Measurement of Dynamic Resistance in Resistance Microwelding of Insulated Copper Wire

被引：1
作者：
Mo, Binghua [1 ]
Qi, Jun [1 ]
He, Bingqiang [1 ]
Chen, Ping [1 ]
Guo, Zhongning [2 ]
机构：
[1] Guangdong Jidian Polytech, Fac Mech Engn, Guangzhou, Guangdong, Peoples R China
[2] Tech Univ, Fac Elect Engn, Guangdong, Peoples R China
来源：
MATERIALS PROCESSING TECHNOLOGY, PTS 1-3 | 2012年 / 418-420卷
关键词：
Resistance microwelding; Dynamic resistance; Insulated copper wire; PHOSPHOR BRONZE SHEET; CU WIRE; MECHANISM;
D O I：
10.4028/www.scientific.net/AMR.418-420.1137
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A measuring system of dynamic resistance in resistance microwelding (RMW) of insulated copper wire was developed. The system included a computer, data acquisition (DAQ) card, current sensor, digital trigger circuit and analysis software. Dynamic resistance patterns at the secondary circuit under both normal and abnormal welding conditions were successfully monitored by this system. The results show that the dynamic resistance during the RMW of insulated copper wire is a monotonously decreasing curve; a wave crest will appear when surface splash occurred. This peak characteristic can provide a sound approach to in-process monitor weld quality for RMW of the insulated copper wire.
引用
收藏
页码：1137 / +
页数：2
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