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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Gravure 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 full automatic tension control.
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Rewinding & Unwinding: 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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Control System: The four-section closed-loop tension system, motion control, and servo drive control are centrally managed by a PLC.
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Heating Method: New type of 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 to monitor 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, reducing ink splashing.
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Widely Used In
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Frequently Asked Questions
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What printing materials are compatible with this gravure printing machine?
This machine is compatible with a wide range of flexible packaging materials, including OPP, BOPP, CPP, PET, PE, PVC, and rolled paper. Its versatility makes it suitable for various packaging and labeling applications across industries.
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What is the maximum printing speed of the machine?
The machine supports a printing speed range of 300 to 500 meters per minute. This high-speed capability ensures superior production efficiency while maintaining consistent print quality throughout the entire run.
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How accurate is the color registration system?
The machine is equipped with an automatic color register system achieving a color registration accuracy of ≤ 0.1 mm. Each printing group operates independently, and the pre-registration system enables quick alignment for high-precision multi-color printing.
Q
Can the machine change rolls without stopping production?
Yes. The dual-station rewinding and unwinding system supports high-speed non-stop automatic splicing and roll changing. The shaftless pneumatic top-loading design allows for quick replacement with material change warnings, minimizing downtime and maximizing productivity.
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How does the machine control tension throughout the printing process?
The machine features a four-section closed-loop tension system centrally managed by a PLC. Rewinding and unwinding traction uses servo motor full automatic tension control, while dual unwinding shafts are regulated by vector frequency control for stable and precise tension management.
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What industries and applications is this machine best suited for?
This gravure printing machine is widely used in food packaging, daily chemical packaging, label printing, pharmaceutical packaging, and aluminum foil printing. Its combined-type modular design also allows the configuration to be increased or reduced based on specific user requirements.