【摘要】 本文讨论了几种齿轮啮合情况下如何计算渐开线起测点长度的问题．作者从检查７级以上齿轮时需测量的渐开线起测点长度出发，总结出一套行之有效的计算公式，并用Ｃ语言调试成功一套应用软件．更多还原

【Abstract】 According to the initial survey point of over grace 7 gears involute,how to calculatethe length of initial survey point under the cases of several gear meshes is discussed,a set of effective computing formulas is summarized and a nest of application soft ware is debugged withC language.更多还原