论文部分内容阅读
采用φ2~5mm钻头在Z512钻床上,加工2、4类轴承(特大型轴承除外)铜保持架铆钉孔时,选用NQ-1水剂切削液代替20~#机油冷却,效果很好.
The use of φ2 ~ 5mm drill Z512 drill, machining 2,4 kinds of bearings (extra large bearings) copper cage rivet holes, the choice of NQ-1 agent instead of 20 # coolant cutting oil cooling, the effect is very good.