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对齿轮轮齿进行齿向修正(鼓形齿)、齿形修缘(修缘齿)具有重要的意义。我们通过研究试验在插齿加工和剃齿加工的基础上,采用电解加工方法,获得了比较满意的“鼓形齿”、“修缘齿”,且齿形精度能提高1～2级(不包括修缘部分),齿面的表面光度能提高2级。经齿轮运转试验证实,这种齿轮对提高齿轮使用性能,降低噪声,改善接触区域等都极为有利。同时齿轮寿命试验表明,电解加工插齿齿轮的寿命能提高50%以上,电解加工剃齿齿轮的寿命能提高一倍以上.这种工艺所需设备简单,方法简便,容易掌握。本文介绍了电解加工“鼓形齿”、“修缘齿”齿轮工艺的基本原理,工艺方法及合理的工艺参数,并讨论了有关大型齿轮和内齿轮加工工艺问题.
Tooth gear tooth correction (drum teeth), tooth repair edge (repair teeth) is of great significance. Through researching and experimenting, we have obtained the satisfactory “crowning teeth” and “edging teeth” based on the processing of tooth shaving and tooth shaving by using the electrolytic machining method, and the tooth profile accuracy can be improved by 1 to 2 grades Including repair edge), the surface brightness of the tooth surface can be increased by 2 levels. The gear running test confirmed that this gear to improve gear performance, reduce noise, improve the contact area are extremely beneficial. At the same time, the gear life test shows that the life of electrolytic machining gear can be increased by more than 50%, the life of electrolytic gear shaving gear can be more than doubled, the equipment required by this technology is simple, the method is simple and easy to master. This paper introduces the basic principle, process method and reasonable process parameters of electrolytic machining “drum tooth” and “repair edge tooth” gear, and discusses the processing technology problems of large gear and internal gear.