压接型电连接线夹压接模具断裂失效问题及成因分析  

Failure of Cnmping Tool for Crimping Type Electrical Connection Clamp and Cause Analysis

作　　者：韩宝峰 闫涛 严小娜 潘捷 Han Baofeng;Yan Tao;Yan Xiaona;Pan jie(China Railway Electrification Engineering Group Co.,Ltd,Engineering research center of traction power supply technology of railway industry,Beijing 100070;Baoji Bao De Li Electrification Equipment Limited Liability Company,Baoji,Shaanxi 721013,China)

机构地区：[1]中铁电气化局集团有限公司,牵引供电技术铁路行业工程研究中心,北京市100070 [2]宝鸡保德利电气设备有限责任公司,陕西省,宝鸡市721013

出　　处：《铁道技术标准（中英文）》2022年第4期31-36,共6页Railway Technical Standard(Chinese & English)

摘　　要：介绍现有压接型电连接线夹压接模具压接过程中出现断裂失效问题,通过压接工作参数(工况)、断裂失效后的宏观特征、断裂失效件的断口特征、断裂失效模具成分及力学性能分析等多方面进行试验分析,了解导致压接模具断裂失效的主要因素,建议后期采用更加合适的材料制作压接模具,并选用一些特殊的表面处理手段及工艺,改善并解决压接模具易发生脆性断裂失效的现象。This paper introduces the crimping tool fracture problem with existing crimping electrical connection clamp in the crimping process.The working parameters of the crimping(working condition),macroscopic characteristics after failure,fracture characteristics oi the failed parts,composition and mechanical properties of failed die tool are tested and analyzed in various aspects,in order to understand the main factors that cause failure of crimping tool.It is recommended to use more suitable materials to make the crimping tool in the future,and select highly reliable surface treatment methods and processes,to solve the brittle fracture problem of crimping tool.

关 键 词：压接型 电连接线夹 压接模具 断裂失效 措施 

分 类 号：U225[交通运输工程—道路与铁道工程]