Press Brake extension tooling for bumping 15inch diameter 1" square to 3" wide
grabcad
I had a requirement to roll form 1" square Hast-X to 15" dia in a Cincinnati Press brake, we over sized stock requirements for lathe operation after bump. Used oil-hardened ss stock for round punch and die. The design shown is reversed of my original tool concept to keep the punch small to prevent crowning. The 16inch wide version shows actual tool design intent.
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