拖拉机在保养维修中,对于零件好坏的鉴定和损坏的修复是一项极其重要的工作。现将拖拉机零件鉴定与修复的几种方法介绍如下。1.鉴定方法(1)经验鉴定法①观察鉴定。可以用来检查零件表面严重的磨损和损坏,如折断、破裂、剥落、烧损、变形、裂纹和变质等。②敲击鉴定。如听敲击发出的声音可以判断零件内部有无裂纹和破损情况等。③感觉鉴定。例如配合件的间隙,在无量具的情况下往往 Tractor repair and maintenance, the identification of good and bad parts and repair damaged is an extremely important task. Now tractor parts identification and repair of several methods are described below. 1. Identification methods (1) experience identification method ① observation and identification. Can be used to check the parts surface of the serious wear and tear, such as broken, broken, peeling, burning, deformation, cracking and deterioration. ② percussion identification. If you listen to the sound of percussion can determine whether the internal parts of the crack and damage. ③ feeling identification. For example, the gap with the pieces, in the case of no amount of equipment often