According to the request of consumer summons and process cards, the printing staff first receives the corresponding screen, ink, and sticker materials, and performs the mutual inspection work. The details include: ①Can the used screen and ink fit the consumer voucher or process card? Request; ② Whether the quality of the screen can meet the quality requirements of the printing application; ③ Check the appearance quality of the self-adhesive materials while counting the points. After checking the accuracy, fix the screen and debug the pitch, and then use the self-adhesive positioning data to stop the positioning. At this time, the position of the printed pattern must be confirmed strictly according to the positioning frame. The three positioning pieces are located at 1/3 of each positioning edge. The size of the positioning sheet is 1 cm × 2 cm. Mark the position of the positioning sheet at the edge of the self-adhesive material during original positioning.
Before printing the first piece, use printed paper to print the version. The first piece of monochrome printing is finished. It must be confirmed by the quality inspection personnel. The word "Agree to print" should be signed on the first product color sample and signed; By comparison, if an abnormality is found, appropriate adjustments should be made, such as adding thinner, adjusting the blade angle, changing the ink, etc.
For precise products, you need to wipe the surface of the self-adhesive materials with an electrostatic brush, electrostatic rag or non-woven cloth dipped in alcohol before printing. According to the printing quality inspection specifications, with each printing machine as the initial self-inspection unit, the qualified and unqualified products should be strictly identified and placed during the printing process.
When printing transparent sticker materials, it is necessary to do a car body color test, and the front can be printed if qualified.
At the end of printing, the self-adhesives printed with such as Japanese Seiko ink should be pushed into the drying room, the temperature is set to 45 ~ 50 ℃, baking 20 ~ 30 min, and then put out the drying room to dry naturally; other types of ink After the printing is finished, it can be stacked up in front of a naturally dry room for 24 h, otherwise it must be placed vertically; for overprinting of more than two colors, the registration distance should be controlled at more than 30 min. When receiving printed matter from the drying rack, make sure that the positioning edges are divergent and there are no scratches or wrinkles; for unqualified products, the “׆mark should be marked on the corresponding part on the bottom paper surface; Goods and unqualified products, count their respective quantities, fill out the consumer summons.
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