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在小模数渐开线花键孔的拉削中,我国的一些工厂,虽然在拉刀的设计和制造方面取得了很大的成就,但也还有许多问题没有得到很好地解决。诸如;拉刀易断裂,寿命低;被拉削的花键孔表面光洁度不好,甚至有很深的划伤等等,直接影响生产正常进行。据了解,目前有关拉刀设计的资料和书籍中对这些问题也未提出有效的解决办法来。试验数据和拉刀设计参数都不全,这说明目前对小模数渐开线花键孔拉削的研究和重视是不够的。但在生产实践中却又经常遇到这方面的问题。
In the small modulus involute spline hole broaching, some of our factories, although the broach in the design and manufacture of great achievements, but there are still many problems have not been well resolved. Such as; broach easy to fracture, low life expectancy; was splined spline hole surface finish is not good, or even deep scratches, etc., a direct impact on normal production. It is understood that the current broach design information and books on these issues have not put forward an effective solution. Experimental data and broach design parameters are incomplete, indicating that the current research on small modulus involute spline hole broaching and attention is not enough. However, in production practice, but often encounter this problem.