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You are here: Home / Motors / Gearmotors / D Series Cast Iron Gear Motor

D Series Cast Iron Gear Motor

April 3, 2009 By Motion Control Tips Editor Leave a Comment

AMES, Iowa – Sauer-Danfoss’ (NYSE:SHS) new D Series cast iron gear motor provides a 276 bar [4000 psi] solution in a ductile, three piece housing, complete with an electrohydraulic proportional relief valve. Suited for heavy duty fan drives and powering work functions, from mining conveyors, road pavers and crushers to flail and side angle mowers, it perfectly complements the Sauer-Danfoss D Series cast iron gear pump.

The D Series motor is an excellent choice for variable speed fan drive systems. In addition to handling very high cooling demand, an EH proportional relief valve maximizes available machine horsepower by providing cooling only as needed. The electronic interface makes the D Series motor fully PLUS+1™ Compliant to integrate with PLUS+1™ microcontrollers and other compliant products including sensors and graphical displays.

sd-gearmotor-1.jpg

Increased Performance
The D Series motors exceed the capabilities of aluminum motors in applications requiring high pressure, 276 bar [4000 psi] vs. 207 bar [3000 psi], high temperatures and duty cycles. Fan speeds can be controlled to maintain optimum engine and hydraulic system temperatures. Fan reversing capability enables a radiator cleaning cycle. When used in conveyors, the D Series motors offer excellent starting torque to control the conveyor speed while optimizing feed rates and maintaining speed under varying load conditions.

Greater Efficiency/Extended Life
The use of the EH proportional relief valve makes fan drives up to 50 percent more efficient than direct or belt drives. In the remote possibility of valve failure, fan speed defaults to the highest setting to maintain cooling integrity. The D Series motors also incorporate high temperature seals and a dust resistant shaft seal which improve performance under extreme temperature and pressure conditions – and extend operating life. The bronze sleeve bushings in the front flange are lined with Teflon® PTFE, and provide increased radial load capability before requiring the use of outrigger bearings.

sd-gearmotor-2.jpg

Installation Flexibility
The D Series compact design is 20 percent smaller than a conventional motor. Shorter length and consequent higher power density help to ease installation in tighter places. The side or rear port options come in a variety of styles, and add to greater machine design flexibility.

www.sauer-danfoss.com

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Filed Under: Gearmotors, Gears + Gearing, Mechanical PT Tagged With: Sauer-Danfoss

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