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Southern Manufacturing & Electronics

Farnborough, Hants(GU14 6XL)

11/02/2020 - 13/02/2020

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

High efficiency DC motor for demanding hydraulics applications

High efficiency DC motor for demanding hydraulics applications
A high efficiency DC motor for operation in hostile conditions has been developed by Astrosyn International Technology. The permanent magnet motor is intended to drive a hydraulic power pack for positioning the plough on a minefield clearance vehicle. 

Its intended location in a confined, hot environment and its high power output of 6.2kW meant that the motor's heat dissipation was a key consideration in its design. It is therefore fitted with a metal cooling fan and a slotted body area over its brush gear. A thermal sensor and thermal cut-out are also incorporated. Its high efficiency design, with low losses and a low input current, is also important in minimising heat output.

A hollow shaft enables the motor to be close coupled with the hydraulic pump. The motor uses rare-earth permanent magnets and low-loss lamination steel, with novel designs for its construction and windings. 

Operating from an 18-32V DC supply, the motor is designed to be powered from a motor vehicle, and its rugged construction makes it ideal for use in defence and other demanding applications.
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