In UVLED curing technology, UVLED curing machine, as a modern curing device, has many significant advantages over traditional UV mercury lamps, including fast curing speed, convenient operation, environmental protection and no mercury. However, despite the many advantages of UVLED technology, the effect of deep curing UV adhesive is still affected by a number of factors. This article will analyze these influencing factors in detail to help optimize the use of [UVLED curing machine].
1.UVLED light curing energy
The energy of UVLED is the core factor affecting the deep curing effect. The UVLED’s light source provides the UV radiation needed to trigger the photoinitiator to generate free radicals or ions, which in turn trigger chemical reactions such as polymerization, grafting and crosslinking to achieve curing. However, the supply of UVLED energy must be precisely controlled:
Too high energy: If the UVLED energy is too high, it may lead to energy waste and negative effects during the curing process, such as implosion or incomplete curing. This situation not only wastes energy, but may also affect the quality of the final product.
Insufficient energy: If the UVLED has insufficient energy, it may not be able to trigger enough chemical reactions, resulting in incomplete curing. Therefore, the UVLED energy must be reasonably adjusted according to the specific needs of UV coatings and photoinitiators.
2. Thickness of UV coating
The thickness of UV coating has an important effect on the curing effect. When the coating is too thick, the curing time will be prolonged correspondingly under the same power light source, and the surface temperature of the substrate may be too high, resulting in substrate deformation. Conversely, too thin a coating may result in poor surface gloss. Therefore, the coating thickness must be adjusted according to the actual conditions of use (such as hue, temperature, curing speed and substrate surface) to obtain the best curing effect.
3.UV curing distance
The distance between the UVLED light source and the curing substrate is another key factor affecting the curing effect. Generally, the curing distance should be kept in the range of 10-15mm, and the specific distance should be adjusted according to the substrate type, coating thickness and power of the light source. Too much distance may result in uneven curing, while too much distance may result in local overheating.
4. Curing speed
The adjustment of the curing speed is also crucial to the ultimate effect. Different substrates and coatings require different curing rates. Too fast curing speed may cause the surface to cure but the interior is not fully cured, resulting in viscosity problems; Too slow curing speed may lead to aging of the substrate surface. Proper adjustment of curing speed is the key to ensure complete curing.
5. Work environment
The influence of the working environment on the effect of UV curing cannot be ignored. The viscosity of UV coatings is affected by changes in room temperature, so the ambient temperature should be maintained between 15-25 ° C. During the curing process, the UV coating is not exposed to direct sunlight to prevent temperature fluctuations from interfering with the curing effect.
Auvcure is a professional manufacturer of all kinds of UVLED point light source, [UVLED line light source], UVLED surface light source and [UV curing machine], and can provide solutions and customization according to the actual needs of customers. The company has Japanese production technology, products are exported to South Korea, Japan, the United States, Brazil and other places. Welcome friends from all walks of life exchange guidance. If you want to know more about UV light fixed machine information, welcome to online consultation customer service or call the company’s service hotline for consultation, we will be happy to provide you with quality service! Some of the information/pictures in this article are from the Internet, only for the purpose of sharing new information in the industry, not for commercial use. If any rights are involved, please inform us immediately, and we will delete it immediately. Thank you.
