Hoenle UVAPRINT EP High-Performance UV Curing System
| Brand | Hoenle |
|---|---|
| Country of Origin | Germany |
| Model | UVAPRINT EP |
| Arc Length | 100–1055 mm |
| Max. Power Output (Cyclic) | 330 W/cm |
| Continuous Power Output | 240 W/cm |
| Power Control Range | 30–100% |
| Cooling | Air-Cooled |
| Reflector Type | Elliptical or Parabolic |
| Lamp & Quartz Replacement | Tool-Free Push-In Mechanism |
| Compliance | CE, RoHS, IEC 60335-1, IEC 62471 (Photobiological Safety) |
Overview
The Hoenle UVAPRINT EP is a high-intensity, air-cooled ultraviolet (UV) curing system engineered for industrial printing and surface engineering applications in packaging manufacturing environments. It operates on medium-pressure mercury vapor lamp technology, delivering broadband UV irradiance across UVA (320–400 nm), UVB (280–320 nm), and trace UVC (200–280 nm) spectral ranges—optimized for rapid photopolymerization of acrylate-based inks, varnishes, adhesives, and encapsulants. Designed for integration into offset (lithographic), flexographic, and 3D inkjet production lines, the UVAPRINT EP supports continuous web and sheet-fed processes with precise dose control and thermal management. Its modular architecture enables seamless adaptation to varying substrate widths, line speeds, and curing depth requirements—making it suitable for high-speed carton coating, label lamination, and functional barrier layer curing.
Key Features
- High-power UV output: 240 W/cm nominal continuous irradiance; up to 330 W/cm in cyclic operation mode for demanding formulations requiring elevated photon flux.
- Adjustable arc length range: 100 mm to 1055 mm—enabling configuration for narrow-format digital print heads or wide-web packaging converters (up to 1300 mm active width).
- Linear, analog power regulation from 30% to 100%—ensuring stable spectral output and consistent dose delivery without spectral shift or lamp instability.
- Integrated quartz filter at irradiation exit: Blocks ozone-generating short-wave UV (<200 nm) while maintaining optimal transmission above 220 nm; compliant with occupational safety requirements per EN 62471.
- Tool-free push-in lamp and quartz replacement system: Reduces maintenance downtime and eliminates alignment recalibration—critical for 24/7 packaging production schedules.
- Dual reflector options: Standard elliptical reflector for maximum intensity at focal point; parabolic variant for uniform irradiance distribution over extended zones; optional dichroic reflector reduces infrared (IR) radiation by >60%, minimizing substrate heating during heat-sensitive film or foil processing.
Sample Compatibility & Compliance
The UVAPRINT EP is compatible with standard UV-curable chemistries used in packaging—including cationic epoxies, free-radical acrylates, hybrid systems, and low-migration food-contact inks meeting EU Plastics Regulation (EU) No. 10/2011 and Swiss Ordinance SR 817.023.21. The system meets CE marking requirements under the Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU. Photobiological safety assessment conforms to IEC 62471:2006 (Risk Group 3 for unshielded operation), and electrical safety complies with IEC 60335-1. All control interfaces support integration into PLC-controlled packaging lines with standardized 0–10 V analog or Modbus RTU digital signaling.
Software & Data Management
While the UVAPRINT EP operates as a standalone unit with front-panel analog controls, optional digital interface modules enable full integration into Industry 4.0 environments. An RS-485 port supports real-time monitoring of lamp voltage, current, operating hours, and thermal status via SCADA or MES platforms. Optional Hoenle UV-Log software provides audit-trail-capable logging (timestamped irradiance values, power settings, error codes) aligned with GLP and GMP documentation requirements. All firmware updates follow secure signed-package protocols compliant with IEC 62443-4-2 for industrial cybersecurity.
Applications
- Offset and flexographic printing: Instant curing of high-gloss, scratch-resistant varnishes on folding cartons and corrugated board.
- 3D tactile and embossed effects: Precise energy dosing for raised UV coatings used in premium cosmetic and pharmaceutical packaging.
- Adhesive activation: Curing of pressure-sensitive adhesives (PSAs) for self-adhesive labels and tamper-evident seals.
- Encapsulation & barrier coating: Crosslinking of silicone-acrylate hybrids for moisture- and oxygen-barrier layers on flexible pouches.
- Functional ink curing: Processing conductive, antimicrobial, or anti-counterfeit UV inks on smart packaging substrates.
FAQ
What lamp types are supported by the UVAPRINT EP?
Standard medium-pressure mercury (Hg) lamps with doped quartz envelopes (e.g., Hg + Fe, Hg + Ga); optional iron-doped lamps for enhanced UVA output; gallium-doped variants for broader UVB contribution.
Is the system compatible with inert atmosphere (nitrogen) curing?
Yes—when integrated with nitrogen purge enclosures (sold separately), the UVAPRINT EP enables oxygen-inhibited cure of thick-section adhesives and low-shrinkage formulations.
Does the UVAPRINT EP meet FDA or EU food-contact compliance requirements?
The system itself is not subject to food-contact regulation; however, its controlled UV output enables full compliance of cured materials when validated with food-grade photoinitiators and monomers per FDA 21 CFR §175.300 and EU 10/2011.
Can irradiance uniformity be verified in situ?
Yes—using calibrated radiometers (e.g., EIT PowerPuck® or Gigahertz-Optik X1-1) mounted on traversing carriages, users can generate ISO 9001-compliant irradiance maps across the full working width.
What is the typical service life of the lamp and quartz filter?
Lamp lifetime: 1,000–1,500 hours at rated power; quartz filter: 3,000+ hours under clean-room or filtered-air conditions—both monitored via built-in hour counters and lamp-end-of-life diagnostics.
