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Arc welding mild steel in the smaller sized metals up to 1/4 inch needs only a welder of around 100 amps; this has enough power to use small gauge general purpose welding rods. As welders differ from model to model, the setting up of the arc welder can be a matter if trial and error until the welder runs smoothly. If the arc and welding electrode cause the metal to over melt then the power setting is too high, on the other hand if the electrode sticks to the work and won’t penetrate the setting is to low.
Learning how to arc weld in awkward positions calls for different techniques and power settings. When faced with a vertical weld, the welder needs to perform the vertical up method for best results. This is achieved by beginning at the bottom of the work and working upwards using a side to side motion. Overhead positional welds are perhaps the most challenging weld to do with an arc welder. This requires accurate power settings on the welding machine and specific overhead welding electrodes to get the best results.
Arc welding is ideal for on site work and on farms where maintenance of equipment is often away from the workshop. Buy using fuel powered generators the arc welder is invaluable, especially today as arc welders are now available in small and lighter models from manufacturers such as Lincoln and Miller.