Method for producing thin-walled hollow sections and the thin-walled hollow section

摘要

ksztau0142townik cienkou015bcienny of closed cross-section, whose edges describe polygon with key, characterised by the fact that its wall develop constitute belt sheet, a thickness of an output (g) and of equal width throughout the length, while in places, kt u00f3rym are raised higher requirement shapes.the sheet is pocieniony zgniotem depth up to about 1 / 2 of an output (g) tapes. places are raised high requirements are at least three corners of the shapes.