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目前国内一些主要研制平面二包蜗轮副厂家的蜗轮副制造工艺,在加工蜗杆方面,工艺基本上一样。蜗杆粗加工,用车刀先车出齿沟,而后用平面砂轮精磨成形。从原理上说就是先用直线包络形成齿沟,而后用平面包络精确成形;我们还看到,在蜗杆工作图上所给出的分度圆齿厚测量数值,也是用直线包络弧面蜗杆分圆齿厚计算公式算出来的,即:
At present, some of the major domestic development flat worm worm gear manufacturers vice manufacturing process, in the processing of worm, the process is basically the same. Worm roughing, the first out of the car with a car ditch, and then grinding with a flat grinding wheel shape. In principle, the groove is formed by a straight line envelope, and then the plane envelope is used to precisely shape the tooth groove. We also see that the tooth thickness measurement value of the indexing circle given on the work pattern of the worm is also measured by a straight envelope curve Surface worm tooth thickness calculating formula calculated, namely: