This paper discusses the mesh theory, mesh parameters and strength of ringworm and roller worm gear drives, and provides the calculation formulas for the design of this kind of drives.
本文全面论述了环面蜗杆滚子蜗轮传动的啮合原理、啮合参数及其强度，并提供了设计计算公式。
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The optimum design of plane quadratic enveloping ring surface worm drive has been realized using the theory and method of optimization.