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In the printing process, special light sources can be used for UV light curing of coatings on printing surfaces, color printing, paper packaging, decorative materials, printed tin cans, etc .; also used for non-silver salt negative film, diazonium salt film, film, resin plate, PS Exposure, exposure, etc. There are many special light source products, which are applied to different printing links according to their respective parameter characteristics. Here are three special light sources for plate making, printing, and light curing. Now let's take a look at their style.
One: plate making light source
Common plate-making light sources are mainly divided into five categories. The first category is incandescent lamps, infrared lamps, tungsten halogen lamps; the second category is mercury lamps; the third category is metal halide lamps; the fourth category is xenon lamps; the fifth category is lasers for plate making.
Two: printing light source
Commonly used light sources for printing are: carbon lamp, high-pressure mercury lamp, hernia lamp, fluorescent lamp (cold light lamp), metal halogen lamp.
Three: UV light curing light source
There are two types of light sources for UV hardening materials: electrode type UV light source (ArcUVLamp), electrodeless type UV light source (Electrode-lessUVLamp).
The electrode-type UV light source is made of a quartz tube. After evacuation, a certain amount of mercury is injected or filled with some special materials. One electrode is placed at each end and sealed. The electrodes at the two ends are then insulated with ceramic wires or directly connected with metal connectors. The power supply is connected.
The electrodeless UV light source is made of a quartz tube, after evacuating, injecting a certain amount of mercury or filling some special materials and sealing. There are no electrodes in the lamp. UV light is generated by the microwave excitation of mercury or special materials in the lamp tube.
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