磨活顶尖的方法有两种:一种是把整体活顶尖放在车床上磨;另一种是把活顶尖拆开来在磨床上磨。这两种方法经试验证明,第一种方法比第二种好。苏联车工拉库尔一直用第一种方法来磨削活顶尖,收到了极良好的效果。他所磨削的顶尖的振摆都不超过0.005公厘。现将他的经验介绍如下。 There are two ways to grind the top of the table: one is to place the overall top of the head on the lathe; the other is to remove the top of the spine and grind it on the grinder. The two methods have been tested to prove that the first method is better than the second one. Soviet car maker Rakul has been using the first method to grind the living top, has received very good results. He sharpened the top of the vibrating no more than 0.005 mm. Now his experience is as follows.