Paper Machine Composite Roll Covers

2017-01-08T00:14:19+00:00 Categories: Papermachine Rolls|Tags: , , , , , , , |

6.2.4.3.3 Composite Roll Covers Two basic composite designs for the functional layer of roll covers are used in the paper industry: Composite covers with a fiber reinforced functional layer and comĀ¬posite covers with a cast functional layer (resin covers). 6.2.4.3.3.1 Fiber Reinforced Functional Layer Composite covers with fiber reinforcement in the functional layers are mainly [...]

Paper Machine Polyurethane Roll Covers

2017-01-08T00:14:19+00:00 Categories: Papermachine Rolls|Tags: , , , , , , , |

6.2.4.3.2 Polyurethane Roll Covers Polyurethane roll covers were introduced to the paper industry at the end of the 1980s. The outstanding mechanical and dynamical properties make polyurethane the most suitable material for soft elastomeric covers in press positions. DependĀ¬ing on paper quality and press design, high open surfaces up to 45 % with grooves, blind [...]