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Organic glass screen printing process improvement points
by：Lisson
2020-11-11
Master of high quality organic glass screen printing technology, is an important organic glass factory, technical strength.
Organic glass screen printing process improvement points has the following 7:
1, the perfect image to copy a basic requirement is transparent Yang figure of film quality is better, the outlets to edges and opaque. Color separation film and the use of printing ink with the same quality standard.
2, Yang figure on tianjin organic glass processing glass, film exposure, and then put the good screen on Yang figure film, tense and axis parallel with the images. If a turtle grain, rotating screen to right or left, until the tortoise lines disappear, the general turn 7 & deg; Can. The area of turtle grain on the direction of the wire net wire and wire mesh intersections. The main color and dark color cause the problem of turtle grain more.
3, for four-color printing, should use the same size and stability of aluminium net frame, the types and models of net frame is the same screen. Use of dyeing silk screen helps eliminate turtle grain, tension is uniform in all parts of the screen, and four color printing 4 piece of screen at the same stretch mesh tension.
4, good grinding scraping blade is vital for high quality printing, shore hardness of the blade is about 70. Scraping blade should be set in the 75 & deg; Angle, if too flat to the scraping blade Angle adjustable printing image may be blurred, if the Angle adjustable too steep, the risk of screen printing image deformation is big.
5, back to the ink blade should not be too low, if so, there are too much ink film version, print is easy to blur and smearing.
6, mesh image with high viscosity of ink, as it grows fine screen need color ink.
7, using UV ink, mesh adjusted Yang picture tonal range should be chosen as 5% ~ 80%, the stencil shore hardness should be 75. In order to control the tianjin organic glass processing UV ink in color dieyin without smearing, Suggestions according to the green, magenta, yellow, black printing color sequence. When using UV printing ink, screen thickness no more than 5 um.
1, the perfect image to copy a basic requirement is transparent Yang figure of film quality is better, the outlets to edges and opaque. Color separation film and the use of printing ink with the same quality standard.
2, Yang figure on tianjin organic glass processing glass, film exposure, and then put the good screen on Yang figure film, tense and axis parallel with the images. If a turtle grain, rotating screen to right or left, until the tortoise lines disappear, the general turn 7 & deg; Can. The area of turtle grain on the direction of the wire net wire and wire mesh intersections. The main color and dark color cause the problem of turtle grain more.
3, for four-color printing, should use the same size and stability of aluminium net frame, the types and models of net frame is the same screen. Use of dyeing silk screen helps eliminate turtle grain, tension is uniform in all parts of the screen, and four color printing 4 piece of screen at the same stretch mesh tension.
4, good grinding scraping blade is vital for high quality printing, shore hardness of the blade is about 70. Scraping blade should be set in the 75 & deg; Angle, if too flat to the scraping blade Angle adjustable printing image may be blurred, if the Angle adjustable too steep, the risk of screen printing image deformation is big.
5, back to the ink blade should not be too low, if so, there are too much ink film version, print is easy to blur and smearing.
6, mesh image with high viscosity of ink, as it grows fine screen need color ink.
7, using UV ink, mesh adjusted Yang picture tonal range should be chosen as 5% ~ 80%, the stencil shore hardness should be 75. In order to control the tianjin organic glass processing UV ink in color dieyin without smearing, Suggestions according to the green, magenta, yellow, black printing color sequence. When using UV printing ink, screen thickness no more than 5 um.
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