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Orbit Motors

LOW SPEED HIGH TORQUE HYDRAULIC MOTORS
OMR

Capacities 50cc - 400cc/rev


Speeds 0-970rpm


Pressures up to 225bar
Sauer-Danfoss 'Orbit' type hydraulic motors operate on the principle of an internal gear rotating within a fixed external gear. The internal gear transmits the torque generated by the application of pressure from the hydraulic oil fed into the motor which is then delivered via the motor's output shaft. Typical applications for these motors are winch drives, mixer drives, elevator drives, small vehicle transmissions & machine tools.
 

 

 

ADVANTAGES

CONSTANT OPERATING TORQUE

Choosing the correct capacity of motor for your particular application will ensure an almost constant output torque across the operating speed range.

HIGH STARTING TORQUE

Torques from a stalled condition can be typically 80% of the equivalent running torque, ensuring good starting performance.

TWO BOLT SAE 'A' FLANGE MOUNTING
The standard mounting is the widely used SAE A two hole flange, but units are also available with the USA type 4 hole tapped flange.

HIGH PRESSURE SHAFT SEALS

High pressure shaft seals can allow units to be operated upstream of another function, without the need for additional seal drains.

Ordering

OMR50cc 151-0410 151-0420

OMR80cc 151-0411 151-0421

OMR100cc 151-0412 151-0422

OMR125cc 151-0413 151-0423

OMR160cc 151-0414 151-0424

OMR200cc 151-0415 151-0425

OMR250cc 151-0416 OMR250cc 151-0426

OMR315cc 151-0417 OMR400cc 151-0418

Description

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 6B shaft BSP ports

2 bolt A mount 25mm shaft BSP ports
2 bolt A mount 25mm shaft BSP ports

Temperature

Oil temperature should be between +30ºC & +60ºC during normal operation. Oil life is greatly reduced if temperature exceeds 60ºC. As a general rule, oil life is halved for each 8ºC temperature exceeds 60ºC.

Filtering

It is necessary to keep the level of contamination within a hydraulic system at an acceptable level to ensure trouble free operation. Filtration should always be specified at a level that protects the most sensitive item or component in the system.

 

 

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