火花塞铁壳冷挤压技术

Cold Extrusion Technique for Spark Plug Housing

简述了火花塞铁壳制造工艺发展过程及采用冷挤压技术之经济及技术的意义 ,分析研究了几种冷挤压成形工艺方案的特点 ,指出各方案的适用范围 。

Introduces briefly the development of spark plug housing manufacturing technique,recommends cold extrusion technique due to its good economical/technological significance,analyses the characteristics of some different kinds of cold extrusion forming techniques,and shows their application ranges as well as some key problems in the practical uses.