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Sample Transporter with Motorized Linear Drive

Product code: RM40-0500-0030-DRVRMOTL

The RM40-DRVRMOTL is a linear-rotary feedthrough for ultra high vacuum applications, equipped with a stepper motor-driven one axis linear actuator. The motorized spindle drive is coupled to the air side magnet of the RM40 and controls the linear motion of the inner shaft. The sturdy linear unit ensures unchanging alignment of all components and consistent positioning.

Slide bearings guarantee for smooth operation of the sample transporter even after numerous bakeout cycles.

Please note that for bakeout the drive must be removed.


Specifications: Sample Transporter with Motorized Linear Drive

Sample Transporter DN40CF

  • linear travel: 500mm
  • retracted shaft length: 30mm
  • linear force: ~70N
  • torque: ~5Nm
  • bakeout temperature: 200 °C max.
  • pressure range 1E-11mbar to 1000mbar
  • fully UHV compatible materials



  • accuracy: ± 0,1mm / 300mm
  • toothed belt transmission for linear drive : 1:1
  • rotation effected manually (by hand) or blocked
  • linear unit has one adjustable (front end) and one fixed end switch (rear end, 0mm)

Downloads: drawing (pdf) | manuals

3D-model available on request

Stepper Motor Linear Drive:

  • Voltage: 8.8VDC
  • Amps/Phase: 1.0
  • Resistance/Phase: 8.8+/-10% Ohms
  • Holding torque: 1.32 Nm
  • Step angle: 1.8°+/-5%
  • controller not included

Download Datasheet


  • linear drive spindle pitch: 3mm

Possibly an end-user certificate (EUC) is required from purchaser.
Export licence from the State Secretariat for Economic Affairs (SECO) or Swiss Federal Office of Energy (SFOE) may be required

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