â‘ Because violet light is used as the input light of the laser, and the wavelength of the violet light is short, only about 405nm, a smaller mirror surface can be used to reflect the laser light. The smaller the volume of the laser head means the higher the rotation speed. Therefore, the plate making speed is faster and the volume is smaller.
â‘¡Purple laser was originally developed for civilian products, so the market is very large and the price is very low.
③ If the spectrum is shorter, the laser spot is smaller and the dots scanned on the plate are finer. The innate characteristic of the 405nm violet laser is that the spot size can be controlled to 1μm. The physical characteristics of the purple laser can well guarantee the imaging quality of the purple laser CTP equipment. Together with the high-precision inner drum structure and the photopolymerized purple laser CTP plate, users can calmly deal with 300-line AM screening and 20μm FM screening The precision requirements of plate-making meet the printing enterprise's thirst for plate-making quality improvement.
â‘£The actual plate-making speed of the equipment in production is another major advantage of CTP. Violet laser light source is a laser with 405nm spectrum. In terms of physical properties of light, the shorter the characteristic spectrum of light, the greater its energy. Therefore, compared with other commonly used CTP light sources, purple light source has a higher energy than green light (532nm), red light (830nm, 1064nm), etc. Imaging speed.
⑤ Due to the use of photosensitive material corresponding to the purple light source, it can be used under a bright safety light, and it is very convenient to operate near the bright room.
â‘¥Purple laser diode is small in size and high in modularity, easy to repair and replace.
⑦Purple laser CTP laser is not bright when it is not working (including turning on but not exposed), and its own structural characteristics make its service life longer. Many plate-making machine manufacturers believe that their life is longer than 10 years.
⑧ Stable quality. The performance of the inner drum model has a lot of room for improvement.
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