Hard material scratch plate processing
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(2) When changing the blanket, clean the surface of the rubber roller with pure alcohol, gasoline or car washing water, then dry it with a cloth, and finally add RESOST7-3 anti-rust oil on the surface of the plate cylinder and the rubber roller with a cotton cloth or brush. Add two times in succession and leave for 5 minutes to dry.
(3) The backing paper used in the plate cylinder and the blanket cylinder is soaked with oil and then dried and reused, so that the use effect is better, or the film can be cut to an appropriate size with an appropriate thickness.
Several solutions for bill printing inaccurate:
1 unified side gauge: 3mm design of the H line on the plate, the edge of the H line by the edge of the paper is 0.5mm, printing just to align with the edge of the paper. 2 Unify the former rules: When printing the same product, make the former rules consistent, and the operators should print strictly according to the same size.
Hard material scratch plate processing:
When printing large quantities of prints, every time you print 3,000 pages or load paper, you need to clean the plates and blankets. Sometimes a hard object is caught on the cloth cleaning the plate. If it is not noticed, the plate will be marked with a line of dirt. Heavy printing, wasteful work and mistakes are wasted; the use of revised pastes cannot be repaired because the dirty marks are not coated with photosensitive adhesives.
Treatment: Clean the paste with a clean cloth, apply a little dampening powder, and gently wipe it on the dirty mark. When you turn on the machine, you first give the plate water and idle several times, and then you get off the ink roller. The dirty mark disappears.
From this we can see that do not underestimate the importance of rag cleaning.