English
A leading manufacturer of industrial coatings and printed flexible packaging operated continuous, high-speed roll-to-roll (R2R) production lines. Their existing system relied on traditional medium-pressure mercury arc lamps to cure functional coatings on heat-sensitive film substrates.
However, the legacy system introduced severe bottlenecks:
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Thermal Deformation: Excessive heat output from mercury lamps warped thin plastic films, causing high material scrap rates.
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Inconsistent Edge-to-Edge Curing: As web widths exceeded 1.2 meters, light intensity dropped towards the outer margins, leading to uneven tackiness along the edges.
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Frequent Downtime: Long warm-up/cool-down cycles and frequent bulb replacements disrupted 24/7 web coating schedules.
To address these challenges, our engineering team designed and deployed a Wide Format Linear UV LED Long Lamp Head System customized for high-speed continuous web handling.
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Seamless Linear Coverage: Engineered with a single, extended emitting window to deliver uniform irradiance across wide web widths without cold spots or output gaps.
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Cold Curing Technology: Emits narrow-band UV output (395nm/365nm) with virtually zero infrared (IR) heat radiation, protecting thin, heat-sensitive web substrates from stretching or warping.
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High Peak Irradiance: Delivers high UV intensity at web speeds exceeding 150 m/min, ensuring deep, instant polymerization of thick functional coatings.
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Instant On/Off & Segment Control: Eliminates warm-up delays and enables multi-zone intensity control to match varying web widths, reducing energy consumption during narrower runs.
| Metric | Legacy Mercury Lamp System | Upgraded UV LED Linear System | Improvement |
|---|---|---|---|
| Web Speed | 80 m/min | 160 m/min | 100% Increase in Throughput |
| Material Scrap Rate | 6.5% (due to heat damage) | < 0.2% | 97% Reduction in Waste |
| Energy Consumption | High (Continuous Draw) | Low (Instant Trigger) | 62% Energy Savings |
| Lamp Maintenance Cycle | Every 1,500 Hours | Over 20,000 Hours | 13x Operational Lifetime |
By integrating our wide-format linear UV LED long lamp head, the client doubled their roll-to-roll line speeds while eliminating web distortion caused by excess heat. The system's seamless light distribution across the entire web width ensured consistent coating hardness from edge to edge. Furthermore, the transition to instant-on UV LED technology significantly reduced total energy overhead and minimized unscheduled maintenance shutdowns.
Looking to optimize your roll-to-roll coating line or upgrade your wide-format curing equipment? Contact our engineering team today for custom UV LED configurations and technical specifications.