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UV-LED surface light source compared to conventional curing system
一: the difference between UV-LED surface light source and traditional high-pressure mercury lamp curing equipment
The UV light produced by the traditional curing machine looks bright and has a high heat. In fact, its spectrum is very wide. It is only a part of the energy in the UV spectrum of effective curing. A considerable part is in the visible light range ( The stray light) and heat generation are severely damaged to the operator's eyes and are prone to thermal deformation of the machined workpiece.
The UV-LED surface light source emits high-purity 365nm monochromatic ultraviolet light, which is a cold light source; the workpiece temperature rises only about 3 degrees, the workpiece does not deform, and its energy is highly concentrated in an ultraviolet spectrum segment with effective curing effect. The actual use effect and the high-pressure mercury lamp with a light intensity of 1000-2000mw are similar in curing effect, the uniformity of irradiation is good, the irradiation intensity of the edge and the center does not change by more than 3%, and the consistency is excellent.
二: UV LED surface light source significantly reduces production costs
Due to the LED light-emitting method, the life span is over 20,000 hours (continuous ignition life and the service life is not affected by the number of opening and closing times). It adopts energy-saving design and only lights up when it needs to be illuminated. It instantly lights up and instantly reaches 100% power UV. Output, maximum illumination intensity up to 2000mW/cm2, low power consumption, power: about 30W.
The LED surface light source is small and lightweight, and can be easily integrated into an automated assembly process or used as a complete desktop system. The LED illumination head is controlled by computer, and can be manually or automatically controlled according to actual needs. The light is set by itself, and the time required for illumination (accurate to 0.01S) further supports high-precision bonding requirements and reduces the time error of human operation. LED curing equipment generates almost no heat, is not brittle, contains no mercury, and has low maintenance costs.
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