W18Cr4V冲孔冷冲模淬火工艺的改进  

Improvement of Quenching Process for W18CrV Cold Punching Die

作　　者：郭晓红[1] 

机构地区：[1]太原理工大学阳泉学院机电系,山西阳泉045001

出　　处：《热加工工艺》2011年第12期178-179,182,共3页Hot Working Technology

摘　　要：对W18Cr4V钢冲孔冷冲模早期失效的原因进行了分析,并针对上述原因进行不同的工艺试验,对原热处理淬火工艺进行了改进。生产应用结果表明,冲孔模采用低温淬火工艺后得到了有效的强韧配合,模具的使用寿命提高了8倍,对生产实践有重要的指导作用。The failure reasons of W18CrV steel punching die were analyzed,the different process test was carried out according to the failure reasons.The original heat treatment process was improved.Production and application results show that effective co-ordination of strength and ductibility of punching die was obtained after quenching at low-temperature,the service life of punching die increases by 8 times.This has an important guiding significance for production practice.

关 键 词：W18CR4V钢 冷冲孔模 低温淬火 寿命 

分 类 号：TG156.3[金属学及工艺—热处理]