| 摘要 |
<p>The invention concerns a tube bending machine comprising a bending arm (3) provided with a jaw support (7) which moves horizontally towards the bending head (2), said jaw support (7) being integral with a clamping jaw (8) which comprises at least a jaw (9, 11) for bending the tube (4) in a clockwise direction and at least jaw (10) for bending the tube (4) in an anti-clockwise direction, said jaws being mutually fixed, a bending roller (12) which is stationary on the bending arm (3) and which comprises at least a jaw (13, 15) for bending the tube (4) in a clockwise direction and at least a jaw (14) for bending the tube (4) in an anti-clockwise direction, said jaws (13, 14 and 15) being laterally offset relative to one another and on either side of the vertical axis (XX') of the bending head (2), a first gib support (16) which comprises at least a jaw (18, 19) for clamped accompaniment of the tube (4) when it is being bent in a clockwise direction, and a second gib support (17) which comprises at least a jaw (21) for clamped accompaniment of the tube (4) when it is being bent in an anti-clockwise direction.</p> |
