PENGARUH MEDAN MAGNET MENGINDUKSI BUSUR PADA PENGELASAN AUTOGENOUS TUNGSTEN INERT GAS SAMBUNGAN TUMPUL BAJA TAHAN KARAT 304

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Published: Jan 31, 2021
DOI: https://doi.org/10.24853/jurtek.13.1.89-100

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Haikal Haikal
Sekolah Tinggi Teknologi Warga Surakarta
Moch. Chamim
Sekolah Tinggi Teknologi Warga Surakarta
Ario Sunar Baskoro
Universitas Indonesia
Isnarno Isnarno
Universitas Tunas Pembangunan
Apri Wiyono
Universitas Pendidikan Indonesia

Abstract

Dalam studi ini, penelitian mengenai penggunaan metode External Magnetic Field - Tungsten Inert Gas pada aplikasi sambungan tumpul dilakukan untuk mengetahui pengaruh dari pemampatan busur las terhadap kualitas hasil sambungan tumpul pelat tipis SS 304. Proses pengelasan ini dilakukan tanpa menggunakan logam pengisi tambahan (autogenous weld). Pada penelitian ini medan magnet luar ditimbulkan dengan meletakkan solenoid magnetik di sekeliling obor las TIG. Pengaktifkan medan elektromagnetik ini dilakukan secara dinamis dengan menggunakan mikrokontroler. Parameter pengelasan yang digunakan yaitu arus pengelasan 100; 105; 110 A dan kecepatan pengelasan 1,6; 1,8; 2,05 mm/s. Hasil penelitian ini menunjukkan bahwa pengelasan EMF-TIG dapat menghasilkan lebar manik yang lebih seragam di sepanjang jalur las dengan standar deviasi sebesar 0,08 dibandingkan dengan las TIG konvensional sebesar 0,12. Peningkatan kecepatan las sebesar 2,05 mm/s menyebabkan tidak berpengaruhnya penambahan medan magnet luar terhadap lebar manik las. Parameter arus 105 A dengan kecepatan 1,6; 1,8; 2,05 mm/s menghasilkan pemampatan lebar manik atas berturut- turut sebesar 0,87; 0,61; 0,1 mm. Parameter pengelasan dengan arus 105 A dan kecepatan las 1,6 mm/s memiliki efek pemampatan manik atas yang lebih besar yaitu sebesar 0,84 mm dibandingkan arus 110 A yaitu 0,38 mm.

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How to Cite
Haikal, H., Chamim, M., Baskoro, A. S., Isnarno, I., & Wiyono, A. (2021). PENGARUH MEDAN MAGNET MENGINDUKSI BUSUR PADA PENGELASAN AUTOGENOUS TUNGSTEN INERT GAS SAMBUNGAN TUMPUL BAJA TAHAN KARAT 304. Jurnal Teknologi, 13(1), 89–100. https://doi.org/10.24853/jurtek.13.1.89-100
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Vol. 13 No. 1 (2021): Jurnal Teknologi
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Articles

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