在车床大修中,常要更换开合螺母座和横进给螺母。此时,准确地找出其中心位置是保证替换件加工和装配精度的前提条件。 在修理实践中,我们用图1所示的撞子,按图2所示的方法,把已加工好的,但未做出内孔的整体开合螺母座装在溜板箱上,左右移动溜板箱,使其在开合螺母两侧端面上撞出 Overhaul in the lathe, often want to change the opening and closing nut seat and cross feed nut. At this point, accurately find the center position is to ensure that the replacement parts processing and assembly accuracy of the preconditions. In the repair practice, we use the collision shown in Figure 1, according to the method shown in Figure 2, has been processed but not made in the hole opening and closing the overall nut on the slide box, move left and right Skateboard box, so that the opening and closing nuts on both sides of the collision surface