Wall advertising platesetter

Lithography has its own unique personality in plate making and printing, and it is also relatively simple in work, so the cost is low. It is the most widely used in today's printing. The products printed in this way have a smooth surface and a good touch. Just like the RMB face, this article will introduce you to the wall advertising platesetter.


In general, the reflectivity provided by the plate supplier can only be used as a reference. We need to use the Focus Cal reflect to automatically measure the left, middle and right positions of the plate. The average value obtained is the reflectivity of the plate. This value is not standard, and the reflectivity of different plates is not the same, so it is very important to adjust the reflectivity when replacing the plate with a new plate.


The surface reflectance is used for the machine to detect the edge. Different plates usually have different surface reflectance. If the reflectance is not set correctly, the machine may report an error without being published, so that normal plate making cannot be performed.


CTP technology is the continuation and development of the laser photo-alignment process and the PS plate process. The biggest difference between the sensitization mechanism of the sensitization and the PS plate is that the PS plate exposure uses an ultraviolet spot source. In the printing process, in addition to direct illumination, there are scattered and refracted light, and the loss of light energy is relatively large. The laser light source of the laser plate making system is mostly monochromatic light. Generally, one wavelength or a range of wavelength is selected. This is the laser. The advanced position of the plate making machine.


CTP plate making technology has thermal imaging technology and photosensitive imaging technology. At present, the most widely used and stable performance is photosensitive imaging technology. VLF large-format CTP plate-making machine modular structure design, convenient for future technical upgrades, stable, easy to maintain, imaging High quality and other advantages.

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