How to Set Flux Core Welders


Welding is a specialty skill that has a vast array of uses. Auto mechanics, iron workers, metal workers and many other careers use welding to finalize a project. Flux core welders do not require gas to achieve a weld. Flux core wire is a two-part wire that consists of a hollow welding wire that contains granules of flux. The flux in combination with an electrical current creates heat to melt the hollow wire and bond it to the other metal.

Things You'll Need

  • Boots
  • Flux core welder
  • Leather gloves
  • Welding mask
  • Plug in the welder into a standard wall outlet. Most flux core welders will fit a standard type A 120V outlet. Be sure the welder is off before plugging it into the wall.

  • Put on all the safety equipment that you need, including heavy boots. Flux weld splatters more than gas-shielded welds. Wear leather gloves and a welding mask. A welding apron is also a good idea.

  • Attach the welding clamp cable to the metal that will be welded. The clamp should be placed on bare metal not paint.

  • Adjust the heat setting for the metals being welded. Thin metals require less heat than thick metals. Also adjust the wire speed according to the thickness of the metal. Wire speed should be lower with thin metals.

  • Turn on the welder, lower the welding mask over your eyes and begin welding. If the settings need to be adjusted again, stop welding and adjust the wire speed or temperature.


  • Photo Credit Jupiterimages/ Images
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