How the Lamp Types Affect the Curing Process

How the Lamp Types Affect the Curing Process

  • Tuesday, 02 July 2024
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How the Lamp Types Affect the Curing Process

When using UV light curing technology it is important to understand how the various lamp types affect the curing process.mixed wavelength curing lamp This includes both the type of light (LED vs. traditional UV arc) and the wavelength that the light emits (narrow vs. wide).

Traditional UV arc lamps emit a broad spectrum of wavelengths with their peak emission at 365nm.mixed wavelength curing lamp These bulbs require a long warm-up time and have to be replaced periodically to maintain proper performance. LED lights are designed to emit more focused wavelengths and require less energy to produce the same output of light. They are also more durable and do not contain mercury, which makes them less hazardous to use and dispose of.

LED lights have become the standard for most curing systems because of their lower operating costs, reduced heat output, instant turn on and off capability, and longer life span than traditional arc bulbs.mixed wavelength curing lamp When properly used in an appropriate setting, with the proper protection equipment and training, LEDs can be just as effective at curing restorative materials as a traditional UV gel lamp.

Many manufacturers are now offering hybrid PAC units that allow the operator to choose the best curing tip for their particular restorative material. This way, they can be flexible with their inks and curing techniques without having to swap out the entire unit.

The key to selecting the right tip is the power radiated from the surface area of the tip. This is typically measured in watts per square centimeter or mW/cm2.

It’s important to know that the irradiance of both arc and LED lamps degrade over time due to internal heating effects. This is why it is crucial to monitor the irradiance of a curing system by acquiring a reliable radiometric measurement instrument. Gigahertz-Optik offers several solutions that are compatible with UV curing applications, including the Cure-Met, a small handheld spectroradiometer that can be easily placed on conveyor belts and record local irradiance over time.

When selecting a mixed wavelength curing lamp, it is important to verify that the lamp is at 80% of its original specifications. This is important because if it has been used for a significant amount of time, the lamp may not generate enough ultraviolet energy to initiate curing at the resin/ink interface. It is also important to check that the coating and ink material are thoroughly mixed before application, so that the photo initiator is evenly distributed throughout the coating. If the photo initiator is not evenly distributed, it will take more time for the adhesive to fully cure.

Tags:600w uv ink curing lamp | 900w uv curing lamp

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