目前机床电器线路上,标记线号的方法;是在电线上卡一个有色金属号牌,而在号牌上用酸蚀法作上或打上所需之线号。但这个方法做起来比较麻烦和浪费有色金属;而且又常因号牌掉失和导电而造成线路上的紊乱或短路。为了解决这个问题;电器组在指导资料中找到一份“在电线端氯乙烯胶管 At present, the method of marking the wire number on the electrical circuit of a machine tool is to wire a non-ferrous metal number plate on the wire, and use the acid etching method on the number plate to make or pull the desired wire number. However, this method is more troublesome and wastes non-ferrous metals; moreover, it often causes turbulence or short circuit on the line due to loss of the number plate and conduction. In order to solve this problem, the electrical appliance group found a copy of “vinyl chloride hose at the wire end