部标准《渐开线圆柱齿轮传动 模数 基准齿形 公差》(HB0-91-76)是在总结我部工厂生产、使用实践经验的基础上,通过一定的理论计算、分析比较、试验与实测工作,并参考了国内外有关标准而制订的。它包括适用范围、模数、基准齿形、公差的定义和代号、精度等级和最小侧隙种类、公差和检验等内容。现对标准的几个有关问题作如下简要介绍。 Department standard “Involute cylindrical gear drive module reference tooth tolerance” (HB0-91-76) is based on the summary of my factory production, the use of practical experience, based on a certain theoretical calculation, analysis, comparison, test and measurement Work, and made reference to the relevant standards at home and abroad. It includes the scope of application, modulus, datum profile, definition and designation of tolerance, accuracy class and minimum backlash type, tolerances and inspection. Now the standard of several related issues as follows briefly.