![]() ![]() The user has to keep in mind the requirements for the same as the same technique might not work for all the jobs. There can be many types of welding jobs each having its own unique characteristics. ![]() The difference in current input gives rise to various possibilities as both types have their own takeaways. The power supply used for the purpose could either supply (DC) or alternating (AC) current.ĪC or DC defines the polarity of the electrical current that a welding machine creates for the arc and runs through the electrode. ![]() The arc provides heat energy at the joint to weld the metals. The process arc of welding involves the use of a power supply to produce an electric arc between an electrode and the job intended to be welded to melt the metals at the joint. To understand the differences between AC and DC welding types, we must first understand the fundamentals of arc welding. The DC welder requires a generator for conversion as power grids supply current in the AC phase. AC welders are not affected by the magnetic field thus eliminating arc blow, unlike the DC current. AC welding penetrates deeper and can weld magnetic materials, the DC is smoother and easier to weld. AC and DC are two welding types based on the current used. ![]()
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