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螺母两端孔口螺纹牙顶宽小于标准要求的宽度,称为内螺纹不完整牙。不完整牙形成毛刺尖锋,影响使用和装配; 对于滚珠螺母、梯形螺母和环规需要去除不完整牙。过去,用手工剔去不完整牙。为了提高生产效率,设计制造了铣内螺纹不完整牙夹具。该夹具如图所示,由带花键的主轴、蜗杆、蜗轮、夹具体主要部分组成,装在C618车床溜板上。
Both ends of the nut mouth thread teeth top width is less than the standard width, known as incomplete thread internal teeth. Incomplete teeth form a glitch spike that affects use and assembly; for ball nuts, trapezoidal nuts, and ring gauges, incomplete teeth need to be removed. In the past, ticking incomplete teeth by hand. In order to improve production efficiency, the design and manufacture of incomplete thread milling dental fixture. The fixture as shown, from the main shaft with a spline, worm, worm wheel, clamp the main components, mounted on the C618 lathe slide.