xpandgrip 4" chuck is a non locking method of gripping cores and is commonly used for cardboards cores on Shaftless unwinding machines.
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DF-2000 Torque-Activated Chucks (Torque Chucks)
Concentric Torque Chuck Expansion
As the chuck expands to grip a core, it automatically lifts and centers ...
Designed for so-called "distance between centres" machines, with moving frame, these chucks are either used on their own with a stationary centre, or twinned.
The chuck locks on to the roll ...
