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Setting too High:
  • This is due to partial squeezing, insufficient transfer of ink or dampening solution and consequently a bad printed image.
  • High energy consumption, heavy temperature increase, cooling problems.
  • Premature material fatigue, danger of a cover burst or separation of the core bonding.
  • Higher abrasion of the printing plate by the high pressure of the forme rollers.
Setting too Low:
  • Irregular, interrupted transfer of ink and dampening solution.
  • Disturbance of the ink-water balance, leading to scumming or smearing.
  • Application of dampening solution too high, leading to faded printouts and smearing.
  • If, due to bad transportation and slippage of the forme rollers wipe the ink beyond the dot and fill in the open parts of the plates.
  • Insufficient compensation of tolerances and vibrations.
Uneven Setting:
  • The opening on one side is too large and squeezing on the other side too strong, leading to one-sided smearing or scumming.
  • Setting at one side too high leads to local overheating with danger of failure of the roller cover or core bonding.
  • One sided abrasion destroys the cylinder form.
Rest Setting:
  • Lasting deformation and in consequence, concentricity deviations of the roller cover.
  • Streaks in the printout.
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