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cardboard box suppliers
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1, Pre-press design process technology control
Convex actual layout should be avoided in the same color version of the fight with small Yin Xian and text, so as to avoid the pressure, for the ink can not give full consideration, prone to Paste and pressure uneven phenomenon, affecting the product's printing quality. Convex version of the overprinting area should be as far as possible from the site, so that the edge of the overprinted layout to leave a certain gap around the edges or light-colored version of the appropriate expansion of the edge (so that the edge of the overprinting layout can be overlapped cover), so slightly overprints are not allowed, Unreadable on the naked eye.
2, do a good job of technical control of imposition technology
Overprinted sections of the layout should be as close as possible to the mouth and pull rules (side gauge) Department, in order to avoid stretching due to changes in paper, overprint does not allow the phenomenon. In addition, the layout of ''across the river'' (separated core) larger or more plates chromatic layout, should not be spelled in two processes were overprinted.
3, pay attention to the rational use of offset plate
PS version with a thin plate, the surface mounted to the drum, it is relatively small angle, the plate elongation is also smaller, and it can maintain a closer contact with the roller, which will help improve the overprinting convex products Accuracy, therefore, offset printing process should choose PS version for printing.
4, pay attention to the printing plate bottom care process technology control
Small size packaging products often use four open or round flat structure of the relief printing press, the printing plate of the material characteristics of the bottom of the printing pressure, overprint accuracy and ink quality effects have a greater impact effect. The traditional wooden bottom support, the material is not solid, squareness, flatness and stability are relatively poor, prone to bow and deformation, the printing quality is difficult to guarantee. Therefore, the letterpress printing should be solid, smooth, Founder, good stability of the aluminum or cast iron magnetic table and other metal materials, the bottom bracket, which is to improve product registration and ink quality basis.
5, pay attention to the good printing pressure control technology
Printing pressure should be adjusted evenly and moderately, the pressure is too easy to stretch the deformation of the sheet, causing overprinting is not allowed, therefore, the printing process requirements of embossing process must not be too large, but to try to light the printing pressure to meet Layout ink color uniform, full under the premise of the ideal printing.
Cardboard box manufacturers,Custom Cardboard Boxes, Folding Carton Manufacturers, Cardboard boxes suppliers China, Carton box manufacturers, www.cardboard-box-manufacturers.com
Show Less1, Pre-press design process technology controlConvex actual layout should be avoided in the same color version of the fight with small Yin Xian and text, so as to avoid the pressure, for the ink can not give full consideration, prone to Paste and pressure uneven phenomenon, affecting the product's printing quality. Convex version of the overprinting area should be as far as possible from the site, so that the edge of the overprinted layout to leave a certain gap around the edges or light-colored version of the appropriate expansion of the edge (so that the edge of the overprinting layout can be overlapped cover), so slightly overprints are not allowed, Unreadable on the naked eye.2, do a good job of technical control of imposition technologyOverprinted sections of the layout should be as close as possible to the mouth and pull rules (side gauge) Department, in order to avoid stretching due to changes in paper, overprint does not allow the phenomenon. In addition, the layout of ''across...Show More
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