China Suppliers Factory Electronic Shaft Unit Rotogravure Printing Machine for OPP/BOPP/CPP/PET/PE/PVC
Configuration
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The whole machine is combined type that can be increased or reduced according to user requirements.
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Printing Material: OPP / BOPP / CPP / PET / PE / PVC and rolled paper, etc.
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Machine Printing Speed: 300–500 meters/minute.
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Main Machine Drive: Servo motor drive.
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Rotogravure Cylinder Loading: Shaftless gravure cylinder loading, equipped with a pre-registration system for quick alignment and registration printing.
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Transmission: Each color servo motor independent drive (electronic shaft).
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Rewinding & Unwinding Traction: Servo motor fully automatic tension control.
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Rewinding & Unwinding System: Dual-station high-speed non-stop automatic splicing and roll changing, servo motor drive, material change warning, shaftless pneumatic top-loading and unloading for quick replacement and precise centering, rotary arm automatically flips and positions during splicing, and the cutter frame has a reset function in case of emergency.
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Tension System: Four-section closed-loop tension system — motion control and servo drive control centrally managed by PLC.
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Heating Method: New type wind reduction and concentration-enhancing heating system with secondary air recirculation for heat energy utilization and automatic constant temperature control.
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Quality Monitoring: High-speed photography used to monitor print quality.
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Printing Groups: Each group of printing is independent.
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Rewinding & Unwinding Diameter: 800 mm.
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Color Register: Automatic color register system; color registration accuracy ≤ 0.1 mm.
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Dual Unwinding Shafts: Independently controlled and driven by two servo motors, with active dual-shaft unwinding regulated by vector frequency control.
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Inking Device: Drop roller design, effectively reducing ink splashing.
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Applications: Widely used in food packaging, daily chemical packaging, labels, pharmaceutical packaging, aluminum foil, etc.
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Frequently Asked Questions
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What printing materials are compatible with this rotogravure printing machine?
This machine is compatible with a wide range of flexible packaging materials, including OPP, BOPP, CPP, PET, PE, PVC, and rolled paper. This makes it highly versatile for various packaging industries such as food, pharmaceuticals, and daily chemical products.
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What is the maximum printing speed of this machine?
The machine operates at a printing speed of 300–500 meters per minute, making it suitable for high-volume, high-efficiency production environments that demand both speed and precision.
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How accurate is the color registration system?
The machine features a fully automatic color register system with a color registration accuracy of ≤ 0.1 mm. This ensures consistently sharp and precise multi-color printing results across all production runs.
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Can the machine change rolls without stopping production?
Yes. The machine is equipped with a dual-station high-speed non-stop automatic splicing and roll-changing system. It features shaftless pneumatic top-loading and unloading for quick replacement, with a rotary arm that automatically flips and positions during splicing, minimizing downtime and maximizing productivity.
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How is the tension controlled throughout the printing process?
The machine uses a four-section closed-loop tension control system. Both motion control and servo drive control are centrally managed by a PLC, ensuring stable and consistent tension from unwinding to rewinding for superior print quality.
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What industries and applications is this machine best suited for?
This rotogravure printing machine is widely used across multiple industries, including food packaging, daily chemical product packaging, label printing, pharmaceutical packaging, and aluminum foil packaging. Its modular combined-type design also allows configuration to be adjusted to meet specific user requirements.