Wickelwelle für eine Längsschneidemaschine

摘要

A rewinding shaft of a slitting machine includes a rewinding shaft having a hollow interior extending axially, the hollow interior being exposed outside at one end of the rewinding shaft; a plurality of cylinder bores formed in an outer peripheral surface of the rewinding shaft and terminating in the hollow interior; a plurality of pistons respectively received in the cylinder bores, such that heads of the pistons can be reciprocally moved in and out of the cylinder bores by pressurized liquid or gas fed to the hollow interior; and at least one rewinding ring removably mounted on the rewinding shaft such that an inner peripheral surface of the rewinding ring can contact the piston heads.