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.

Hydraulic Multimeter Goes Wireless

Just as electrical technicians use multimeters to analyze electric circuits and diagnose problems, hydraulic technicians have had hydraulic multimeters at their disposal to read pressure, flow, and other important parameters. Webtec, Milwaukee, has offered its Digital Hydraulic Multimeter (DHM) to measure flow, pressure, peak pressure, temperature, power, and even volumetric efficiency. 

Lighter Cylinders Increase Design Possibilities

The demand for more compact, lighter, yet more powerful machines is unrelenting and requires continuous advancements in component designs and higher-strength materials. For in-plant machines, the higher pressures can often be accommodated by thicker-walled steel components. But this “luxury” is usually not an option for mobile equipment because components must be as small and lightweight as possible.

Applied Industrial Technologies' Open House

Applied Industrial Technologies, Cleveland, held an open house on Tuesday, September 22. The event included exhibitor displays, technical seminars, and social events. Dozens of AIT's vendors were on hand, including many fluid power suppliers. Applied Industrial also exhibited some of its own capabilities.
This gallery provides a sampling of what was fluid power and related exhibits.

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.
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