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All Journal Majalah Ilmiah MOMENTUM JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN JURNAL CRANKSHAFT JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Integrated Mechanical Engineering Journal Nozzle : Journal Mechanical Engineering Jurnal Polimesin
Muhammad Untung Zaenal Priyadi
Jakarta Global University
Automotive Engineering Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Journal : JURNAL CRANKSHAFT

 1 
Analisa Hasil Sambungan Las ( Pipa STKM 13B Dan Plat SPH 440) Dengan Pengujian Tarik dan Photomacro Fikri, Luqman; Simamora, Yulianto; Priyadi, Muhammad Untung Zaenal; Saleh, Yasya Khalif Perdana; Zaenudin, Mohammad; Mulyono, Sidik; Gamayel, Adhes; Triwiyanto, Askar; Jujur, I nyoman
JURNAL CRANKSHAFT Vol 7, No 2 (2024): Jurnal Crankshaft Vol.7 No.2 (2024)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v7i2.12657

Abstract

ABSTRACTGMAW (Gas Metal Arc Welding) is a fast, versatile welding technique that can be used in various positions, but it often results porosity in welded joints.This research aims to analysis of the welded joints of STKM13B pipe and SPD 440 plate using tensile and micro testing, using welding a current of 18 and varying voltages of 110, 130, and 150. The results is the shape of the welded joint of the plate and pipe is perfectly connected, the tensile test results showed that the ultimate strength values for specimen 1, 2, 3 (A110/V18, A130/V18, A150/V18) were (18,959, 27,886, 40,005 N) respectively. The highest ultimate strength values were obtained from the specimens (A150/V18) while the lowest ultimate strength value was obtained from specimen (A110/V18). The use of welding current strongly correlates with ultimate strength value and photomacro results, with higher currents resulting in higher density levels, minimizing porosity, and increasing ultimate strength. Keywords: GMAW Welding, Tensile Test, Macro Optical Test. 
ANALISIS PERBAIKAN DOWNTIME PADA AUTOMATIC STACKING MACHINE DALAM OPTIMALISASI PROSES PRODUKSI DENGAN METODE DMAIC Bahar, Shofwan; Damayanti, Vita Ayu; Priyadi, M. Untung Zaenal
JURNAL CRANKSHAFT Vol 8, No 3 (2025): Jurnal Crankshaft Vol. 8 No. 3 (2025)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v8i3.15708

Abstract

Automatic Stacking Machine merupakan bagian penting dalam proses produksi baterai di PT. XYZ, khususnya dalam proses penyusunan plat positif yang dilapisi separator. Namun, proses ini sering mengalami downtime akibat keterbatasan kapasitas magazine house dan kesalahan operasional yang menyebabkan terganggunya kontinuitas produksi. Penelitian ini bertujuan untuk menganalisis penyebab downtime serta merancang solusi perbaikan menggunakan metode DMAIC (Define, Measure, Analyze, Improve, Control). Hasil analisis menunjukkan bahwa kapasitas magazine house yang terbatas dan desain yang tidak ergonomis menjadi faktor utama penyebab berhentinya mesin. Dengan melakukan re-design pada magazine untuk meningkatkan kapasitas dan efisiensi pengisian plat, waktu operasional mesin dapat diperpanjang dan frekuensi intervensi operator berkurang. Penerapan solusi ini berpotensi meningkatkan output produksi, mengurangi kerugian waktu hingga 57 plat per jam, serta menurunkan beban kerja operator. Penelitian ini menunjukkan bahwa pendekatan sistematis melalui DMAIC efektif dalam mengatasi permasalahan teknis di lini produksi.
Co-Authors Adhes Gamayel Damayanti, Vita Ayu Fadhlullah, Muhamad Vikri Fikri, Luqman Fikri, Muhammad Luqman Saiful Fitrah Agustian Hadikusuma, Rama I Nyoman Jujur I Nyoman Jujur Leo Saputra Mohamad Djaeni Mohamad Zaenudin Mohamad Zaenudin Muddhar Fathkhur Rohman Muhammad Habibullah mulyono, Sidik Simamora, Yulianto Syaiful . Triwiyanto, Askar Yafid Effendi Yasya Khalif Perdana Saleh Zaenudin, Mohammad