Anilox rollers restoration

During the restoration of an anilox roll the following steps should be performed

  1. Operations performed during the restoration of anilox rollers:

  • Incoming inspection (if necessary repair or replacement of shafts)
  • Removing old coating of the working surface
  • Spraying new ceramic coating on the working surface
  • Grinding of ceramics
  • Laser engraving of the working surface
  • Finishing operations and output inspection
  1. Coating of the roller:

  • The coating material of the working surface chromium oxide Cr2O3
  • The processing of working surface coating is mechanical (grinding, superfinishing)
  • Laser engraving of the coating.
  1. Production tolerances during the restoration:

  • Radial run-out tolerance of the working surface less than, mm-0.015.
  • Tolerance for longitudinal section profile of the working surface is not more than, mm-0.015.
  • Radial run-out tolerance of the supporting surface is no more than, mm-0.015.
  1. Outgoing quality control:

  • Optical control, checking the quality of engraving:
    • Metallographic microscope with software for calculating the cell volume of the anilox roller.
    • URMI system for measurement of paint volume in anilox roller cells.
    • 3D microscope with the function cell volume measurement.
  • Mechanical control- ceramics hardness test (hardness tester).
  • Check of geometry and run-out (dial indicator, micrometers, etc.).
 

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