Equipped with a thermally zoned heated slot die extrusion head and positive displacement gear pumps. Delivers microgram cross-web coat-weight uniformity for solventless UV acrylic hot melt adhesives across the full 1700 mm span, without streak lines or thermal degradation.
Features an in-line focused UV radiation chamber that triggers instantaneous polymer cross-linking immediately after hot melt coating. Vastly improves adhesive shear strength, chemical resistance, and high-temperature hold-up to 150°C without volatile solvent emissions.
Integrates high-efficiency internal liquid-cooled chilled drums directly beneath the UV cross-linking focus. Rapidly absorbs both molten application heat and UV infrared radiation, safeguarding thin PET films and specialty papers against thermal stretching and curl.
Maintains continuous closed-loop vector tension regulation between unwinding, heated coating, UV curing, and surface rewinding. Eliminates web wrinkling, tension surges, and telescoping during continuous high-speed industrial converting up to 350 m/min.
| Engineering Parameter | Technical Metric / Machine Capability |
|---|---|
| Model Designation | MEAREG MG-1700UVH |
| Compatible Substrates | PET film, siliconized release paper, Kraft paper, and synthetic webs |
| Standard Substrate Working Width | 1700 mm |
| Operational Coating Speed | 10 – 350 m/min |
| Adhesive Formulation Chemistry | 100% solid UV-curable hot melt acrylic pressure-sensitive adhesive |
| Coating Applicator System | Heated precision slot die extrusion head with metering manifold |
| Polymer Cross-Linking System | Multi-lamp UV photopolymerization gallery with variable power control |
| Web Cooling & Temperature Control | High-flow internal chilled roller assembly beneath UV radiation focus |
| Tension Regulation Architecture | Multi-section closed-loop vector servo tension control |
| Workflow Scope | Integrated unwinding, UV hot melt coating, UV curing, and rewinding |
| Manufacturing Quality Standards | CE-marked, ISO 9001-certified industrial execution |
Turnkey Production Line Upgrades:
Note: Auxiliary hardware modules integrate seamlessly into the centralized PLC touchscreen recipe control architecture.
A: Standard hot melt adhesives are thermoplastic and soften under elevated temperatures (typically above 70°C). In contrast, UV hot melt adhesives undergo photochemical cross-linking under UV light, forming a thermoset-like polymer matrix that delivers exceptional heat resistance up to 150°C, outstanding cohesion, and solvent resistance while maintaining 100% solvent-free environmental compliance.
A: The MG-1700UVH combines dichroic cold-mirror reflectors that filter infrared heat with high-capacity internal liquid-chilled drums positioned directly beneath the UV exposure window. This arrangement conducts away radiated heat within milliseconds, keeping temperature-sensitive PET films and lightweight papers below thermal distortion limits.
A: MEAREG designs and manufactures complete UV hot melt coating lines in Guangdong. We supply comprehensive plant engineering, hot-melt supply, piping schematics, and complete Factory Acceptance Testing (FAT) with client substrate rolls and UV adhesives before export container packing and on-site commissioning.
Planning a specialized UV hot melt adhesive coating production line for technical tapes or high-performance labels? Contact MEAREG's senior engineering team to discuss your width requirements, UV dose specifications, line speeds, and chiller configurations, or to request a comprehensive factory quotation.
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