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Oil Hydrostatic Rotary Motion Tables

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ABTech HRT series rotary tables combined with high torque brushless DC servo motor and high resolution rotary encoders provide the highest performing rotary tables for ultra-precision machining and grinding applications.

Oil Hydrostatic Rotary Motion Tables – Product Specification

Oil Hydrostatic Rotary TablesAPPLICATIONS

Ultra-precision machining and grinding


Radial and axial error motion to less than 5.0 micro-inches (0.125 microns)


  • worktable diameter: 13.10″ (333mm)
  • 440C hardened stainless steel construction
  • direct drive brushless DC motor
  • high resolution encoder
  • maximum speed: 9 rpm
  • maximum load capacity: 1,000 lbs (454 Kg)


Oil Hydrostatic Rotary Tables

Hydrostatic Pump Unit

Hydrostatic Pump Unit (HPU): closed loop DC servo motor and gear pump with pressure sensor to prevent movement with low pressure

Drive amplifier and motion controllers