Screen printing technology grooms

Technology of screen printing technology grooms tutorial

Screen printing is a kind presswork oldly method. Its black-and-white fundamental is: The partial aperture of webby forme can pass through printing ink, leakage imprints to bear imprint on content; The mesh of the others on forme is blocked up dead, cannot pass through printing ink, in bear imprint blank is formed on content. Traditional plate making method is handmade, contemporary what use more generally is law of actinic plate making. Applying screen printing is extensive it is electronic industry. Pottery and porcelain sticks gardener industry. Industry of spin printing and dyeing. In recent years, also use screen printing sign of the decorate that pack, advertisement, handbill in great quantities. Screen printing has the following characteristic roughly:
1. Do not suffer bear imprint the limitation of content size and appearance. Presswork to be able to undertake on plane only commonly, and silk imprints can presswork on plane not only, still can be in of special appearance in model roughness is reached on content aspirant travel pressworks, and still can presswork all sorts of exceeding large ad picture, hang down shade, curtain. For example, at present general offset print, protruding imprints etc presswork of the method can black-and-white area size most greatly complete piece, exceed complete piece of dimension, get the limitation of mechanical equipment. And screen printing can undertake large area presswork, old width of cloth can amount to 3m×4m, bigger even. Still can be in super- small-sized. Those who exceed high accuracy is special taste aspirant travel to presswork, and can be in curved surface or spherical on presswork, this kind pressworks means is having very big flexibility and extensive applicability. The thing of all visible form can use silk to presswork undertake pressworking. Special to those abnormity face also can undertake screen printing.
2. Layout softness imprints pressure small. Webby forme is soft and rich flexibility, imprint pressure small, can wait for softness in paper, textile not only so bear imprint undertake pressworking on content, and the glass that can damage easily in pressurization. Pottery and porcelain undertakes pressworking on household utensils.
3. Chinese ink layer is thick enclothe force strong. The printing ink ply on presswork of edition of peace of relief printing plate has a few micron only, gravure also period of efficacy 12 ～ 15μm, and the printing ink ply of screen printing can amount to 30 ～ 100μm, accordingly, the covering power of printing ink is particularly strong, pure Bai Yin can be made brush on completely black paper. In addition, can use the characteristic with printing ink thick layer to undertake such as of circuit board and canvas presswork.
4. Applicable the printing ink of all sorts of types. Screen printing is had can use a kind of any coating to undertake black-and-white characteristic, like oily, ability in swimming, synthetic resin model, all sorts of printing ink such as powdery body all can be used. Chinese ink of filar stamp-pad ink, it is all sorts of coating actually. Other presswork ask the painty granuality of all sorts of printing ink wants fine, and screen printing wants to be able to pass through the printing ink with webby fineness mesh and coating to be able to be used only. Screen printing can imprint not only monochromatic, OK still chromatically and add a net to undertake color pressworks.
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