Measurement of dynamic resistance in resistance spot welding

被引：1
|
作者：
武佩 [1 ]
吕佳珩 [1 ]
Niels Bay [2 ]
机构：
[1] School of Mechanical and Electrical Engineering,Inner Mongolia Agricultural University
[2] Department of Manufacturing Engineering and Management,Technical University of Denmark,Lyngby,Dk-2800,Denmark
来源：
China Welding | 2007年 / 04期
关键词：
resistance spot welding; dynamic resistance; contact resistance; circuit analysis;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The conventional methods of determining the dynamic resistance were mostly done by measuring the voltage and current at secondary side of transformer in resistance welding machines,in which the measuring set-up normally interferes with the movement of electrode,and the measuring precision is influenced by inductive noise caused by the high welding current.In this study,the dynamic resistance is determined by measuring the voltage at primary side and current at secondary side.This increases the accuracy of measurement because of higher signal-noise ratio,and allows to apply to in-process system without any wires connected to electrodes.
引用
收藏
页码：42 / 46
页数：5
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