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Michel, Jhon
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Automotive Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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Optimisasi Jarak Titik Spot welding Terhadap Tensile Strength Sambungan Stainless Steel Lubis, Sobron Yamin; Wiyoso, Aghastya; Michel, Jhon; Benaya, Benaya
Jurnal Teknik Mesin Vol 18 No 1 (2025): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.18.1.1741

Abstract

Spot welding is a metal joining technique that can produce high joint strength according to the desired design. Spot welding, using current through the weld point with two electrodes to melt the metal and combine it. In joining two plates, if you want to produce a better joint, more than one welding point can be done, but the distance between one and the other needs to be considered in order to produce a joint that has high tensile strength. Therefore, in the study, the distance of the point connection was varied with the aim of finding the optimal connection point to produce high tensile strength. The study was conducted using a spot-welding machine in the Mechanical Engineering Study Program laboratory, stainless steel plate material was connected with a current voltage of 1.75 V and 2.20 V, and variations in the distance of the welding point were 10, 20 and 30 mm. The welding specimens were tested for tensile strength using a tensile test in the engineering materials laboratory. The results of the study showed that the highest tensile strength value of 3835.08 MPa was obtained at a current voltage of 2.20 V and a welding point distance of 10 mm. The further the welding point, the greater the electrical resistance, which causes the distribution of heat and current to be uneven. As a result, not all parts required for the formation of the joint will be optimally affected by heat and pressure.
Co-Authors Aghastya Wiyoso Benaya, Benaya Sobron Lubis