Originally Posted by
Cyco
From the looks of that pic all the welding is done in it so it becomes a fixture. A jig is for holding something in place while you perform another operation to it like a drill positioning guide while you drill a series of holes.
no that is a jig, cyco. But so is what you described Just for a different purpose.
The tubes are laid in place, located by the metal jig and then the tubes are welded. The completed frame is then lifted out of the jig. For complex chassis there are often multiple jigs used.
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