Application of TOPSIS and ANOVA Methods to Evaluate the Electrical Resistance Spot Welding Process Parameters of AISI 1020 Steel
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Abstract
Deformation and deterioration of the electrode caused by chemical reaction is resistant to AISI 1020 with caps screw electrodes. In this study, squeeze, weld, hold time, current and pressure is evaluated for the nugget diameter. OP1is the surface waviness, OP2 is the force, OP3 is the nugget height and OP4 is welded by spot welding on steel plates. AISI 1020 steel plates with thicknesses of 0.8 mm and 1.5mm for connecting the cap screw electrode, current and clock sensor with current control for 120 kVA capacitors are connected. The cycle welding currents of 5, 10, 15, 20 and 25 were selected and increased from 8 kA to 10 kA is done during the welding process. In this study, OP1 to OP4 are selected and the verification experiment is performed in an optimal state to observe the development accuracy. Based on confirmation of test results, it was determined to develop a model that can be effectively used to predict the size of weld surface thereby improving the quality of the weld and calculating the cost of the top screw head. The welded joints of two electrodes are exposed to weld radius. The groove, force and valve height are calculated by the ingot detector, dynamometer and ultrasonic. This allows the workstation to be welded to the desired contour while reducing its production costs.
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