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Optimised for your applications

  • Optimal design solution
  • Lower production costs
  • Small machine footprint
  • Consistent product quality

Features of HDUR/FR Series

  • Flat and thin shape
  • High torque capacity
  • Compact and simple design
  • High positioning and rotational accuracies
  • Coaxial input and output


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    HDUF/FB Series Component Types


    The HDUF/FB Series Component Type has pursued flatness and thinness. It consists of four parts and operates using the same principle as the cup type series. The flexspline of the pancake type is shaped like the flexspline of the cup type with a cut bottom and is structured to have an additional circular spline with the same number of teeth as the flexspline.

  • HDUA

    Differential gear HDUA/FD Series


    The differential gear HDUA/FD Series is an extremely compact differential unit that allows you to fine-tune the phase and timing during operation by applying the unique operating principle of Harmonic Drive®.
    The HDUA/FD Series consist of four parts like the pancake-type component unit. The unit type is cased so that the gear and pulley for transmission can be directly installed in it.