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在车床的切剖加工中,常遇有一种滚花工艺。通常的滚花方法是用直绞刀滚直纹花,用两把相反角度的斜纹刀滚网纹花。但是这种方法对车床的主轴和中拖板的进给丝杆与活灵(螺母)等部分有严重的损坏作用。尤其是成批零件的生产。因为零件的直径尺寸是靠中摇手的刻度来控制的,若该零件如夹有滚花的要求(图1).就会有在同一刻度位置出现不同尺寸的毛病。这是由于滚花刀与被滚零件的大面积接触而产生强大的径向推力的缘故,特别是超过滚花刀宽度的长面积滚花给机床的损坏性更为明显。因为长面积的滚花加工中,有个
Cut in the lathe cutting processing, often encountered a knurling process. The usual method of knurling is to use a straight cutter knifed flower, with two opposite-angle twill knifes flower. However, this method has serious damage to the spindle of the lathe and the feed screw and live spirit (nut) of the middle carriage. In particular, the production of bulk parts. Because the diameter of the part is controlled by the scale of the hand, if there is a knurling requirement on the part (Figure 1), there will be different sizes at the same scale. This is due to the knurled knuckle and roll parts of the large area contact and the resulting strong radial thrust, especially over the width of the knurled knurl knurled knurling machine damage to the more obvious. Because of the long area of knurling, there is one