Screen on Top UV Lamp

UV curing lamp for screen protector

Wed, 24 Jun 2026 07:14:44 +0800

On the floor, every kilowatt your UV system pulls hits the P&L. When you’re running screen protector lines, the real question is simple: how do you keep full cross-linking and scratch resistance without burning money on electricity? We built this UV curing lamp for screen protector work to deliver repeatable cure while cutting the power draw.

What matters under the hood

It runs a high-pressure mercury vapor lamp, tuned to 365 nm to match the photoinitiators in hard-coat formulations. You get 1200 mW/cm² peak irradiance at the substrate plane—enough to drive rapid polymerization without overheating thin films. Power density is set at 120 W/cm, and the arc stays stable enough to hold spectral output within ±2% over the life of the lamp. A dichroic-coated reflector pushes more UV onto the work, and the ozone-free design keeps ventilation straightforward.

UV lamp for screen printing

Tue, 09 Jun 2026 06:04:05 +0800

On the screen floor, downtime and rejects aren’t theory. They’re the direct result of a UV lamp that can’t keep up—ink that stays tacky, adhesion that falls apart, and schedules that slip away. We build our custom UV lamps to stop that from happening, and we back the performance with a warranty that means the numbers aren’t just talk. Here’s what actually matters in curing: spectral output and the energy density you deliver to the ink. Our mercury vapor lamps are engineered around the photoinitiator window, hitting strong output at 365nm for deep through-cure, while the stable 385–405nm component takes care of surface cure and color integrity. Peak irradiance stays consistent across the print width thanks to a dichroic-coated reflector, so the dose is uniform—first pass, last pass, same result. We match power density to the substrate and ink film, and we talk about curing speed in practical terms: line speeds you can actually hold without yellowing, with cross-linking that stays consistent. Stability isn’t a slogan. Our lamps hold output over thousands of hours, with a controlled degradation curve—less than 5% drop at 5,000+ hours. Why this matters for screen printing: you need deep penetration into thick ink deposits, but you can’t overheat thin substrates. The 365nm drives the photoinitiators through the bulk, and the broader spectrum gives you a clean skin cure that locks in gloss and adhesion. The payoff is faster cycles, fewer rejects, and less energy per print because the reflector efficiency keeps the power where it counts—on the substrate. Before you install, confirm fixture dimensions and the electrical interface. These lamps run hot, so airflow and keeping the reflector clean directly affect irradiance. Compatibility comes down to the printer’s shutter, shutter speed, and shutter cycle count—tell us your machine model, and we match the lamp, connector, and duty cycle. And if performance ever dips within the warranty period, our replacement process is straightforward and fast. No guesswork. Just uptime.

Gallium lamp for screen print exposure

Mon, 08 Jun 2026 07:31:43 +0800

On the floor, a screen exposure unit lives or dies on its lamp and how clean the quartz envelope stays. Put a gallium lamp in for screen exposure, and a single fingerprint on the quartz becomes a surefire failure path. Organic residue soaks up short-wave UV, hot spots form on the quartz, and crystalline devitrification accelerates. You end up with measurable loss in spectral output, shorter lamp life, and the usual fallout—exposure that drifts, pinholes, and rework. Gallium lamps give you a stable spectral profile centered at 365 nm and 405 nm, right where the photoinitiators in UV-curable emulsions need it. That targeted output hits higher peak irradiance at the stencil than broad-spectrum mercury, which tightens cross-linking uniformity and cuts pinholes. Most systems run 80–120 W/cm, with dichroic-coated reflectors to shape the beam and keep dose consistent across the exposure field. Output is measured in mJ/cm²; with clean quartz and reflectors aligned to spec, you can hold ±5% dose uniformity across the active area. Here’s why it works in practice: the narrowband output translates to faster exposures and less heat load on the screen frame, so sagging and emulsion bloom stay under control. Gallium lamps are also ozone-free, which simplifies ventilation and keeps operator exposure in check. The payoff is fewer exposure tweaks, less makeready scrap, and repeatability that holds from job to job. A few field notes.**Never touch the quartz with bare hands.**Use lint-free gloves and isopropyl alcohol for handling and cleaning. Confirm voltage and igniter compatibility—gallium lamps have different arc characteristics than mercury, and they need matched ballasts. Set reflector alignment to the specified focal distance; a 2 mm offset can knock peak irradiance down by 10%. Expect 2,000–3,000 hours at rated power, and keep an eye on reflector oxidation and quartz hazing as the main degradation routes.