Screen printing is favored in the packaging and decoration field of printing houses, and its status and role are increasingly inconsistent with envelope printing, especially in tobacco, wine, gift packaging and more widely used in Shanghai printing plants. At present, most of the applications are imitation metal etching, ice texture, refraction and other screen printing processes. The printed boxes are colorful, elegant and luxurious. The self-adhesive printing is top grade, which is very popular among consumers. The market is optimistic. This article will introduce you to the manual large stretcher offer.
The stretcher is one of the printing equipments and one of the necessary equipment for making the screen version. However, it should be clearly stated that the use of the stretcher alone does not play a typographical effect. Special machinery is used together to play a special auxiliary function.
The material of the mesh frame, the size of the frame, the shape and the flatness after processing, the strength and the aging treatment, etc., are directly affected by the tension and tension of the screen. In most cases, the main reason is that the tension of the mesh stencil is reduced due to insufficient frame strength.
When the tension of the wire mesh machine reaches the required tension, the frame is raised against the wire mesh, so that the wire mesh is affected by the friction resistance of the frame when there is no wire mesh, so the tension is easily uniform.
The hardness of the printing blade is HS65-75, and the printing effect of the squeegee and scratch card is better. In printing, the ice ink is intermittently solidified, and the printing speed of the printed advertisement on the conveyor of the curing machine is 25 to 35 m/min. The curing light source is 6 UV lamps that are discharged side by side, and the power intensity is 60-80 W/cm for optical disc printing. When curing, after the first three UV self-adhesive printing lamps, the printed products should be blown in the cooling zone, then enter the curing zone of the last three lamps, and then blown with cold air, so that the desktop desk calendar is better. Product Manual.
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