5CrMnMo钢热锻模使用寿命短的原因及改进  

Causes for Short Service life of Hot Forging Die of 5CrMnMo Steel and Improvements

作　　者：张凌志[1] 何建伟 李保国 

机构地区：[1]西安交通大学机械学院,陕西西安710049 [2]郑州郑工机械集团有限责任公司,河南郑州450051

出　　处：《热处理》2003年第4期43-45,共3页Heat Treatment

摘　　要：通过改进锻造工艺,根据锻模的尺寸和形状确定热处理技术要求,淬火加热前进行预热,改进回火工 艺以及改进使用方法等一系列措施,提高了5CrMnMo钢热锻模的使用寿命,提高了企业的经济效 益。The service life of hot forging die of 5CrMnMo steel was increased by meanse of a series of measures, such as an improvement on forging process, defining heat treatment technical requirements according to size and shape of the forging die, preheating before quenching heating, an improvements on tempering process and operating way of the die. As a result, economic efficiency was improved on.

关 键 词：5CRMNMO钢 热锻模 使用寿命 改进 热处理 预热 淬火 回火 

分 类 号：TG162.41[金属学及工艺—热处理] TG315.2[金属学及工艺—金属学]