A process in which material is folded back on itself or over a mating part. This is a multistage forming operation. First, a sharp-angle bend is made ; next, the bend is closed using a flat punch and a die. See teardrop hem, rope hem, and open hem.
Never undervalue what you do - by Josh Welton “Welding is easy; business is hard.” At least that’s how Josh Welton sees running his own business. An important thing to remember is “if you’re good at something, never do it for free.”
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