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Background Hydraulic screw preloading system

Hydraulic screw preloading system

Auxiliary equipment

Hydraulic preloading gives increased operational reliability

Specifically developed for the ZE BluePower twin-screw extruder series, the hydraulic preloading system ensures reproducible screw installation and preloading. This system subjects the screw shafts only to a defined tensile stress without exerting any torsion load.

Less cleaning required
No melt between the screw part and screw mandril
Reliable preloading of the screw elements
Simple operation

Function of the preloading system