Gear Motors Roquet is a premium manufacturer of gear pumps and motors ranging from 0.33-150 cm 3 /rev. As standard, all Roquet gear motors are manufactured with cast iron front and rear covers reducing noise and increasing the product s life cycle. This design also enables the unit to accommodate in-built valves for speed control, etc. Roquet gear motors have an anechoic chamber where engineers have designed the gear profi le to reduce noise levels. Gear Motors A gear motor is a mechanical actuator converting hydraulic pressure and flow into shaft rotation and torque. It is the rotary counterpart of the hydraulic cylinder. Similarly to a gear pump, a gear motor consists of two identical interlocking gears, the driven gear and the idler gear. High-pressure oil enters the inlet side of the motor and n ows around the outer periphery of the gear teeth - the gears mesh, which prevents the oil from coming back to the inlet from the outlet side. For lubrication, a small amount of oil from the pressurised side bleeds through the bearings, and vents to the low pressure side, or through the drain port.
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