Welding Machine Ac Or Dc. Thus it is proffered more in various situations. Less reliable and therefore more difficult to handle than DC welding.
Generally Steel would be welded with DC and Aluminium with AC. The type of current to choose depends on the workpiece material. DC polarity is used in most welding applications.
Generally Steel would be welded with DC and Aluminium with AC.
Less reliable and therefore more difficult to handle than DC welding. Weld quality is not as smooth as with DC welding. Because AC welding is significantly inferior to DC welding it is only used in rare circumstances. An in-depth Comparison of the Difference Between a DC and AC Welding Machine.