Analysis of Electric Current on Aluminum Plate Welding Using MMA (Manual Metal Arc) Method
DOI:
https://doi.org/10.61306/icaneat.v1i1.222Keywords:
Analysis, Electric Current, MMA, SorongAbstract
Many industries depend on welding, which joins materials with heat. This research focuses on Manual Metal Arc (MMA) welding aluminum plates due to its adaptability for thin materials and compatibility with aluminum's unique properties. The study investigates how electric current affects aluminum plate MMA welding, improving welding methods. The study examined the effect of electric current on aluminum plates using the MMA method using a qualitative descriptive research design. Sorong Merchant Marine Polytechnic's workshop laboratory conducted the research from February to May 2023 using AWS E 6013 welding electrodes and ASTM A36 plates. Data was collected through observation, documentation, and literature review, then analyzed using data reduction principles. Results show that electric current variation significantly affects welding characteristics. Increased amperage penetrates deeper, but excessive current can melt and weaken joints. Amperage, weld rate, joint quality, and penetration depth must be balanced. The study emphasizes precise welding control, improving welding efficacy. The complex relationship between critical parameters emphasizes the need for careful equilibrium and the importance of following welding guidelines and parameters in the Welding Procedure Specification. As inadequate or excessive current can affect weld quality, this research improves MMA aluminum plate welding results.
References
M. Riadi, “Apa itu Pengelasan?,” kajianpustaka.com, 2016. https://www.kajianpustaka.com/2016/03/apa-itu-pengelasan.html
PT. Kawan Lama Sejahtera, “Mengenal Metode Pengelasan dan Prosedur Standar yang Harus Diperhatikan,” kawanlama.com, 2023. https://www.kawanlama.com/blog/ulasan/metode-pengelasan
Wilhelmsen Ships Service, UNITOR — THE WELDING HANDBOOK FOR MARITIME WELDERS, 16th ed. Wilhelmsen Ships Service, 2022. [Online]. Available: https://florenfile.com/r1yqm84obkvl/UNITOR_The_Welding_Handbook_EN.zip
Admin CHJ, “MENGENAL PENGELASAN MMA (MANUAL METAL ARC),” Citra Harapan Jaya, 2022. https://chj.co.id/blog/mengenal-mesin-las-mma-manual-metal-arc/
G. Gundara and A. A. Biggunah, “Analisis Kekuatan Arus Terhadap Ketangguhan Dan Ketahanan Sambungan Pada Proses Las Tig,” 2021. doi: 10.54259/mudima.v1i3.227.
Rusandi and M. Rusli, “Merancang Penelitian Kualitatif Dasar/Deskriptif dan Studi Kasus,” Al-Ubudiyah J. Pendidik. dan Stud. Islam, vol. 2, no. 1, pp. 48–60, 2021, doi: 10.55623/au.v2i1.18.
M. B. Miles and A. M. Huberman, Qualitative data analysis. London: Sage, 1984.
Kobelco, Kobelco Welding Handbook. Kobe: KOBE STEEL, LTD., Welding Business Marketing Department, 2008.
D. Wandri, “PENGARUH ARUS AC DAN DC TERHADAP HASIL PENGELASAN PADA LAS BUSUR LISTRIK,” 2016.
A. Syahrani, Naharuddin, and M. Nur, “Analisis Kekuatan Tarik, Kekerasan, Dan Struktur Mikro Pada Pengelasan Smaw Stainless Steel 312 Dengan Variasi Arus Listrik,” Mekanikal, vol. 9, no. 1, pp. 814–822, 2018.
Achmadi, “Parameter Pengelasan,” Pengelasan.net, 2021. https://www.pengelasan.net/parameter-pengelasan/