Inking/Dampening System Adjustment

• Carry out adjustment work on rollers once they have run warm, or else calculate in an increase of the adjustment strips.
• As a rule, set the damping form roller and inking form roller nearer to the distributor than to the printing plate – but not so near that a pressure strip in the form of a cigar occurs with the plate. This would indicate that the roller is being bent towards the cylinder channel.
• Only adjust the rollers according to manufacturer specifications.
• Always adjust from minus to plus, so as to eliminate thread play on adjustment.
• On “Vario“ set the ink form roller nearer to the distributor, so that it is decelerated by the dampener oscillator roller.
• When setting the ink form roller to the plate, high pressure is momentarily exerted (impact), which generates a stronger press strip. For precise adjustment of the print plate, first ink up and set down the rollers after waiting for around 10 seconds.
• Precise roller adjustment is best carried out via the press strip. For this, coat the rollers equally with a light-colored ink (yellow). After the ink has distributed and a waiting time of around 10 seconds, with a piece of paper squeeze off the press strip generated.
• Always measure between the dot fringes as these are more evident with increased ink.
• Always set the rollers parallel to each other (tolerance 0.5 mm).