The technology for tightness improvement of the Ni austenitic cast iron cable head is studied. 分析了提高镍奥氏体铸铁电缆插头铸件致密性的工艺方案。
The paper introduces in detail the material selection , machining technology and geometrical calculation of the lining for the groove of the headgear sheave. 详细介绍了矿井提升天轮槽衬的材料选用，加工工艺方案的设计及几何计算。
