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Stöber PHA-MF
servo gear

  • Planetary gearbox – highly accurate
  • Rated torque to 5000 Nm
  • 4:1 – 100:1 / 1 – 2 arcmin
Stober_ServoFit_planetary-gearbox_PH
FlexiAdapt

Axial planetary gearboxes with flange output shaft and with helical precision gearing. For extreme demands on torsional and tilting rigidity. With high accuracy and quiet running.

7 sizes planetary gearboxes (PHA3 to PHA10).

Accelerating torques of 50 to 7,500 Nm.

Gear ratio range from 1 = 4 to 100 (up to PHA8) or from 9 to 10 (PHA9 and PHA10).

Backlash smaller than 1 - 2 arcmin.

Optional ServoStop: with a in the motor adapter integrated fail-safe brake.

The planetary gearbox can be supplied with a motor adapter and backlash-free FlexiAdapt® coupling, suitable for every type servo motor. This coupling compensates thermal expansion of the motor.

The Advanced Power Line planetary gearbox is characterized by the output shaft executed as flange (according to IAO 9409) (PHA3-PHA8). Through the helical precisionn planetary gearing and construction, the gearbox has high torsional and tilting rigidity, high accuracy and runs extremely quiet.

  • Quick response, short lines
  • Renowned manufacturers
  • Profound product knowledge
  • High reliability

We supply slewing ring bearings, oscillating mountings, tensioner devices from stock and we also have spiral bevel gearboxes, servo gears and electromechanical actuators in our delivery program.


In addition we also select and offer the right components and systems for motion control solutions, such as servo gear motors, linear servo actuators and complete XYZ cartesian systems.

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