Bay, Niels

Van de Moer, Rudi

Van Rymenant, Patrick

Wandenbussche, Werner

Wu, Pei

Zhang, Wenqi

The dynamic mechanical response of resistance welding machine is very important to the weld quality in resistance welding especially in projection welding when collapse or deformation of work piece occurs. It is mainly governed by the mechanical parameters of machine. In this paper, a mathematical model for characterizing the dynamic mechanical responses of machine and a special test set-up called breaking test set-up are developed. Based on the model and the test results, the mechanical parameters of machine are determined, including the equivalent mass, damping coefficient, and stiffness for both upper and lower electrode systems. This has laid a foundation for modeling the welding process and selecting the welding parameters considering the machine factors. The method is straightforward and easy to be applied in industry since the whole procedure is based on tests with no requirements for knowledge of the machine construction

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Testing and Modeling of Mechanical Characteristics of Resistance Welding Machines

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Testing and Modeling of Mechanical Characteristics of Resistance Welding Machines

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