Wittenstein – Galaxie® DF

Galaxie® DF is an ultra-flat hollow-shaft compact drive, radially integrated permanently excited synchronous motor with standard sensor systems.
Galaxie®, the radically new gearbox class, was nominated for the Federal President’s Award for Innovation in Science and Technology.


  • Very high torque density
  • Very high torsional rigidity
  • Hollow shaft for efficient media supply
  • Complete freedom from maintenance
  • Improved synchronization accuracy
  • Robust and precise output bearing
  • Zero backlash


  • Programmable motion control
  • Reduced costs for commissioning
  • Increased productivity
  • More stable processes
  • New, high performance machine generations
  • Greater competitiveness
Technical data
  • 3 sizes available on request: DF085, DF110, DF135
  • Actuator ratio i = 24
  • Hollow shaft: 26 to 75 mm
  • Max. output speed: 126 rpm
  • Max. acceleration torque up to 7512 Nm
  • Nominal torque up to 3130 Nm
  • Torsional rigidity up to 2700 Nm/arcmin
  • Integrated water cooling
  • Different encoder systems for connection to standard industrial controllers
  • PT1000, KTY and PTC temperature sensors
  • 560 VDC bus voltage (as standard)
  • Additional sensors
Galaxie® D
  • Permanent magnet holding brake
 Galaxie® DF
  • Mechanical adaption with flange geometry in B5 or B14