When hydraulic components become damaged or reach the end of their useful lives, off-highway machine users can choose from among many replacement options. An increasing number of solutions are available from original equipment manufacturers (OEMs), independent aftermarket suppliers, and remanufacturers. When searching for the best option to minimize downtime and total cost of ownership, users may consider reverse-engineered products that seem identical to the genuine original versions.
In preparing for a retest of a hydraulic power unit experiencing quick pressure drops/rises, the oil was drained from the reservoir and panels removed, only to discover construction debris and beads of excess pipe dope at the bottom of the reservoir....More
Symptoms typical of an aerated hydraulic system plagued the F-104 aircraft for years. Aeration was caused by system components with built-in chambers and passages where free air (bubbles) collected when system fluid was saturated or at rest with no pressure acting on the fluid....More
Through the proper selection of variable-volume pump control, the hydraulic system engineer can design a circuit that will offer the best performance with the most efficient use of available energy....More
Understanding the basic parameters of electric motors is key when specifying one for a particular HPU application, so one must consider five basic factors: horsepower, rotational speed, voltage/phase, frame size/configuration, and enclosure....More
Voith’s CSH die-cushion drive, which consists of a servopump and a double-acting die cushion mounted underneath the bolster plate. needs no valves and significantly reduces energy consumption of the press....More
The Toro Co. has designed and patented a hydraulic traction circuit that enables a groundskeeper to easily manicure golf greens with the speed and convenience of a riding mower. The triplex configuration has two drive tires in front and a steering tire in back....More