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Flux core welder mig 12512/5/2023 If you need super clean welds or don’t want the hassle of the extra clean up that comes with using a flux core wire, a flux core welder may not be a good fit for you. If you need to weld outdoors a lot, there won’t be any shielding gas to worry about and flux core machines are lightweight and compact. If you want a simple reliable welder for repairs around the house or farm that you can easily transport, then I would say buying a flux core welder is a good idea. Should you buy a flux core welder? That answer really depends on what you want or need a welder for in the first place, and your future goals. Otherwise, it will need to be ground off with a flap disk or grinding wheel. There are sprays available to make spatter less likely to stick, and make it easier to remove. The spatter can build up on the tip of the welding gun, as well as stick to other pieces in the immediate area. The flux in the wire also causes a lot of spatter. It is important to note that if the weld requires multiple passes, the slag must be removed before the next pass. Once the weld has sufficiently cooled, it can be removed without any concern. The slag that forms on top of the weld is what protects it from contamination by air. Respirators designed to wear under a welding hood are available, and are a good idea no matter what type of welding you are doing.įlux core wire produces slag on top of the weld that needs to be cleaned off after the weld is completed. It is important to flux weld in a well ventilated area, and ideally wear a respirator. When the flux core of the wire melts, it creates a lot of smoke. Generally, flux core welding is much dirtier than traditional MIG welding. Set your amperage and wire feed speed and you are off to the races. When it comes to ease of operation, it is hard to beat a flux core machine. There is simply no shielding gas to be blown away. Since a flux core welder produces its own shielding, welding outdoors is no problem. Often times you need to create a wind block and turn the gas flow up to keep the shielding gas from being blown away. MIG welding outdoors with shielding gas can be troublesome. Often times a 50 amp breaker is recommended if you intend to operate the welder close to its maximum output. Standard outlets will work, just make sure the circuit you are plugging into can supply the amperage required by the welder. You can even throw the welder in the back seat and take it to your buddy’s house if you need to.Īdding to their versatility and portability, most flux core machines are 110v and there are no special requirements for power. Since shielding gas isn’t required, there are no gas bottles, hoses, and regulators to worry about moving. With most flux core welders weighing under 20 lbs, they are easy to move around and bring to your work. The inverter welders available today are more efficient resulting in lighter weight and a smaller size. There is large investment in gas cylinders required, nor is there gas to run out of half way through a project.įlux core welders are extremely portable. A decent flux core welder can be had for under $200 USD, and it can stick weld too! The only consumables that need to be purchased are the flux core wire, and some spare tips for the welding gun. Flux core welders are less complex than true MIG welders because they don’t have any of the components required for shielding gas. The first benefit of a flux core welder is cost. What are the Benefits of a Flux Core Welder? When you are ready to MIG weld, all you will have to do is purchase MIG wire, a tank of shielding gas, and regulator. If you plan on MIG welding in the future, it can be cheaper in the long run to buy a MIG welder from the start and use flux core wire in it. Be sure to keep this in mind when purchasing a welder. It is worth noting that flux core wire can be ran through a standard MIG welder, however you can’t run standard MIG welding wire through a flux core welder. Flux core wire comes on a spool and is fed through the lead by a motor in the welder like a MIG welding machine. As the metal melts, the flux inside burns to create its own shield, without additional shielding gas. Flux core wire has an inner flux core surrounded by metal. Inside the lead there is also a hose for the shielding gas to travel in.Ī flux core welder shares some similarities in design to a MIG welder, however it does not use gas to shield the weld. The wire comes on a spool and is fed through the welding lead to the gun by a motor inside the welder. In true MIG welding, a shielding gas is used to prevent contamination of the weld while a solid metal wire is melted to join pieces together. Flux core welding, by definition, is not MIG welding. Most people call flux core wire welding “flux MIG”.
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