我厂加工细纱皮辊壳的内孔时,周金铭和尹超两位同志学习了先进经验,利用“球形压力”在车床上冲压(如图1),使光洁度及精密度达到要求,生产率还提高了十倍。因工件内径是12.85±0.03m.nc,为了得到合适的钢球,我们试验成功了一种钢球磨小的方法。这种方法是,把3/8厚的硬橡皮固定在木板上,木板卡在车床卡盘上,在橡皮的平面上挖一条约7尺的半圆槽(槽宽须小于磨好以后的钢珠直径),另外再把顶面钻有圆孔的油石固定在车床小刀架上,把直径较大的钢珠卡在半圆槽与油石圆孔处(如图2),车床转速 When I process the inner hole of the shell of the fine yarn roller, Zhou Jinming and Yin Chao learned the advanced experience and used the “spherical pressure” to stamp on the lathe (as shown in Figure 1) to make the finish and the precision meet the requirements. The productivity Increased by ten times. Due to the workpiece diameter is 12.85 ± 0.03m.nc, in order to get a suitable ball, we successfully test a ball milling method. This method is to 3/8 thick hard rubber fixed on the wooden board stuck in the lathe chuck in the rubber plane dig a 7-foot semi-circular groove (Groove width to be less than after grinding ball diameter ), And then the top of a round hole drilling stone fixed to the lathe knife holder, the larger diameter steel ball stuck in the semicircular groove and whetstone hole (Figure 2), lathe speed