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Build your own spot welder


FridgeFreezer
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:ph34r: I was thinking more along the lines of ray gun though, although I guess this could be handy too.

Car alarm that gives you a nice 'warming' sensation - immediately prior to the painful head exploding death!

Si

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Quite a brutal design with the contacts permantly live, as with spot welding you should have a pre clamp time before power to ensure a clean good weld. BTW to spot weld aluminium stainless contacts make it successful

Is the contact material the only difference needed to weld ally?

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Is the contact material the only difference needed to weld ally?

Makes sense as with spot welding you aren't adding additional material as with MIG/TIG etc, you are simply heating the two metal sheets in a localised area until they fuse together.

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