PM process for manufacturing guide plates in pneumatic nailing machines was described and the design of tooling structure was discussed. A new toolingmaterial was used.
介绍了气动打钉机导向板粉末冶金工艺，讨论了其模具结构设计，采用了一种新型的模具材料。
2
The properties and preparation of a tooling composite material of bismaleimide resin modified with glass cloth and carbon cloth were introduced in this paper.
It selects cotton blended fabric raw material, technique of polyester cotton fabric, no lining, gray, resistance dirty wear-resisting, tooling in the finest selection.