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Of bar of offset press Chinese ink eliminate
From;    Author:Stand originally

Chinese ink bar is the breakdown with common offset press, light affect product quality, cannot presswork normally again, the Chinese ink thick line that as a result of different account generation introduces below and eliminate a method.
(1) Haidebao [special subject, product, 100 divisions] SM74 4 kinds of machine, the 2nd kind of group is in be apart from hold a mouth to make an appointment with 17cm place to have one the line is broad the thick line of transverse Chinese ink that arranges 5mm, very apparent, operation personnel shows way of readjust Chinese ink according to machine operation, chinese ink bar is invariant, adjust then canalage, invalid, because imprint an urgent need, be forced mix colors foreword.

Analyse Chinese ink bar, because this machine is new facility, because adjust,suddenly bar of occurrence Chinese ink should be undeserved cause, the author in adjusting a process discovers a law, as the adjustment of machine rotate speed, width of Chinese ink bar changes somewhat, observe Mo Lu directly, discover the roller that send handwriting or painting is mixed accidentally in stringing together Mo Gun to join a course, have slight and jumpy, adjust then the roller that send handwriting or painting and string between roller pressure, adjust to standard width 4mm, chinese ink bar disappears.

Because pass,analysing a reason should be Mo Gun and the pressure that string together roller is too great, cause the process that send handwriting or painting generation is slight and jumpy, road of change Chinese ink assigns even rate and form Chinese ink thick line for an instant.
(2) Haidebao [special subject, product, 100 divisions] SM74 4 kinds of machine, pressworking the discovery when 4B cover is apart from place of the 23cm that hold a mouth to have thick line of one apparently transverse Chinese ink, the position is fixed.
This imprints comprise by 100% blueness and the yellow net of 80% , be in certainly after classics monochromatic draw a design trichromatic group of formation Chinese ink thick line. Pressure of roller of readjust Chinese ink, invalid, disassemble Mo Gun reshipment, also cannot eliminate.
The author observes carefully, discover this imprints a film to run from opposite directions, and printing down is with among as hold a mouth, the on-the-spot pattern that there still is other in part on the mouth is held in forme when such printing down, check printing plate, this design also went up Chinese ink, cream with long edition this design is repaired, chinese ink bar disappears.

Because the machine is adjusted,bar of general Chinese ink is undeserved cause, because the design on forme distributings and this breakdown changes Chinese ink to shed distributinging condition to produce Chinese ink thick line.
(3) Haidebao [special subject, product, 100 divisions] CD102 machine is pressworking when large area is on-the-spot, trichromatic group be apart from place of the 18cm that hold a mouth to have thick line of one apparently transverse Chinese ink, the position is fixed. First roller of readjustments Chinese ink, water roller, invalid, final discovery has two to rely on ageing of edition Mo Gun, change new roller to also disable; The examination includes line and change new, invalid also. Examine machine reason, machine of the reopen after making this kind of group cylinder ahead tries imprint, discover position of Chinese ink bar is changed, should be the Chinese ink thick line that accordingly the position shakes and produces.
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