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There are numerous arrays of 365nm UV curing LED. The array types listed below are the most common among manufacturers and retailers.
Rigid LED strip arrays
Rigid LED strips are also known as non-flexible LED strips. They are composed of a flexible circuit board that can be bent to a specific angle but not fully flexible. This LED strip has a metal backing that helps dissipate heat and provide durability when installing the lights.
Rigid LED arrays come in various lengths, from 1 inch to 50 inches or more. They are generally used in applications where UV curing LEDs are needed, such as circuit board curing.
Flexible LED strip arrays
Flexible LED strips are fully flexible and made from a soft, flexible PCB. The LEDs are usually encapsulated with a silicone coating that protects the components from damage and provides durability.
These arrays are ideal for projects requiring bending and curving around corners and are widely used in architectural lighting and decorative purposes.
High-power LED arrays
High-power LED arrays are designed with multiple chips on a single PCB. They provide a higher output, intensity, and power consumption. These arrays are commonly used in industrial curing applications like resin curing.
Low-power LED arrays
Low-power LED strips use one chip per LED. They consume less power and have a lower output. These strips are mainly used for small-scale curing applications, such as nail curing lamps.
Below are some of the features of a 365nm UV LED array;
Enhanced Curing Speed
The 365nm UV LED light emits low wavelengths that increase the curing speed of UV adhesives, inks, and coatings. The low wavelength leads to a faster cross-linking reaction of UV-sensitive materials, thus improving the overall curing process.
High Energy Efficiency
The LED array is energy efficient, consuming less power and leading to low operational costs. Also, it has a longer lifespan compared to other curing lamps. This reduces the cost of replacement and promotes economic efficiency.
Uniform Light Output
The array provides a consistent and uniform light output across the curing surface. This ensures even curing, leading to high-quality finishes and reduced defects.
Compact Design
The 365nm UV LED array is designed to be compact. This makes it easy to integrate into different curing systems. The compact design also saves space and enhances portability.
Low Heat Emission
The LED array emits minimal heat compared to traditional UV lamps. Low heat emission protects heat-sensitive substrates from damage. It also improves the overall efficiency of the curing process.
Customizability
The UV LED array supports multiple configurations. It allows manufacturers to customize the curing solutions depending on their needs. This improves the flexibility and versatility of the curing process.
Improved Safety
The LED array is safer when handling it. It does not emit Ozone or low-level UV radiation, thus posing minimal risks to the users and the environment.
Wide Compatibility
The LED array is compatible with various UV adhesives, inks, and coatings. These include; pressure-sensitive adhesives, coatings for electronics, and screen printing inks. Compatibility improves the array's efficiency and versatility in different industrial applications.
LEDs with a wavelength of 365nm are used in many different industries for curing, which involves hardening materials by using light. Some of the common applications include:
Understanding the Curing Process
The kind of LED arrays that will be purchased depends on how the curing will be done. Find out if the users want to cure with UV lamps or LEDs. UV LEDs like the 365nm LED arrays cure without producing heat. They are good for curing sensitive materials. But the users have to ensure that the right LED is used for the material they want to cure. UV lamps produce a broad spectrum light. They need to be replaced regularly. But they can be used to cure a wide range of materials.
Determining the Required Output
The customers' curing needs will determine the output that will be needed. If a fast curing time is wanted, then an LED with a higher output should be considered. The output is measured in milliwatts per square centimeter (mW/cm2). A higher value means a stronger light. But stronger lights can also cause more heat. So, balance is key.
Considering the Design and Form Factor
The design of the LED array should be compatible with the customer's curing setup. Take into account the space that will be available. Also, think about the setup's mobility if it needs to be moved around.
Evaluating the Cooling System
LEDs produce heat when they work. The heat has to be managed so it doesn't affect the performance of the LED. Look for LEDs that come with a cooling system. The system can be air-cooled or water-cooled. Air-cooled systems are more popular. But water-cooled systems are better at reducing heat.
Assessing the Durability and Reliability
The LED arrays should be durable and reliable. This ensures they perform well over their whole lifespan. Look for products that come with a warranty. Also, read reviews to see what the previous customers' experiences were like.
Budget Considerations
LED arrays come at different prices. Before purchasing, make a budget. Consider the money that is available and the costs that will be incurred. Spending a little extra money on a quality product is better than having to settle for a cheap one that won't last.
Q: What are the safety precautions when using LED arrays?
A: The arrays produce UV rays that can harm unprotected skin and eyes. Users should wear appropriate PPE like goggles and gloves. They should also use LED curing in well-ventilated areas.
Q: What is the lifespan of a LED array?
A: Lifespan varies depending on the brand and model. Generally, they have a lifespan of about 20000 to 50000 hours.
Q: How does the curing process work?
A: The curing process works by exposing a photosensitive resin to UV light. The resin hardens and cures, forming a solid structure. The LED array has different lights that produce varying wavelengths. When the resin is exposed to the light, it triggers a chemical reaction that cures the resin.
Q: What are the safety precautions when using LED arrays?
A: The arrays produce UV rays that can harm unprotected skin and eyes. Users should wear appropriate PPE like goggles and gloves. They should also use LED curing in well-ventilated areas.
Q: What is the lifespan of a LED array?
A: Lifespan varies depending on the brand and model. Generally, they have a lifespan of about 20000 to 50000 hours.
Q: How does the curing process work?
A: The curing process works by exposing a photosensitive resin to UV light. The LED array has different lights that produce varying wavelengths. When the resin is exposed to the light, it triggers a chemical reaction that cures the resin.
