LAV Cavity Tuner

Linear Actuator Design e.g. for Particle Accelerator Cavity Adjustments

Cavity Tuner



Technical Details

Spindle motor design for particle accelerator applications based on the VSS standard:

  • Stepper motor with 200 steps/rev (1.8°), with integrated gear 50:1 (10:000 steps/revolution)
  • Designed for 1300N axial force
  • 42 V, 1.2 A
  • Spindle and nut system, non magnetic
  • Material for housing, flanges and internal parts stainless steel or titanium
  • Dry lubricated suitable for usage under vacuum at -270 °C up to +40 °C (also as grease lubricated version for environments > -35 °C)
  • Optional EMC cable shielding
  • Thermocouple K-type in winding


  • research
  • beamlines
  • high-energy physics
  • particle accelerators