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端齿盘已在精密测角、分度及精密机械加工等领域中得到广泛地应用。影响端齿盘工作精度的因素很多,但主要取决于齿盘的加工精度,而最终精加工又是决定齿盘加工精度的关键。因此,深入探讨端齿盘的情加工工艺是很有必要的。 1440齿端齿盘的结构形状如图1所示,主要技术要求是:(1)分度精度为0.2“;(2)重复定位精度为0.03”;(3)上齿盘工作台面的平面度为0.001(?)m,Ra>0.08～0.16μm;(4)上齿盘工作台面与
End gear has been widely used in the fields of precision angle measurement, indexing and precision machining. There are many factors that affect the work accuracy of the chainring, but it mainly depends on the processing precision of the chainring. The final finishing is the key to determine the precision of the chainring. Therefore, in-depth discussion of the end gear disk processing technology is necessary. The structure of the 1440 tooth gear is shown in Figure 1. The main technical requirements are: (1) the indexing accuracy is 0.2 “; (2) the repeat positioning accuracy is 0.03”; (3) Flatness of 0.001 (?) M, Ra> 0.08 ~ 0.16μm; (4) on the gear table and table