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Linear Motion

8" CF Standard Linear Shifts

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Lesker 8" CF Standard Linear Shifts

The Kurt J. Lesker linear transfer mechanisms are UHV clear-bore bellows assemblies in which the top flange moves toward or away from the bottom flange, maintaining parallelism.

  • Rugged design ensures smooth and precise motion along the Z-Axis
  • Support high loads, but the actuator should be carefully chosen to suit the physical effort and precision required for positioning
  • Flange options: 1" O.D. (MicroFlange), 1-1/3", 2-3/4", 41/2", 6", or 8" O.D. CF with straddled bolt-hole orientation, metric tapped holes as standard
  • Demountable bellows assembly
  • Precision stainless steel ACME leadscrew
  • Precision-ground stainless steel guide system


  • Designed for the linear movement of large flange-mounted instruments with minimum tilt or wobble in the movement, and enabling precision alignment before and after pump-down
  • Manual units operate handwheel drives
  • Motorized units driven by stepper motor or DC motor mechanisms
  • Drives support bellows assemblies in a precision kinematic guide system, complete with anti-rotation and anti-deflection systems
  • Standard travel distances of 25 mm through 100 mm (custom units available)
  • HLSM Series has tapped flanges on top and clear bolt holes on the bottom mounting flange
  • Ideal for manipulation of surface science tools with respect to a sample's position, manipulation of evaporation and sputter sources, substrate and source shutters, sample heating tage adjustment, sample transfer applications, and general sample manipulation





Lesker 8" CF Standard Linear Shifts

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