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Ceramic Coating of Paper Machine Rolls

Supplier: Avweld Australasia

Ceramic coating of paper machine rolls has been developing over the last 10-20 years and is now widely used in Europe and the U.S.A.

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Avweld have been coating wire return, breast, s-wrap, felt and size press rolls for over eight years. Typically rolls surfaces are covered with approximately 0.25mm thickness of chrome oxide and ground to profile as specified.

Advantages of using chrome oxide coated rolls include:

  • Extreme wear resistance
  • Excellent corrosion resistance
  • Greatly reduced maintenance shuts for change outs
  • Reduced wear on mating rolls doctor blades
  • Less paper breaks
  • Maximum efficiency/productivity from plant
  • Recent developments in thermal spray have been driving cost down while quality improvements such as super-alloy undercoating using HVOF and HVAF on corrosion prone applications have removed the risk of cover failure due to side corrosion
  • As all work is carried out in-house we have total control of quality and delivery to ensure satisfaction of your requirements
  • Typical life extension is by as much as 4-12 times

For more information about the Pulp & Paper Industry please click here

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