Two Color Corrugated Carton Water Ink Printing Machine
Model : 1800x2400
Feed the upper and lower rollers
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Sheet size |
1800X2400mm |
|
Design speed: |
120pcs/min. |
|
Max. working speed： |
100pcs /min.(by sheet size and quality) |
|
Max.working size： |
1800X2400 |
|
Skip feeding size： |
2100mmX2400mm |
|
Min.sheet size： |
350mmX600mm |
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Max.printing area： |
1800X2400mm |
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Cliché thickness： |
7mm |
|
Slot width x Slot depth： |
7mmX400mm |
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Max. paper thickness |
10mm |
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Slotting accuracy |
±1.5mm
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Precautions to observe when using a Two Color Corrugated Carton Water Ink Printing Machine
Using a Two Color Corrugated Carton Water Ink Printing Machine requires careful attention to a number of operational and maintenance practices to ensure optimal print quality, smooth production, and long machine life. Below are the key precautions to keep in mind during daily use.
First, ink management is critical. Water-based inks are sensitive to temperature and pH levels. Always stir the ink thoroughly before use and check its viscosity and pH daily. The ideal pH range is typically between 8.0 and 9.5; deviations can cause poor drying, foaming, or weak color density. Use only clean water or designated additives for dilution, and never mix different brands or colors without thorough testing.
Second, anilox roll care is essential for consistent ink transfer. Clean the anilox roll at the end of each shift using a suitable cleaner and a soft brush to prevent dried ink from clogging the ceramic cells. Avoid using metal scrapers that can scratch the roll surface. Regular cleaning ensures uniform ink volume and prevents streaks or ghosting in the printed image.
Third, plate mounting and registration. Ensure that the photopolymer printing plates are correctly mounted and aligned on the plate cylinders. Improper mounting can cause misregistration, leading to color overlap or blurred edges. After mounting, run test sheets to verify registration and make fine adjustments before starting full production.
Fourth, sheet handling and feeding. Keep the corrugated boards clean and free from dust or foreign particles that can damage plates or affect print quality. Ensure that the feeder is set correctly for the board thickness to avoid jams or double feeding.
Fifth, machine cleaning and lubrication. After each production run, clean all ink rollers, plates, and the impression cylinder thoroughly. Lubricate moving parts such as gears and bearings regularly as per the manufacturer's schedule. Regular maintenance prevents wear and extends the machine's lifespan.
By observing these precautions, operators can maintain high print quality, reduce downtime, and ensure the safe and efficient operation of the two-color water ink printing machine.
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