Screen printing label factory color polyester label printing film prepress processing method

Screen printing label factory color polyester label printing film prepress processing method when convenient for printing, cutting good transparent polyester film must be flat on a smooth plate, ( Ordinary flat glass, PVC board, etc. ) 。 A small piece of cling film former, used for - - - - - - - > screen printing label factory color polyester label printing film prepress processing method when convenient for printing, cutting good transparent polyester film must be flat, on a smooth plate ( Ordinary flat glass, PVC board, etc. ) 。 Attached with a thin film, can use a small piece of water after wetting the gauze evenly coated board face again, and then affix film, with a dry gauze graze in the thin film surface, hurried to membrane under the bubble, so that it is flat and level. So, the film in the printing won't move, in order to reach the purpose of positioning. Due to carrier film and plate in water film between adsorption and so on after the graphic printing, film can be easily stripped, loading board also can be used repeatedly. If you use the vacuum aluminum plating film printing plates, can use transparent tape the four corners of the paste way, make it flat to apply on the load board. Before printing, use a small amount of solvent pretreatment ( Such as acetone, cyclohexanone, or mixed solvent) Wet cotton ball and gently scrub the film printing surface again, can remove surface stains on one hand, on the other hand can also be used solvents on membrane surface erosion effect to improve the printing ink adhesion. Screen printing signs factory aluminum brands screen printing screen printing technology key points and ink printing plate technology, is one aspect of screen printing technology. Aluminum plate now fill all kinds of signs have been widely used in electronics and home appliances products, especially in all kinds of signs adopted new decoration process, after the appearance of it in the form of delicate and elegant, repeatedly colorful decorative effect displayed in front of people, improve the value of the goods and competition ability. Is crucial in the process of plate production, is the silk screen printing and printing substrates before disposal technology and key points of printing and screen printing ink. Screen printing plate method: 1, the paint film carve is one of the manual plate making method, is relatively simple. Can be printed generally not too delicate monochrome pattern and text. ( 1) Spray system generated film paper: use tracing paper paste stick on flat boards, with the combination brush pen 1 rubber water ( Volume ratio) 1 set, gasoline, evenly coated on paper, dry spray soft varnish after 3-5 times, each time after spraying, with 40 ~ 50 degrees in oven drying, spray paint film thickness to 5 ~ 6 millimeter advisable, coating should be bright, smooth, no bubbles, no stain. ( 2) Carve graphics: stick film paper on graphics, aluminum plate press with kedao, compasses knife, ruler graphic carvings, gently remove paint film. ( 3) Quote: after carving graphics, can the past do silk screen frame on a quote. Way is to put the carved film under the net frame clamp, use cotton with a little thinner in the above after wipe gently, until paint film and screen glued down. Off tracing paper to dry after a few minutes away. If the paper is not gone completely, usable cotton touch water wipe. The local use of blank lacquer coating layer, screen mesh plug. Printing after dry. 2, carbon paper plate burning method: is a kind of relatively simple manual plate making method. ( 1) Sensitive paper cutting, paper is a kind of mixture thicker coating and oxygen barium base paper made of carbon paper, according to the size of the graphics lay aside. ( 2) Sensitization: in 500 and 20 g in the preparation of ammonium dichromate solution soak for 3 - 5 minutes, remove aluminum carbon paper, the water distribution of dry, 3) Exposure: stick carbon paper flat in a clean glass, film, up in the top cover figure polyester film negatives, using printing-down machine exposure, exposure time 8 - 12 minutes. ( 4) Development: after exposure in 40 ~ 50 degrees warm water soak for a few minutes, the film and Yang chart with zinc oxide base paper from nature, carefully developed with warm water to form the text clear so far.