江苏省齿轮行业网与郑州机械研究所齿轮情报总网联合举办如下两种学习班。 (一)齿轮机床维修学习班(要求从事机床维修工作两年以上的人员)学习主要内容:滚、插、剃、珩机床原理、构造使用,保养修理。时间暂定为九○年三季度。 (二)齿轮热处理学习班(要求技术人员或从事热处理操作两年以上的人员)学习 Jiangsu Province Gear Industry Network and Zhengzhou Institute of Machinery Gear intelligence network jointly held the following two classes. (A) gear machine maintenance classes (requires maintenance personnel engaged in machine maintenance for more than two years) to learn the main contents: Rolling, insertion, shaving, honing machine principle, structure use, maintenance and repair. The time is tentatively scheduled for the third quarter of 1990. (B) gear heat treatment classes (requiring technical staff or engaged in heat treatment operations for more than two years of staff) learning