The learner will identify parts of a welding gun. The Miller Electric Mfg. Co. information included in this learning activity is reproduced with the permission of Miller Electric Mfg. Co., © Miller Electric Mfg. Co., All Rights Reserved.
GMAW Welding Gun
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Contact tip
The contact tip connects to the diffuser and transfers the current to the wire, guiding the current through the wire to the weld puddle.
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GMAW Welding Gun
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Contact tip
The contact tip connects to the diffuser and transfers the current to the wire, guiding the current through the wire to the weld puddle.
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GMAW Welding Gun
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Gas diffuser
The gas diffuser provides a base for the contact tip and nozzle. It also provides an area for the shielding gas to flow.
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GMAW Welding Gun
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Gas diffuser
The gas diffuser provides a base for the contact tip and nozzle. It also provides an area for the shielding gas to flow.
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GMAW Welding Gun
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Gooseneck
The main function of the gooseneck is to attach the gun to the diffuser by creating an angled pathway for wire feeding.
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GMAW Welding Gun
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Gooseneck
The main function of the gooseneck is to attach the gun to the diffuser by creating an angled pathway for wire feeding.
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GMAW Welding Gun
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What is item 4?
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Control wires
The control wires connect the trigger to the wire feeding unit.
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GMAW Welding Gun
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What is item 4?
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Control wires
The control wires connect the trigger to the wire feeding unit.
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GMAW Welding Gun
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Gun handle
The gun handle provides a place to hold onto the welding gun.
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Gun handle
The gun handle provides a place to hold onto the welding gun.
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GMAW Welding Gun
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Power wire
The power wire provides a path for the welding current to travel.
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GMAW Welding Gun
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Power wire
The power wire provides a path for the welding current to travel.
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GMAW Welding Gun
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Trigger
The trigger is used to start or end the welding process.
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GMAW Welding Gun
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Trigger
The trigger is used to start or end the welding process.
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GMAW Welding Gun
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Nozzle
The nozzle focuses the shielding gas over the molten weld puddle.
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Nozzle
The nozzle focuses the shielding gas over the molten weld puddle.
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GMAW Welding Gun
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Gas inlet
The gas inlet allows gas to enter the welding gun.
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GMAW Welding Gun
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Gas inlet
The gas inlet allows gas to enter the welding gun.
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GMAW Welding Gun
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Inlet cap
The inlet cap keeps the conduit/liner in place.
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GMAW Welding Gun
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Inlet cap
The inlet cap keeps the conduit/liner in place.
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O-ring
The O-ring keeps the shielding gas from leaking out.
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O-ring
The O-ring keeps the shielding gas from leaking out.
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GMAW Welding Gun
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Conduit/Liner
The liner is a coil of wire that allows the welding wire that is exiting the MIG welder to travel down its center to the diffuser.
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Conduit/Liner
The liner is a coil of wire that allows the welding wire that is exiting the MIG welder to travel down its center to the diffuser.
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- Author
- Published
- 12/18/2013
- Last Updated
- 1/23/2014
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GMAW Welding Gun by Fox Valley Technical College is licensed under a Creative Commons Attribution 3.0 Unported License.