GMAW
Gas Metal Arc Welding of Stainless Steel.pdf
The purpose of this manual is to make you a better welder by increasing your knowledge of how the GMAW process works.
A more knowledgeable welder can be more productive by working smarter, not harder. Figure 1 shows why your company is interested in educating you in welding stainless steel. Your labor and overhead account for about 80% of the cost of depositing weld metal. Any knowledge you gain from this course not only helps you, but also helps to make your company more competitive in a very tough marketplace.
Miller - Guidelines For Gas Metal Arc Welding (GMAW).pdf
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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