Winding shafts and clamping spigots activated by compressed air are used to clamp the core for the winding and unwinding processes. The clamping elements expand or contract in response to compressed air.
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Contact usSeries 409 pneumatic expansion shafts enable rolls of any width to be clamped securely by means of expanding ledges, offer high torques and load capacity, and can be flexibly customised for various applications.
Standard shaft with flat bladders and a low dead weight
The leaves enable winding with thin cores. Coreless winding with web start clamping is also possible.
Standard shaft with central bladder
For higher reel weights and torques