我厂使用千分表和百分表较多,在修理中经常发生套筒松动现象,特别是铝制外壳的修理困难较多.通过实践摸索出下面两种方法. 1.将松动的套筒拔出,在套筒外园上均匀分布地磨三个宽度为3毫米左右的小平面(见附图).然后在平面上垫上适当铜片,把外壳和套筒压紧. My factory use dial indicator and dial indicator more, often in the repair sleeve loosening phenomenon, especially in the aluminum casing repair more difficult.Through practice to explore the following two methods. 1 will be loose sleeve Unplug it and grind three facets with a width of about 3 mm uniformly distributed on the outside of the sleeve (see attached figure), and then apply a suitable copper sheet to the flat surface to compress the shell and the sleeve.