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SFS81 Series

Servo Finishing Stand

The PushCorp SBS81 Servo Finishing Stand combines compliant force control with a high-torque servo motor. This precise force and speed control allows you to achieve unprecedented levels of quality and consistency.

The SBS81 Servo Finishing Stand is designed to enable maximum flexibility for any part-in-hand (i.e. grinding, sanding, buffing or polishing) application.  Linear travel compliance and excellent media access allow a robot to easily manipulate small parts over the  contact wheels.

The contact wheels of the SBS81 Servo Finishing Stand are belt driven by a high-torque servo motor.  This drive system has a 2:1 reduction that provides plenty of power at the contact wheels.

Here are just a few operations the SBS81 Servo Finishing Stand, matched with the proper process equipment, can accomplish faster, more accurately, and with greater control than ever before:

  • Casting gate removal
  • Deburring (parting lines, chamfer)
  • Polishing (glass, wood, metal)
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SFS81 With Controllerl


  • Passive Force Control
  • Servo motor amplifier included
  • Contact wheel position output
  • Accurate media speed control
  • 1.6 in [40 mm] linear compliant stroke
  • All fittings, fasteners, and threaded holes are METRIC
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Max Applied Force: 100 lbs [444 N]
Force Resolution:1.4 lbs/psi [90.4 N/Bar]
Compliant Stroke:1.6 in [40 mm]
370 lbs [168 kg]
Supply Air:Dry, 5µm Filtered, Non-lubricated, 80 psi [5.5 Bar] max
Horsepower:5.7 hp [4.28 kW]
Continuous Stall Torque:14.7 lb· ft [20 N·m]
Output Shaft Speed:0-2000 rpm (Reversible)
Specifications subject to change without notice.
U.S. Patent No. 5,448,146