Screen printing is called universal printing and has a wide range of applications. It has great potential for development and development. At present, there are more than 40 varieties of screen printing machinery, such as pneumatic, semi-automatic, 3/4 automatic, fully automatic, monochrome and multi-color, flat and curved machines. From the model point of view, in addition to the splicing type of domestic screen printing machine, the production of four-column lifting and elastic table stretching machine is more and more, the production of eight-color automatic flat screen printing machine has filled the model of China. The blank, this article will introduce you to the working principle of the stretcher.
Pneumatic stretcher: the clamp does not tighten the mesh - adjust the screw above the chuck; replace the rubber bead; the collet is inconsistent - adjust the flow valve to make the intake air volume consistent; the piston rod is too dusty to clean and lubricate; The oil mister has no oil or dripping oil. Mechanical stretcher: The clamp does not hold the mesh - adjust the screw above the chuck; replace the rubber pressure strip; the mechanical part is not flexible - you need to clean the gears, racks and guides of the equipment regularly, and add it inside. Lubricating oil; whether the pneumatic top net device has oil. The fixed height and volume of the cylinder should be properly adjusted to avoid breaking the mesh with a certain tension.
Daily maintenance method of the stretcher: ensure that the drain filter of each shift must be drained, check the lubrication of the slide rail, check whether there is any foreign matter jam in the machine running range, and clean the surface of the machine.
Screen printing of ice-printed paper is printed on a high-smooth cardboard surface covered with a high-gloss vacuum-aluminized film. The quality of the film is one of the key factors determining the quality of ice-screen printing. The surface gloss of the film has a great influence on the quality of the product. The higher the surface gloss, the stronger the reflection, the better the ice-effect card making company, and the pattern is more flashing and brighter. Since the printed product after printing and printing needs to be UV-cured immediately, this requires the film to have certain light resistance and heat resistance, that is, the film cannot be bubbled during the entire curing process, and it cannot be separated from the underlying paperboard. poster design.
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