概述冷拉钢丝用的硬质合金模具其加工方式一般可采用机械研磨、电加工两种方法。我厂用的拉丝模多数采用机械研磨方法,效率低、质量羌、劳动强度高、磨料消耗大。一九七二年在厂党委的领导和关怀下,广大革命职工遵照毛主席关于“人类总得不断地总结经验,有所发现,有所发明,有所创造,有所前进。”的教导, Overview of cold-drawn steel wire used in carbide die processing methods generally can be mechanical grinding, electric processing two ways. Most of the drawing dies used by our factory adopt mechanical grinding method, which have low efficiency, high quality Qiang, high labor intensity and abrasive consumption. In 1972, under the leadership and care of the party committee of the factory, the vast number of revolutionary workers obeyed the teachings of Chairman Mao on the principle of “human beings always summarize experiences, find out, invent something, create something, and make progress”