| Application: | Machinery&Hardware |
|---|---|
| Type: | Rotary Label Die Cutting Machine |
| Work Method: | Round Knife Cutting |
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| Model | JQ-320D |
| Slitting speed | 100m/min |
| Max.Web width | 320mm |
| Max.Unwinding diameter | 700mm |
| Max.Rewinding diameter for big roll | 600mm |
| Max.Rewinding diameter for small roll | 200mm |
| Max.Waste rewinding diameter | 700mm |
| Dimen sions | 1800mm*1100mm*1800mm (L*W*H) |
| Main motor | 3KW |
| Voltage | 380V,3 phase |
| Min.Cutting width | 15mm |
| Machine weight | About 1200kgs |
Q1: 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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