Chromatic screen printing notes a problem

Chromatic screen printing should note the problem of a few respects, cent is narrated as follows.

① should use the gauze frame of solid, changeless form when chromatic screen printing. Because,this is if used insecure screen frame or wooden casing plate making, incidental in presswork askew or be out of shape, webby forme quality can be reduced, precision is hard to assure, be out of shape

Serious when webby forme cannot be used. Affect thereby presswork quality. Must want to use solid metallic screen frame so. The screen frame dimension of forme of silk screen of a color wants identical. Basically be to presswork when with unified set gauge quadrature, reach facilitating chromatically to presswork.

The webby eye number of forme of chromatic silk screen and webby material want character same, stretch tight net tension and webby edition ply should agree. Basically be the Chinese ink layer after making sure forme of of all kinds pressworks even, result is same, faultlessly emersion manuscript colour and graph.

Hardness of ② use scraper is Shore hardness commonly 70 degrees. Scraper point precision wants tall. As a result of hardness moderate, benefit brushs a requirement at full footprint, facilitate rise presswork precision, assure to presswork quality.

③ should use the screen printing printing ink with taller viscosity as far as possible. Because ooze oil diffuses,the printing ink with taller viscosity won't happen cause graph article line to coarsen greatening problem, benefit pursues at rising the essence of article line is fineness with definition.

④ reflects number of line of screen of addition net plate making (line ／ inch) , it is commonly between 55~120 line. Can decrease so or avoid occurrence moire appearance.

Adding reticle number and filar mesh to count scale to concern commonly is: Silk screen (eye counts) : 4.2X increases reticle number.

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