glossary

glossary

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A device at the exit end of the torch or gun that directs shielding gas.

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A device for controlling the delivery of gas at some substantially constant pressure.

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An arc welding process wherein coalescence is produced by heating with an arc between a single tungsten (nonconsumable) electrode and the work. Shielding is obtained from a gas or gas mixture. Pressure may or may not be used and filler metal may or may not be used. (This process is frequently called TIG welding.)

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Welding with the heat from an oxy-fuel flame, with or without the addition of filler metal or pressure.

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Refers to the arc transfer when you can see the globules burning off and falling into the puddle as opposed to a ?smooth arc?.