列车滚动轴承感应加热器冲片(如图1),用一对一短边相套(如图2)紧密冲裁,可减小条料宽度,节省原材料。从经验可知:1.正面套裁后,若将条料翻过来套裁,则冲件始终是长边与短边相套(见图3),这就增加了条料宽度,必定费料。2.正面冲裁后,若将条料转180°(不翻面)套裁,则又分两种情况:(1)冲第一个冲片时(料头仅留一个搭边尺寸),若短边在前(按送料方向), Train rolling bearing induction heater punching (Figure 1), with a pair of short edge phase sets (Figure 2) close punching, can reduce the width of the material, saving raw materials. From experience we can see: 1. Positive nesting, if the strip over the nesting, then the punch is always the long side and short side phase sets (see Figure 3), which increases the width of the strip, must cost. 2. After the front blanking, if the strip turn 180 ° (not upside down) nesting, then divided into two situations: (1) punch the first punch (head leaving only a border size) If the short edge in the front (according to feeding direction)