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| Measurement of dynamic resistance in resistance spot welding | |
| 作者姓名： | Lü Jiaheng |
| 作者单位： | [1]School of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Huhhot, 010018 [2]SWANTEC Software and Engineering ApS, Hoersholm, DK-2970, Denmark [3]Department of Manufacturing Engineering and Management, Technical University of Denmark, Lyngby, Dk-2800, Denmark. |
| 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. |
| 关 键 词： | 接触点焊 动态阻抗 接触电阻 电路分析 |
Measurement of dynamic resistance in resistance spot welding |
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| Wu Pei,Lü Jiaheng,Wenqi Zhang,Niels Bay.Measurement of dynamic resistance in resistance spot welding[J].China Welding,2007,16(4):42-46. | |
| Authors: | Wu Pei Lü Jiaheng Wenqi Zhang Niels Bay |
| Affiliation: | 1. School of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Huhhot, 010018 2. SWANTEC Software and Engineering ApS, Hoersholm, DK-2970, Denmark 3. Department of Manufacturing Engineering and Management, Technical University of Denmark, Lyngby, Dk-2800, Denmark |
| Abstract: | 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. |
| Keywords: | resistance spot welding dynamic resistance contact resistance circuit analysis |
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