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GMAW welding guide

Miller - Guidelines For Gas Metal Arc Welding (GMAW).pdf

July 11, 2008 · Filed Under Mechanical & Industrial Engineering · 2 Comments  · Tags: , , ,

GMAW can be done in three different ways:
Semiautomatic Welding - equipment controls only the electrode wire feeding. Movement of welding gun is controlled
by hand. This may be called hand-held welding.
 Machine Welding - uses a gun that is connected to a manipulator of some kind (not hand-held). An operator has
to constantly set and adjust controls that move the manipulator.
 Automatic Welding - uses equipment which welds without the constant adjusting of controls by a welder or operator.
On some equipment, automatic sensing devices control the correct gun alignment in a weld joint.

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GMAW Welding Guide