我厂生产的 GY 型自动张开滚压式板牙头是利用塑性变形加工外螺纹的一种工具。它有下列特点:(1)可以滚压光洁度▽▽▽7以上和2级精度以上的外螺纹工件;(2)滚压螺纹的速度高,生产效率高;(3)螺纹加工后,圆滚模能自动张开,操作简便安全;(4)圆滚模不需刃磨;(5)滚压螺纹的强度和耐磨性较切制的高; GY-type automatic opening rolling die head I plant is the use of plastic deformation of a tool for external thread. It has the following features: (1) can be polished finish ▽ ▽ ▽ more than 7 and 2 precision above the external thread workpiece; (2) high speed rolling thread, high production efficiency; (3) after thread machining, The mold can be opened automatically and the operation is simple and safe; (4) the circular rolling mold does not need to be sharpened; (5) the strength and abrasion resistance of the rolling thread are more cut than the cut;