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11 Cards in this Set
- Front
- Back
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Know fillet ,groove, plug welds
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Welding
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nThe primary importance of welding is tounite various pieces of metal |
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Threemost important types of welding
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nArc welding nGas welding nResistance welding |
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nArc welding |
nHeatis generated by an electric arc struck between a welding electrode and the workpiece. nThearc is hot enough to melt the primary metal and form a bond when solidified |
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Gaswelding: |
-Getsheat from burning flammable gases (oxyacetylene welding) -Processis slow compared to other welding methods |
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nResistance welding |
nHeatis created from resistance losses as high-amperage current is sent across ajoint to two mating surfaces, seam and spot welding. |
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Points that a designer must make clear inindicating a weld: |
wType of weld wJoint preparation wWeld size wRoot size (if any) |
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weld symbol
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