PowerPoint 15- Resistance welding

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7 Terms

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Resistance welding?

Joining metal using electrical resistance + pressure.

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Heat formula for RW?

H = I²RT.

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Spot welding?

Creates small weld nugget between sheets

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Seam welding?

Series of overlapping spot welds forming a continuous seam.

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Projection welding?

Uses raised points to focus heat; good for nuts/bolts attachments.

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Advantages of RW?

Fast, clean, low cost, easily automated.

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Limitations of RW?

Works only with certain thicknesses and conductive metals.