How to deal with the printing of textile fabric blockage and printing parts damaged
(1) to clear the screen mesh plugging: screen mesh plugging can be used mechanical friction solution. The specific approach is to first soaking the printing plate in the water, so that the folder rolled in the printing bit screen in the full plastic expansion, and then use the eraser from the edge of the printing constantly rub to the plug site, scrub until the site will block all Clear up so far. Do not damage the printing screen during flushing.
(2) to prevent the screen board plugging network: first of all should pay attention to the thickness of the color paste particles, paint the nature of the formulation of adjuvant adjustment and season changes. In production, the method of wet protection of the screen can be used to prevent the screen from being blocked. The specific method is to print printing pulp scraping scraping the bottom of the printing plate frame, and then half wet towel or cotton to dry the entire board surface, and then covered with a damp cloth towel in the printing position, so you can prevent Plugging network. If the time is long, wet towel cloth can be placed under the board. Can also be used sponge soaked in semi-dry on the screen up and down, the effect is also very good. If the slurry thicker, the slurry can be directly thick seal scraping the entire board printing position, to prevent blocking the network within a short time.
(3) partial damage to the screen printing bit repair methods:
① tools and materials: Choose a small scissors, hair dryer, horns knives, tweezers, gouache advertising paint, brush, blade, patch plastic, vinyl chloride resin paint, Strap wrapped with cloth to prevent the screen stretched tight in the frame), pay attention to the need to use different sizes of frames and embroidery wreath rack.
② The damaged screen rinse with water, and then air-dried or dried, and then placed in the plate repair board rack, the screen will be cut smooth, the area should be greater than the damaged print bits, the oval when the cut is better . With a good stretch of small mesh or embroidered with good mesh screen printing wreath frame, close to the board repair office, and then patch plastic, vinyl chloride resin paint paste in the edge of the printing position, with a hair dryer to blow dry . Then cut the small screen or embroidery frame. By printing brush dipped in paint painted, to be dry, and then use the scissors to break the original part of the printing type cut off. Difficult to dig part of the scissors, tweezers can be used to clamp the broken network, and then cut off the blade. Pay attention to certain careful operation.
③ seal coating repair method. Cut off the entire damaged screen with scissors, then align the black and white negatives of the negatives on the printed surface of the board, stick them with adhesive tape, or press the original rules Line black and white film positioning, and then placed on the printing plate positioning device. Use a ball-point pen and a pencil to depict the original printing pattern. Use gouache advertising paint to paint the printed pattern. After the thousand-piece printing, apply the patch glue and the perchlorethylene resin paint evenly to the screen repair place. After it is dry, Scraping off the ads on the paint, so you can complete the board. The fine parts of the printing type of repair, but also can use the above method, but need to use diazo resin photosensitive glue, the first coating repair parts, to be, and then photosensitive, developing, washing, drying, processing, you can use.
WUXI JINFENG SILKSCREEN MESH MANUFACTURING CO., LTD.
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