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Underrollers made of Gesadur® WN

Reduce running noise, increase rotation speed

Underrollers made of moulded laminates or steel show a high degree of wear and tear. During a prolonged shutdown of a machine the rollers may break or become deformed. Loud running noise and vibrations develop - the machine works inefficiently!

With GESADUR® WN a memory effect starts working: When machines start up again after a prolonged shutdown, the underrollers go back to their original shape. This means that rollers made of GESADUR® WN do not flatten! GESADUR® WN allows you to increase the rotation speed of your machine and at the same time it reduces running noise.

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Available in the following forms:

  • Rough-turned with a machining allowance on all sides, i.e. with a 2 mm tolerance on the outside diameter, internal diameter and width
  • Finished, with machining allowance on the outside diameter
  • Completely finished, with steel bush and/or steel shaft, outside diameter turned with a diamond, maximum concentricity precision 0.01 mm
  • Cut in the case of blanks, with or without machining allowance.

Please note that we press GESADUR® WN only in cylinder shape.
The following are the maximum finished diameters that we can turn from our individual press molds.
For the surface width, we have specified the maximum widths of the corresponding press molds.

Press Molds

Max. finished-Ø: 207 234 262 287 322 362 407 412 492 552 632 707 1012
Max. width: 130 153 150 150 150 170 200 200 200 280 280 280 370

Technical Details

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Maintenance and cleaning

Dusty working environments can lead to dirt particles becoming attached to the roller surfaces. This causes intermittent stress and overloading on the rollers, which may ultimately cause them to overheat. We recommend our roller cleaning device and roller cleaning agent GESACLEAN to keep rollers clean.

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