The bend’s outer edge would crack if it exceeds the minimum bend radius which is typically specified according to the metal sheet thickness (t) like 1t, 2t, 3t etc.Ī typical recommendation is 1t for all sheet metal parts, which means the smallest bend radius should be at least equal to the sheet thickness. ![]() Moreover, bending imparts much strength to the sheet metal compared to their flatter counterparts.įor example, an aluminium sheet bent into a V cross section will be much stiffer and stronger than the same flat sheet.īending a metal sheet usually comes with a set of calculations and design requirements. In sheet metal fabrication, curving sheets according to a specific bend radius is one of the most common operations used to create flanges, curls, seams etc.
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