Rotogravure printing press

for plasticsfor paperfor BOPP film

Overview
Our Spot Color Rotogravure Printing Machine is an industrial rotogravure press engineered to transfer pre-mixed spot inks onto flexible and rigid substrates with high repeatability and exact color matching. Designed for brand-critical packaging and specialty runs, the press provides dedicated ink units for single-pass reproduction of custom colors and special effects.

Key Features

• Registration accuracy: ≤ ±0.1 mm to ensure precise alignment across long runs
• Electronic Line Shaft (ELS) drive system for synchronized web control and tension stability
• Electrostatic Assist (ESA) ink transfer technology to enhance ink pick-up and transfer efficiency
• High-efficiency multi-zone drying tunnels enabling elevated production speeds
• Chrome-plated gravure cylinders for extended run lengths and consistent ink laydown
• Automatic viscosity control (target: 16–18 seconds, Zahn Cup #2) for stable ink film formation
• Color unit configurations customizable from 2 to 12 colors to match production needs

Applications

• Brand packaging for FMCG (food, beverage, snack wrappers) requiring exact brand colors at high volumes
• Luxury and tobacco packaging with metallics and specialty varnishes in a single pass
• Pharmaceutical blister foils where inks must withstand heat-sealing and regulatory requirements
• Security and anti-counterfeiting labels demanding fine registration and custom spot colors

What Makes It Different?

• Chemically engraved gravure cylinders provide deep, consistent cell volumes for superior ink density
• Delivers higher color saturation and tonal depth compared to flexographic or offset process printing
• Wide substrate versatility: handles ultra-thin films through heavy boards without separate machines
• Automated inline quality control (colorimetric and registration monitoring) to maintain tight tolerances

Technical table (Parameter → Specification)
Parameter | Specification
Registration Accuracy | ≤ ±0.1 mm
Operating Speed | 150–400 meters/minute
Drive System | Electronic Line Shaft (ELS)
Ink Transfer Technology | Electrostatic Assist (ESA)
Viscosity Control | Automatic (16–18 seconds Zahn Cup #2)
Drying System | Multi-zone high-efficiency tunnels
Cylinder Coating | Chrome-plated for durability
Color Units | 2–12 colors (customizable)
Substrate Compatibility | PET, BOPP, PVC, aluminum foil, paper
Film Thickness Range | 12-micron films to heavy board

Quality & Process Controls

• Inline spectrophotometers for colorimetric accuracy (target: Delta E < 2.0)
• Automated camera-based registration monitoring to maintain alignment within ±0.10 mm
• Solvent safety testing to ensure residual solvents remain within regulatory limits
• Ink adhesion testing to prevent delamination during downstream converting

Operational Advantages

• Consistent brand color reproduction from the first meter to the millionth meter
• Reduced need for manual adjustments due to automated viscosity and registration control
• Long-term durability with chrome-plated cylinders, lowering overall operational costs
• Flexible configuration options: color units, substrate width, drying modules, optional lamination and slitting

Company & Manufacturing Notes
Shaanxi Beiren has extensive experience in converting equipment manufacturing, with in-house machining centers and a 30,000 m² assembly workshop producing hundreds of machines annually for a global installed base.

Technical specifications

• Registration Accuracy: ≤ ±0.1 mm
• Operating Speed: 150–400 m/min
• Drive System: Electronic Line Shaft (ELS)
• Ink Transfer: Electrostatic Assist (ESA)
• Viscosity Control: Automatic (16–18 s Zahn Cup #2)
• Drying: Multi-zone high-efficiency tunnels
• Cylinder Coating: Chrome-plated
• Color Units: 2–12 (customizable)
• Substrate Compatibility: PET, BOPP, PVC, aluminum foil, paper
• Film Thickness Range: 12 micron to heavy board