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Screen printing machine ink forme unevenness of the causes and solutions

Date:2012/9/14 8:12:10 Hits:5301
 

Screen printing machine ink forme uneven reasons and what is the solution?

      The ink film thickness unevenness, the reason is various, in terms of ink is ink mixing, or normal deployment of ink mixed with the ink, printing, occurred due to the effect of solvent swelling and softening, should will strike through mesh plug, played a version of the film role, make the ink to pass.

      In order to prevent this kind of failure, after the deployment of ink (especially the old ink), before use to use web filtering to use at a time.In use have been used to plate again, must be attached to the space to remove the old ink.Custody after printing plate, to fully washing (also including the scraper).If done according to the above requirements, details the wooden book ancient wouldn't have happened.

     If the plate front end tip injury loss, will appear along the movement direction of the scraper lines.Especially in the printing of transparent material, can appear obvious inked unevenness.So, it is necessary to well protect the front end of plate, without damage, if the injury, with grinding machine grinding seriously.

    Bump may also affect lis uniform printing machine.Convex ink layer thinner, concave ink layer thick, this kind of phenomenon also known as the example.In addition, substrates or printed on the back of the stage with dust, also can produce the above failure.

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