Maine Welding Company

MIG Welding (GMAW)

What is MIG Welding?

MIG welding, Gas metal arc welding (GMAW) is an electric arc welding process which joins metals by heating them with an arc established between a continuous filler metal (consumable) electrode and the work. Shielding of the arc and molten weld pool is obtained entirely from an externally supplied gas or gas mixture.

  • MIG Welding Machines

    MIG Welding Machines MIG welding machines are easy to use. Almost anyone can buy a MIG welding machine and be welding just minutes after plugging in the machine. Because of this, MIG welding machines have become very popular in recent years. MIG welding machines have come a long way since…

  • Hobart MIG Welder : MIG Welding Machine Kit

    Hobart 500550 Auto Arc 130 Wire Feed MIG Welding Kit with Welder, Helmet, Regulator, and Cart Hobart MIG Welder : MIG Welding Machine Kit The Auto Arc 130 operates off 115 volt standard household current. It comes ready to weld with or without shielding gas using .023-.035 solid wire…

  • MIG Welding Wire

    MIG Welding Wire Electrodes used for MIG Welding are smaller than those used for other welding process. This is because of the high current and speed at which the welding filler material is introduced into the weld puddle. Aluminum MIG Welding Wire E4043 is the most common Aluminum MIG Welding…

  • Miller 140 MIG Welder

    Miller 140 MIG Welder Miller 140 MIG Welder with Auto-Set Amperage Rating: 140 DC Input Voltage: 115 Phase: Single Duty Cycle: 90A/[email protected]% Width: 10-5/8 Height: 17-1/2 Automatically setting voltage and wire feed speed for your MIG welding application, the Millermatic® 140 mig welder with Auto-Set makes it easy to dial…

  • TIG welding versus MIG welding

    TIG welding versus MIG welding machines MIG welding machines can make quick work of those around the house projects. With a basic configuration you have your MIG welding machine set up with “gasless” filler material commonly known as “Flux Core“. It welds ok, but you find that if you want “clean” results…

  • MIG Welding Aluminum

    MIG Welding Aluminum is a fast, adaptable process that is used with direct current reverse polarity and an inert gas to weld heavier thicknesses of aluminum alloys, in any position, from 1/16 in. (1.6 mm) to several inches thick. Shielding gas for MIG Welding Aluminum. Precautions should be taken to ensure…

  • MIG Welding Process Principles

    MIG Welding Process Principles Arc power and polarity. The vast majority of MIG welding applications require the use of direct current reverse polarity (electrode positive). This type of electrical connection yields a stable arc, smooth metal transfer, relatively low spatter loss, and good weld bead characteristics for the entire…

  • MIG Welding Procedures

    MIG welding procedures are similar to those for other arc welding processes. Adequate fixturing and clamping of the work are required with adequate accessibility for the welding gun. Fixturing must hold the work rigid to minimize distortion from welding. It should be designed for easy loading and unloading. Good connection…

  • MIG Welding Equipment

    MIG Welding Equipment Gas metal arc or MIG welding equipment consists of a welding gun, a power supply, a shielding gas supply, and a wire-drive system which pulls the wire electrode from a spool and pushes it through a welding gun. A source of cooling water may be required for…

  • MIG Welding Advantages

    MIG Welding Advantages (1) The major advantage of MIG welding is that high quality welds can be produced much faster than with SMAW or TIG welding. (2) Since a flux is not used in MIG welding, there is no chance for the entrapment of slag in the weld metal…

  • MIG Welding (GMAW)

    MIG welding, Gas metal arc welding (GMAW ) is an electric arc welding process which joins metals by heating them with an arc established between a continuous filler metal (consumable) electrode and the work. Shielding of the arc and molten weld pool is obtained entirely from an externally supplied gas…

  • MIG Welding Equipment | Gas Metal Arc Welding (GMAW)

    MIG Welding Equipment, Gas Metal Arc Welding (GMAW). GMAW is most commonly referred to as “MIG” welding, and the following text will use “MIG” or “MIG welding” when referring to GMAW. MIG welding is a process in which a consumable, bare wire electrode is fed into a weld at a…

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