Schaeffler United Kingdom and Ireland


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Pulp preparation

Pressure screen

Pressure screens are used in the pulp preparation process to clean the water/fiber suspension. The suspension runs into a screen cylinder and out through the screen holes. A rotor inside the screen cylinder keeps the screen clear. The rotor bearing arrangement is vertical.

As a result, a high axial load acts on the lower locating bearing position; this load is taken up by a four-point bearing. Radial shaft guidance is provided by two cylindrical roller bearings. Grease lubrication is required for this application.

  • Throughput 300 t./day at a stock consistency of ca. 3%
  • Drive power 90 kW
  • Rotor speed 460 min-1
  • Lubrication (grease) Load 220

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