在地质勘探部门中的机械修配与制造工作中,每年要消耗大量的锉刀。一般锉刀用到一定的时间,则就要磨钝,往往也就将锉刀报废。而实际上每把锉刀是可以翻新十多次继续使用的。经过翻新的锉刀,其切削能力并不次于新锉刀。而翻新的工作,并不复杂,也很经济。锉刀最简单最经济的翻新方法是化学翻新。它不需要什么设备,在野外队的机械修配车间中可以进 In the work of mechanical repair and manufacturing in the geological exploration department, a large number of sickles are consumed each year. When a trowel is used for a certain period of time, it must be dulled, and often it will be scrapped. In fact, every sickle can be renewed and used more than ten times. After the trowel has been refurbished, its cutting ability is not inferior to the new file. The renovation work is not complicated and economic. The simplest and most economical refurbishment method for trowels is chemical refurbishment. It does not require any equipment. It can be entered in the field repair workshop.