| 摘要 |
A horizontal expanding machine, comprising a support frame (2) defining a horizontal expanding axis (A), at least one guide (3) associated with said frame (2) and parallel to said expanding axis (A), at least one carriage (4) moveable along said guide (3), a plurality of expanding shafts (6, 6') able to be associated with said carriage (4) and arranged along said expanding axis (A). The machine comprises automatic selection means (7) of the expanding shafts (6, 6') adapted for selectively positioning said shafts (6, 6') on said carriage (4). |
