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本文分别阐述了用展成车削和展成磨削两种双自由度展成原理作为精加工手段得到的圆柱蜗杆的齿面几何参数的计算方法,其中包括齿廓截形、各点的压力角、主方向和主曲率及齿形曲率的公式和算法.这些参数对于深入分析这类新型蜗杆副的啮合特性以及蜗轮滚刀的设计都是非常重要的,同时也是设计加工局部接触蜗杆副的蜗轮滚刀的原始依据.
This paper respectively elaborates the calculation method of the geometric parameters of the tooth surface of the cylindrical worm gear obtained by using the two degrees of freedom developed by turning and unwinding grinding as the finishing means, including the tooth profile truncation, the pressure angle at each point , The main direction and the main curvature and the curvature of the tooth formula and algorithm for these parameters for in-depth analysis of the meshing characteristics of this new type of worm gear and worm hob design is very important, but also the design and processing of partial worm contact worm The original basis of the hob.