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与蜗杆相啮合的蜗轮轮齿均随蜗杆的齿形而异,因此,蜗轮轮齿的滚切加工成形,在理论上采用与蜗杆相同的滚刀或单齿飞刀进行范成滚切加工蜗轮轮齿,且要保证蜗杆传动的中心距与滚切蜗轮的中心距在理论上也应相同。在这种情况下滚切的蜗轮轮齿,才能与蜗杆处于正确的啮合状态。但滚切蜗轮的刀具,不仅取决于蜗杆的特性系数,蜗杆分度圆柱上的螺旋升角及蜗杆的轴向模数等因素,而且加工不同尺寸的蜗轮轮齿,应采用与其特性系数、螺旋升角及轴向模数相符合的蜗杆式滚刀进行范成滚切加工。虽然蜗轮滚刀已经标准化了,但对于仅仅为制作少量,单件或修配件而购制一把与蜗杆参数完全相符合的蜗轮滚刀,就很不经济。然而,对于精度要求不高的蜗
Worm gear teeth meshing with the worm are different with the tooth profile of the worm, therefore, the worm gear tooth hobbing process forming, in theory, the worm or the same hob or single-tooth fly knife Fan Cheng hobbing worm gear Gear teeth, and to ensure that the distance between the center of worm drive and hobbing cutter wheel center distance in theory should be the same. In this case, the hobbing gear teeth can be properly meshed with the worm. However, hobbing cutter hobbing, not only depends on the characteristics of the worm coefficient, the helical pitch angle on the worm cylinder and the axial modulus of the worm and other factors, and processing of different sizes of worm gear teeth should be used with its coefficient of performance, the spiral Angle and axial modulus of the worm-type hob Fan into the hobbing process. Although the worm gear hob has been standardized, it is not economical to make a worm gear hob that exactly matches the worm’s parameters for just a small number of parts or parts. However, for less demanding accuracy of the worm