Article
Article
Harmonic speed changer
Article By:
Black, Paul H. Department of Mechanical Engineering, Ohio University, Athens, Ohio.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.308800
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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