| 摘要 |
The machine comprises: one mandrel (11) which supports a workpiece, a corresponding clamp unit (17) which is integral in rotation with the mandrel of means (19.1, 19.2, 19.3, 12.2) for causing rotation of the mandrel, means (20, 21, 22, 24, 25, 26) for controlling axial translational movement of said clamp unit with respect to the mandrel between a withdrawn and a forward position, a cutting member (34) which can move between an advanced position in which it performs cutting of the workpiece, and a withdrawn resting position in which the free end of the workpiece can be caused to move forward with respect to the cutting member. |
