ANALASIS PENYALURAN ARUS DARI TRAFO MENUJU WELDING GUN PADA PORTABLE SPOT WELDING

Abstract

In a company engaged in the automotive sector such as PT. Krama Yudha Ratu Motor, of course, has various machines that will later be assembled into motorized vehicles. The company itself aims to produce cars and issue them under the Mitsubishi brand Colt Diesel, Fuso, and Fuso Fighter. The author aims to determine the value of the required breaker according to the capacity of the transformer and observe the current and voltage required in a process of welding material parts at PT. Krama Yudha Ratu Motor. By obtaining data using interviews, observation and literature review. As a result, the authors found that there are several welding methods that have certain functions depending on what will be glued. Examples such as Portable Spot Welding which uses the electric resistance welding method. The existence of electrical resistance welding is a welding process that is widely applied in the mass production industry. Electrical resistance welding utilizes the electrical resistance (resistance) of the material to create a short circuit and melt the metal being welded. There is control on the Portable Spot Welding machine using the timer method, where the current and all the controls on the Portable Spot Welding machine work according to the time that has been programmed on the timer and the use of electrodes with copper material makes the current output more leverage, plus the cost of component replacement. which is quite cheap.