UV line dedicated UV curing lamp and supporting electrical

With the rapid development of industrial economy, the application of UV lamps are increasingly being used as the main parts of the printing industry much attention. Everyone in the use of UV light process, have encountered any problems or things that can not be solved !! Feel free to discuss a power density and optical power 1, power density UV light emitting length (the distance between two electrodes) 1cm power required, with W / cm expressed, for example: long distance for the light-emitting 70cm, if required electricity 5.6KW, 5600W divided by 70cm of 80W / cm. 2, light energy: with MJ / cm2 said required energy meter to measure. Now almost all UV inks and coatings manufacturers in the information required are marked 80W / cm a few pieces of soft lights, irradiation distance, but it marked both inaccurate, it is not critical. Because 3KW, 5KW, 8KW of UV light can be reached 80W / cm but different power UV lamp, although the same power density, but the light energy force, and therefore should say how much light energy force is accurate. In general, the curing conditions should be satisfied (800-1200) MJ / cm2. Also with the same power UV lamp is equipped with a reflector, a light source different from the printing object distance (optimum distance of 15-20cm), light energy is also generated a lot of difference, and the selection of the power of the UV lamp, then To be determined according to need UV machine width and products. Second, the cooling UV lamp is usually forced air cooling, this cooling method determines the size of the wind must be adequate. Mistakes here is that the temperature as low as possible, in fact, is wrong. UV lamp surface temperature of not less than 170 ℃, the UV energy decline, manifested phenomenon is UV light from white to blue, ammeter display current increases, the time is too long because it will make the transformer or capacitor current overload and burned. If the temperature of the UV lamp is too high, shortening the life of UV lamp, showing the phenomenon: lamp swelling deformation, appear white mist, etc., but also due to high temperature substrates directly affected, and even the cast of reflection Reflective aluminum melting deformation. (Reflective aluminum melting point of 500 ℃) In short, the size of the wind turbine is composed of UV machine UV light box size and power, the number to decide. Air flow must be controlled at a surface temperature of the lamp can keep the 200 ℃ is appropriate, and do not use strong wind blowing directly hit the tube surface