Harmonic speed changer
Black, Paul H. Department of Mechanical Engineering, Ohio University, Athens, Ohio.
Last reviewed:January 2020
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A mechanical-drive system used to transmit rotary, linear, or angular motion at high ratios and with positive motion. In the rotary version (Fig. 1), the drive consists of a rigid circular spline, an input wave generator, and a flexible spline. Any one of these can be fixed, used as the input, or used as the output. Any combination (fixed, driver, or driven) may be used. See also: Splines
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