Roll folding device to produce edging on workpiece has a heating device to heat at least one region of edging to be folded during folding process

摘要

The roll folding device (1) produces an edging (2) on a workpiece (3), using at least one roll unit (4), having at least one holding device (5) for the workpiece, and at least one folding roll (6), which forms the edge as it moves along under pressure. There is also a heating device (7), which directly or indirectly heats at least one region of the edging to be folded.