"范成"是个多义词，它可以指范成（清末民初僧人）,范成（海南范氏始祖）,范成（辉县市正县级领导）,范成（《三国演义》人物）。
介绍了齿轮范成运动动态显示原理与程序设计，以及实验内容的安排。
The principle of dynamic showing of gear enveloping movement, program design and the arrangement of the experiment content were presented.
基于齿轮的范成加工原理，提出了一种变速比齿扇齿廓的定中心距齿轮建模法。
Based on the principle of gear machining generating method, a modeling method - variable center distance gear modeling method for variable ratio gear sector profile is put forward.
本文讨论球面范成法成形的一般原理，分析和计算范成表面的形状偏差，给出若干数据和结果。
The general principle of the precise spherical generation is discussed. The deviation of the resulting surface shape is analysed and calculated. Some data and results are given.
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