Compact Positioning Stage Cuts down Cost


The VCS20-20-03-MC-01-XYZ is a closed loop, voice coil driven, XYZ positioning stage that is ideal for three-axis positioning applications. Cutting down on size and cost, this positioning stage uses voice coil motors instead of three-phase brushless linear motors.


The positioning stage uses the H2W voice coil motors NCC20-18-020-1A (XY Horizontal Axis) and NCC03-15-050-2X (Vertical Z-Axis).  The XY Horizontal Axis motors have a 2.00 in. [50.8 mm] stroke; generate 2.0 lbs [8.9 N] of continuous force and 6.0 lbs [26.7 N] of peak force. The Vertical Z-Axis motor has a 0.25 in. [6.4 mm] stroke; generates 5.0 lbs [22.3 N] of continuous force and 15.0 lbs [66.8 N] of peak force.


The 1.0-micron resolution encoders allow for precise positioning.  Supplied with precise linear bearings that allow for smooth and rigid motion, the motor coil is the moving part of the assembly in order to reduce the moving mass of the system.  Power is supplied to the motor via a high flex, high reliability flat ribbon cable.



  • Compact, small footprint positioning stage 
  • Light moving mass 
  • Three axes of coordinated motion 
  • Custom strokes, forces, and feedback resolution configurations available
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