel’s lift system, enabling the installation and decommissioning of complete topsides weighing up to metric 48,000 tons. ‘Pioneering Spirit’ is the largest platform installation, decommissioning, and pipelay vessel in the world. The vessel’s 16 lifting beams feature 64 Enerpac CLRG-Series  double-acting hydraulic cylinders arranged in groups of four.

Combining Functions Saves Time, Cuts Cost, Improves Quality
A slip ring and hydraulic swivel cohesively designed together as a single assembly improves economies of scale and reduces the number of components, suppliers, and the potential for component failure.
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