A smoothing tool is developed for commutator plates in electric motors. The dependence of the surface roughness on the applied tool force is established.

中文翻译：

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电机维修中换向片表面塑性变形

为电动机中的换向器板开发了一种平滑工具。确定了表面粗糙度对施加的工具力的依赖性。