BLUE DOG TRAINING
DEFINITIONS LIBRARY
WELDING TERMINOLOGY
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| OPEN-CIRCUIT VOLTAGE |
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The voltage between the output terminals of the welding machine when no current is in the welding circuit.
| OVERHEAD POSITION |
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The position of welding wherein welding is performed from the underside of a joint.
Protrusion of weld metal beyond the toe or root of the weld.
A flame having an oxidizing effect (excess oxygen).
| OXYACETYLENE WELDING |
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A gas-welding process wherein coalescence is produced by heating with a gas flame or flames obtained from the combustion of acetylene with oxygen, with or without the application of pressure and with or without the use of filler metal.
A length of pipe used to convey oxygen to the point of cutting in oxygen-lance cutting.