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Yulli Indriyanti
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Automotive Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis pengaruh kuat arus terhadap uji bending pad a pengelasan plat kapal tanker dengan gap 2 mm sesuai dengan aplikasi wps di PT. daya radar utama lampung Kurniawati Oktarina; Yulli Indriyanti
Jurnal Inovator Vol 3 No 1 (2020): Uji Performa Mesin
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1196.043 KB) | DOI: 10.37338/ji.v3i1.90

Abstract

Proses produksi kapal sebagian besar merupakan pekerjaan pengelasan, kira-kira sepertiga dari seluruh jumlah pengerjaan. Tahapan pengelasan diatur didalam Welding Prosedur Specification (WPS) yang mengatur aturan pengelasan seperti class, material, elektroda, cara pengelasan, bentuk bevel, panjang jarak bevel (gap) dan sudut kemiringan. Berdasarkan WPS yang digunakan pada pembangunan Kapal Tanker HN 309 panjang jarak bevel (gap) pada pengelasan SMAW adalah 2,6-3 mm. Uji lengkung dilakukan untuk mengatur kekuatan material akibat pembebanan tanpa menyebabkan deformasi. Penelitian ini bertujuan untuk mengetahui kekuatan bending (kualitas) hasil pengelasan dengan gap 2 mm pada plat 11 mm dengan variasi kuat arus 100 A, 120 A dan 140 A. Melalui metode pengelasan plat ASTM A36 yang kemudian dilakukan uji bending mengunakan mesin bending MTS landmark ASTM E 190-2003. Kekuatan lentur uji bending dari ketiga spesimen berdasarkan variasi kuat arus yaitu nilai kuat arus 140 A paling baik dibandingkan dengan kuat arus 120 A dan 100 A yaitu nilai kuat arus 140 sebesar 1,76107649 kN/mm2, nilai kuat arus 120 A sebesar 1,50230752 kN/mm2 dan nilai kuat arus 100 A sebesar 1,44976202 kN/mm2 dengan nilai regresi linier yang diperoleh sebesar 0.872. Sehingga prosedur pengelasan plat 11 mm dengan gap 2 mm dapat digunakan dalam proses produksi pembangunan kapal.
UJI BENDING DAN APLIKASI WPS PADA PLAT KAPAL TANKER DENGAN GAP 2 MM DI PT. DAYA RADAR UTAMA LAMPUNG Yulli Indriyanti; Kurniawati Oktarina; Suzi Heti Kurnia
Jurnal INOVATOR Vol. 3 No. 1 (2020): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v3i1.125

Abstract

The ship production process is largely a welding work. About one-third of the total number of jobs in the construction stage is regulated Welding Procedure Specification (WPS) which is regulates welding rules such as class material, electrodes, how to weld the bevel shape long distance bevel (gap) and slope angle. Based on the WPS used of construction HN 309 Tanker Ship the length of the bevel distance (gap) in welding SMAW is 2,63 mm. Bending tests are performed to regulate strength of materials due to loading without causing deformation. This research study aims to determine the bending strength (quality) of the welders is 1 mm plate with variants of are 100 A 120 A and 140 A. The welding method ASTM A36 plate which is do bending test to using MTS landmark ASTM E 190-2003. The flexural strength of bending test from the three specimens based on current variation is the value of current strength 140 A is best compared to the current strength of 120 A and 100 A, the value of 140 current strength is 1.76107649 kN /mm2, current value of 120 A is 1,50230752 KN/mm2 and 100 A current strength of 1,44976202 kN /mm2 with a linear regression value is 0,872. So that the 11 mm plate welding procedure with a 2 mm gap can be used in the ship building production process.
Co-Authors Kurniawati Oktarina Kurniawati Oktarina Suzi Heti Kurnia