在修理C620-1普通车床时,根据尾座孔的磨损程度,决定更换或修复尾座空心套。一般修复尾座空心套有两种方法:1)当尾座孔磨损时,先珩磨孔恢复精度。空心套修复工艺路线是:两端镶闷头,磨小外圆再镀铬,头部槽口镶工艺键(见图1),配磨外圆,搭中心架修磨内锥孔。2)当尾座孔荃本完好,空心套修复工艺路线是:外圆头部配工艺套(见图2),搭中 When repairing C620-1 ordinary lathe, according to the tail hole wear degree, decided to replace or repair tailstock hollow sleeve. General repair tailstock hollow sleeve in two ways: 1) When the tailstock hole wear, the first honing hole to restore accuracy. Hollow sleeve repair process is: both ends of the head with a thick, small cylindrical grinding chrome again, the head notch inlaid technology keys (see Figure 1), with the mill outer circle, take the center frame to repair the inner cone hole. 2) When the tail hole Tsuen this intact, hollow sleeve repair process is: the outer head with the craft sets (see Figure 2), take the