Automatic roll to roll screen varnishing machine LTA-4050

• It integrates automatic feeding → screen printing → UV drying → rewinding into one streamlined process.
• It is widely used for high-quality printing and coating on labels, stickers, PET/PP films, transfer films, and flexible circuits.
  Key Features:
• Model: LTA-4050
• Printing Area: 400 × 500 mm
• Speed: Up to 6,000 pcs/h
• Precision: Servo-driven system with ±0.1mm registration accuracy.
• Drying: Equipped with two sets of UV dryers for instant curing.

2. Varnishing (UV Coating) Function & Applications

1. Protection
   • Abrasion Resistance: Forms a hard, durable film to prevent scratches, scuffs, and wear during handling, transportation, and daily use.
   • Chemical & Moisture Resistance: Shields prints from water, oils, solvents, and UV light, preventing fading and damage.
2. Aesthetic Enhancement
   • High Gloss Finish: Delivers a mirror-like shine to make colors pop and graphics stand out.
   • Spot Varnishing: Selectively applies gloss to specific areas (e.g., logos, text) while leaving the rest matte, creating a striking contrast and premium feel.
   • Special Effects: Creates unique textures like matte, satin, 磨砂 (sandblasted), crystal, or crackle finishes.
     B. Wide-Ranging Applications

• Label & Packaging Industry:
  • Food, beverage, and cosmetic labels: Enhances shelf appeal and provides durability.
  • Pharmaceutical labels: Ensures safety and legibility through protection against moisture and chemicals.
• Commercial Printing:
  • Brochures, posters, and book covers: Adds a luxurious finish and protects high-quality prints.
  • Greeting cards and invitations: Creates elegant, tactile effects.
• Electronics & Industrial:
  • Membrane switches, flexible circuits, and control panels: Provides insulation, protection, and a smooth surface.
  • RFID tags and electronic labels: Protects delicate components and ensures longevity.
• Transfer Printing:
  • Heat transfer films and apparel decals: Improves washability and scratch resistance after application to fabrics.

3. Why Choose LTA-4050 for Varnishing?

• All-in-One Solution: Combines printing and UV varnishing in a single pass, saving time and reducing costs.
• Perfect for Flexible Materials: Designed for roll-to-roll processing of thin films and papers, ensuring consistent tension and coating quality.
• High Efficiency & Quality: The dual UV curing system ensures instant, thorough drying, enabling high-speed production without smudging.
  In summary, the LTA-4050 is not just a printer but a versatile surface finishing system, where the varnishing function elevates the durability and visual impact of printed products across numerous industries.