UV lamp connector types 4 pin

Tue, 09 Jun 2026 06:15:43 +0800

On an automotive parts line, powder-coated and printed components need a drying profile that’s fast, but still under control. When infrared heating and UV curing lamps run side by side, the weak point is usually the electrical interface. A loose or arcing connection at the lamp base will cost you — straight to downtime, uneven spectral output, and scrap. What matters, technically A 4-pin UV lamp connector is not a throwaway part. It holds pin alignment when the line is shaking, carries rated current without dropping voltage, and keeps the arc stable over the life of the lamp. In hybrid systems, the UV lamp has to deliver repeatable peak irradiance at 365 nm or 385 nm to drive the photoinitiators, while the IR emitter heats the substrate up to the glass transition temperature so the powder flows out properly. The 4-pin interface supports stable ignition voltage and consistent electrode temperature, which keeps mercury vapor pressure steady and holds spectral output flat for thousands of hours. Power density typically runs 800 W/cm to 1200 W/cm, with measured energy density in the 500–1200 mJ/cm² window, depending on line speed and the ink or coating formulation. Why it works in this application Automotive parts come in all shapes, masses, and thermal loads. Hybrid cure pairs IR for bulk heating with UV for surface cross-linking, which shortens the drying window and lets you shrink oven length. With a 4-pin connection, lamp warm-up is repeatable, lamp-to-lamp variation drops, and the system holds setpoint even when line voltage jumps around. The payoff is fewer reworked parts from under-cure, lower energy draw because dwell is shorter, and lamp replacement intervals you can actually plan around. Here are the practical details Match the connector keying and pin spacing to the curing unit. Check ignition polarity and voltage range against your power supply — mismatched polarity leads to pre-ignition and erratic output. Keep the lamp base and socket clean, monitor operating temperature, and make sure the reflector’s dichroic coating matches the wavelength you’re running. Lamp output will decay over time. Track it with a spectral radiometer, and schedule replacement when output has dropped 30–40% so you stay inside the process window.

Pin on UV Curing Zone

UV lamp connector types 4 pin