冲压成形过程中粘结瘤生成机理及其解决方案  

Mechanism and Solution of Bonding Tumor Formation in Stamping Forming Process

作　　者：曾贤勇 韩耀东 

机构地区：[1]东风日产乘用车公司技术中心,广东广州510800 [2]武汉中人瑞众汽车零部件产业有限公司,湖北武汉430073

出　　处：《模具制造》2020年第2期16-22,共7页Die & Mould Manufacture

摘　　要：通过对材料成形过程中的摩擦特性、塑性变形、速度、应力状态、温度、制件的材料特性、毛坯和模具表面状态等因素的分析,着重阐明了粘结机理、粘结瘤生成原因和过程。同时针对粘结瘤生成原因,提出了一些对应的解决方案,为解决粘结问题,提供一些理论基础知识和实践经验。Through the analysis of the friction characteristic,plastic deformation,speed,stress state,temperature,material characteristic of workpiece,blank and die surface state and other factors in the process of material forming,the bond mechanism,the cause and process of bond tumor formation are emphatically expounded.At the same time,some corresponding solutions are proposed to solve the bonding problem,providing some theoretical knowledge and practical experience.

关 键 词：摩擦特性 粘结瘤 模具设计 表面处理 

分 类 号：TG385.2[金属学及工艺—金属压力加工]