冷挤压凸模结构的改进  

Improvement of Structure for Cold Extrusion Punches

作　　者：李良福[1] 

机构地区：[1]无锡冶金机械厂,江苏无锡214151

出　　处：《模具技术》2000年第1期42-48,共7页Die and Mould Technology

摘　　要：研究了凸模形状、结构－ 工艺因素、压应力和拉应力对冷挤压凸模耐用度的影响。概述了提高凸模耐用度的具体途径。列出了高耐用度凸模的主要类型及其采用的条件。This paper studies the influence of both punch shape and constructivetechnological factors as well as the compressive and tensile stresses on the endurance of cold extrusion punches.Some ways to raise punch andurance are outlined.Basic types of high endurance punches along with the conditions are presented.

关 键 词：冷挤压凸模 耐用度 冲头结构 挤压模具 冷挤压 

分 类 号：TG375.41[金属学及工艺—金属压力加工]