Tube bending machine for use during fabrication of exhaust line of motor vehicle, has guide and roller fixed with respect to frame, and locking tool movable in rotation with respect to roller, where guide guides zone of non-bent section

摘要

The machine (1) has a locking tool (9) for griping an end part of a tube. Displacement units (11) rotatably displace the locking tool with respect to a frame around a central axis of a bending roller (7) while driving the tube so as to form a bent section extended by a non-bent section in the tube. A guide (13) guides a zone of the non-bent section situated near the bent section, so as to avoid formation of folds. The guide and the roller are fixed with respect to the frame, and the tool is movable in rotation with respect to the roller.