Method for folding e.g. metal sheet used for producing outer skin portion for automotive vehicle, involves heating flat edge region of workpiece by applying infrared radiation, and bending heated flat edge region of workpiece

摘要

The method involves heating (S2) a flat edge region of workpiece by applying infrared radiation, and bending (S4) the heated flat edge region of the workpiece. The workpiece such as metal sheet is made of light metal or light metal alloy such as aluminum or aluminum alloy.