Application of resistance spot welding in car body production
نویسندگان
چکیده
منابع مشابه
Software Application in Analog Modeling of Spot Resistance Welding
Research is connected with elaboration of the calculating module VarWELD, using MS Excel software, for item-by-item examination of various combinations of variable parameters of spot resistance welding as well as analysis of possible solutions for managing the characteristics of the process. Mentioned examination is one of the main stages of analogue modeling. Analogue modeling is new perspecti...
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Resistance spot welding (RSW) includes many variables that can influence the weld properties. The purpose of this study is to develop an analytical model for prediction of thermal history and weld microstructure in RSW and to find the most important process parameters that influence the weld microstructure. A one dimensional model is proposed for prediction about thermal history during cooling ...
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A heat transfer study of resistance spot welding has been conducted both theoretically and experimentally. A numerical solution based on a finite difference formulation of the heat equation has been developed to predict temperature distributions as a function of both time and position during the welding process. The computer model also predicts the temperature distribution through the copper el...
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Resistance spot welding is one of the most widely used processes in sheet metal fabrication. Improvements in quality assurance are important to increase welding productivity. Until now, quality estimation was performed using dynamic resistance at the secondary circuit, which is easily measured. However, this method has many problems when applied to in-process real-time systems. In this study, w...
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A system is presented that allows the visualization of the whole welding process. Factors that can lead to bad welds can be monitored. Methods to optimize the welding process are outlined and a possible "on-line control" is discussed. In addition, schemes are presented for the analysis of the welding process to identify defects in the welding equipment that will cause faulty welds.
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ژورنال
عنوان ژورنال: Acta Mechanica Slovaca
سال: 2015
ISSN: 1335-2393,1339-3073
DOI: 10.21496/ams.2015.012