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Automatic Sitting Machine for BOPP PE Pet PVC Film Foil Paper Fabric Roll Slitter Paper and Plastic Film Slitting & Rewinding Machine Converting Machine1
Machinery for Packaging Supplies, Plastic Slitting Machinery, Slitting and Rewinding Machine
Qingdao Osun Print & Pack Machinery Co., Ltd.
Preview:
Product Description Jumbo roll width1300mmDiameter of unwinder1200mmDiameter of rewinding600mmMinimum slitting width 20mmPaper core size for unwinder3"an6"Paper core size for rewinder3"Slitting speed10-400m/min (Depends on materials)Tolerance of EPC≤0.1mmTotal power12KWWeight3500KGOverall dimension (L xW x H)2250mm×3800mm×1700mmQ1: What is a flexographic printing machine?A: A flexographic printing machine uses flexible relief plates to print on a variety of substrates such as paper, plastic film, and metal foil. It is widely used in packaging, labels, and newspapers.Q2: How does flexographic printing differ from other printing methods (e.g., offset, gravure)?A: Flexographic printing is faster, more cost-effective, and more versatile in terms of materials. Compared to gravure, it has lower plate-making costs. Compared to offset, it can print on a wider range of substrates.Q3: What are the main components of a flexographic printing machine?A: Key components include the unwinding system, printing cylinders, anilox roller, doctor blade system, ink delivery system, drying units, rewinding system, and electronic control system.Q4: What is an anilox roller and what is its function?A: The anilox roller transfers a consistent amount of ink to the printing plate. Its cell count, angle, and volume directly affect ink density and print quality.Q5: What types of ink are used in flexographic printing?A: Mainly water-based and UV inks. These are more environmentally friendly than solvent-based inks and offer fast drying times, especially suitable for food packaging.Q6: How is registration accuracy maintained in flexographic printing?A: Through servo motors, tension control systems, and automatic registration control technology that ensure precise alignment between color stations.Q7: How to deal with ink spots or smudges during printing?A: Check the cleanliness of the anilox roller, inspect the plate for damage, and ensure the ink is free of impurities or bubbles. Replace filters if necessary.Q8: What routine maintenance does a flexo press require?A: Regular cleaning of the ink system, inspection and replacement of worn doctor blades, lubrication of moving parts, tension system calibration, and scheduled part replacements.Q9: What materials are suitable for flexographic printing?A: Plastic films (e.g., PE, BOPP), paper, aluminum foil, self-adhesive materials, paper bags, paper cups, and corrugated board.Q10: What kinds of products are typically printed using flexo?A: Food packaging bags, beverage labels, hygiene product packaging, tissue wrap, courier bags, wrapping paper, and more.Q11: What factors should be considered when choosing a flexo press?A: Consider printing width, number of color units, printing speed, level of automation, online inspection capabilities, and after-sales support.Q12: Is flexographic plate-making expensive?A: Flexo plate-making is cheaper than gravure but slightly more expensive than offset. However, modern digital plate-making improves efficiency and reduces long-term costs.
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