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简要叙述了采用滚压法加工60°圆锥螺塞螺纹要优于普通切削加工法；结合生产实际说明了长径比小于1、锥度为1：16的锥螺塞螺纹毛坯直径及其滚压时间的确定方法。
A brief description of the use of rolling 60 ° conical screw thread is better than the ordinary cutting method; combined with the actual production shows the aspect ratio of less than 1, taper 1:45 conical screw plug thread blank diameter and rolling time Determine the method.