Page 109 - Training 2019
P. 109

Never use damaged splashed guards at cylinder ends--
                                                              -it can cause damage to cylinder ends.
            Always used a stable ink inlet flow below the overall   Never use a high ink inlet flow above the overall ink
            ink level in the tray                             level in the tray---it causes ink splashes.
            Use an antistatic system if possible to assist good   Keep high humidity and incorrect placement of nipper
            emptying of the cylinder cells, and check its     roll, preventing good emptying of ink from cylinder
            functioning especially when humidity is higher.   cells to substrate.
            Use blade steel with many small well-distributed   Use blade steel with large carbides (> 2µm) that are
            carbides.                                         unevenly distributed.
            Use MicroKote G for hazing problems, for a cleaner   Use uncoated blades and thick tips with low contact
            wipe and for protecting the cylinder surface.     angle when particle-sticking and hazing is a problem.
            Use MicroKote H7 for printing problems with hard   Use uncoated blades when the ink is sticky and
            abrasive pigments and sticky ink.                 contains hard abrasive pigments.
            Use a slur stick (blade-cleaning tool) to remove dried  Let dried ink accumulate on the blade tip.
            ink.
            Let ink pumps and cylinders run during press stops.   Stop pumps and cylinders during press stops.
            Keep viscosity and temperature under control using   Let the temperature and ink viscosity vary a lot.
            frequent measurements.
            Use a solvent with the correct drying speed.      Use a solvent with too slow drying speed---can cause
                                                              bleeding or scumming.
                                                              Use a solvent with too fast drying speed---can cause
                                                              printing problems due to dried ink on blade tip.





               What edge should I use?
                        •  Radius (easy seat / longer life)

                        •  Bevel (quick seat / precise metering)


                        •  Lamella – Stepped (quick seat / some flex)































                                                                SWEDEV DO’S & DON’TS TRAINING MANUAL   5
                                                                                      Updated - 24 June 2019
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