Research Article
The Effect of Current on Shear Strength and Nugget Size in Resistance Spot Welding of SCGA270D-45 sheet metal
@INPROCEEDINGS{10.4108/eai.3-11-2018.2285694, author={Qamaruddin Qamaruddin and R. Hengki Rahmanto and Wahyu Setiadi and Kiswiru Yudha Ningsih}, title={The Effect of Current on Shear Strength and Nugget Size in Resistance Spot Welding of SCGA270D-45 sheet metal}, proceedings={Proceedings of the 2nd Annual Conference of Engineering and Implementation on Vocational Education (ACEIVE 2018), 3rd November 2018, North Sumatra, Indonesia}, publisher={EAI}, proceedings_a={ACEIVE}, year={2019}, month={7}, keywords={resistance spot welding shear strength nugget size methodology scga270d-45 sheet metal}, doi={10.4108/eai.3-11-2018.2285694} }- Qamaruddin Qamaruddin
R. Hengki Rahmanto
Wahyu Setiadi
Kiswiru Yudha Ningsih
Year: 2019
The Effect of Current on Shear Strength and Nugget Size in Resistance Spot Welding of SCGA270D-45 sheet metal
ACEIVE
EAI
DOI: 10.4108/eai.3-11-2018.2285694
Abstract
The objective of this paper is to present the effect of current on shear strength, nugget size and to determine the optimal current for spot welding SCGA270D-45 sheet metal of 0.8 mm thickness. The experimental steps conducted in the research were preparation of specimens, spot-welding process with variation of current 10.5 kA, 11kA, 11.5kA, 12kA, and 12.5 kA; specimen testing; analysis and conclusion. Shear strength test was conducted by using tension machine and nugget size test by using Chisel test. Based on the research, it was found that the current variation has affected the shear strength and nugget size with highest current 12.5 kA resulting shear strength 167.1 MPa and nugget size 7.3 mm; the lowest current of 10.5 kA with 121.2 MPa and 1.7 mm of shear strength and nugget size respectively. The optimal current for spot-welding SCGA270D-45 material with thickness 0.8 mm is 11 kA for components belong to A-category as per requirement of Toyota Engineering Standard TSH5600G.2012. Spot Welding.
