有些农机修理工和农机手对一些虽有磨损但仍属可用的零件,采取一概更换新件的做法,造成不必要的浪费。为了节省修理费用,提倡“修旧利废”,应全面掌握以下修复方法,使修后的零件接近原有性能。1.换位法利用零件磨损不均匀的特点将零件磨损的部分翻转或转 Some agricultural mechanic and agricultural machinery for some wear parts are still available, to replace the use of new practices, resulting in unnecessary waste. In order to save the cost of repairing and advocating “repairing and disposing of old and used waste,” the following repair methods should be fully mastered to make the repaired parts approach the original performance. 1 transposition method to use the characteristics of uneven wear parts will be worn parts of the flip or turn