Ice ink is transparent, not only does not cover the carbon-free carbon paper underlying ink, but also can play a certain propaganda design for the color of the underlying ink, so that the printed pattern presents colorful visual effects, this article will introduce you Manual 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.
Photosensitive adhesive screen printing can use diazo photosensitive adhesive, the coating tank is mostly stainless steel, the photosensitive liquid is poured into the tank to account for about 1/2, the stretched screen printing is inclined by 70 °, the coating tank and The lower end of the screen is in contact with it and slowly lifted up, coating from the bottom to the top of the mesh. Note that the speed should not be too fast, so as to avoid foaming of the photosensitive liquid and pinholes on the film surface. After the business card printing, the screen version was inverted and coated once, and then dried in a 40 ° C drying oven. After drying, the screen surface of the screen is applied 2 to 3 times in the same manner, and the film thickness is 10 to 30 μm, and the disc can be printed.
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