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根据生产需要,我们把车床主轴端的死顶尖改进为可伸缩的弹簧顶尖。当顶尖2(附图)顶入工件的中心孔后,在顶紧力大于弹簧6的弹力
According to the production needs, we improve the dead center of lathe spindle end to retractable spring tip. When the top 2 (with photos) into the center hole of the workpiece, the top tightening force is greater than the elastic force of the spring 6