PERANCANGAN MEJA PUTAR ROLL WELDING SEBAGAI ALAT BANTU PENGELASAN (STUDI KASUS: ART WELDING PT MECO INOXPRIMA)

Imam Kholiq, Alven Safik Ritonga

Abstract


Welding that produces quality joints and makes it possible to connect metals by welding in various shapes and positions. Therefore the welding processes require a practical material support tool and in accordance with the needs of all welding positions that provide comfort in welding position. So it results in maximum and quality welding results (visually good weld product) in this study the type of connection used is the angular connection with the aim of designing and making aids to get the results of welding joints and comparing distortions that occur between using a desk aid rotate and without using tools. In this research, the type of welding GTAW with DC ARC WELDER brand type Bz-300F-3 and filler type ER 308L, voltage 20-30 V, travel speed 60 mm/min and variations of current (A) are 100 A, 125 A, and 150 A. 2.4 mm in diameter as the filler. The study is limited to the design and manufacture of tools and distortion measurements made 20 times. Distortion measurement using a dial indicator with a starting point/zero point at the end of the test specimen and an end point at the welded joint. The results showed that the use of roll welding aids can reduce the occurrence of distortion. The obtained smallest value of distortion used a roll welding turntable tool that is equal to 0.33 degrees, while the smallest value of distortion without the use of roll welding is 1.33 degrees. As well as the use of roll welding turntable aids can reduce welding defects reduce setup time and can increase production volume resulting in a decrease in production costs, making it quite feasible, and efficient in terms of economics.

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References


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