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CYCLUS 3
New Generation of polyurethane roll covers

By using an innovative polyurethane material and an ingenious cover structure, we have considerably increased drilling and grooving depths of press rolls and suction press rolls – without affecting the stability of the cover surface. cyclus 3 polyurethane offers excellent wear resistance and unparalleled dynamic strength.
The combination of material properties, cover design and our special production processes makes it possible to groove cyclus 3 covers up to a depth of 3 mm and to blind drill them up to a depth of 11 mm, while maintaining the same drill depth across the whole width of the roll cover. The result: efficient dewatering due to significantly improved water storage volumes and uniform hydraulic pressures in the roll nip. In addition, the specific cover structure allows for more grinding allowance, hence for repeated regrooving: cyclus 3 covers can be given a three millimeter groove three times before needing to be replaced. cyclus 3 covers provide three full lifecycles, thus considerably reducing the roll cover’s total cost of ownership.

Another process innovation was accomplished by creating the SchäferRolls SurfaceOptimizer, a computer simulation that makes it possible to optimise roll cover surfaces and plan the dewatering performance on site with the customer.
 
Our new generation of polyurethane roll covers offers a number of convincing benefits. That’s why we have already received orders from reputable companies within a very short period of time.
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