Demand for high-grade carton printers

 

At present, due to the carton machinery market products tend to be multi-variety, small batch production, so the change time of production efficiency is more and more important. Ordinary printing presses adopt track structure. When changing plate and erasing plate, each color machine needs to be separated and merged after changing plate, which wastes a lot of time invisibly. The tilt adjustment of printing plate is also very important. The printing of high-grade cartons requires a high level of printing plate. It is impossible to install each color printing plate to ensure the center and level. The problem of center can be adjusted by adjusting the axial direction of the printing roll, but the horizontal direction of the general machine can not be adjusted. So when choosing the printing press, it is better to choose the carton equipment with the tilt adjustment system of the printing plate. Generally speaking, the production efficiency is mainly restricted by the problems of preparation, printing speed and plate changing time. Preliminary preparation includes plate adjustment, ink preparation, pressure adjustment, set tone adjustment, etc. Because it is the printing of high-grade cartons, so the requirements of each link are relatively high, relatively time-consuming and laborious. Moreover, the speed is determined by the machine itself. Generally, the speed of high-grade carton printing is not as fast as that of ordinary carton printing because of the high accuracy of color matching and the high requirement of color superposition. In addition, the cardboard of high-grade cartons is mostly thin, and the requirement of paper feeder is stricter, so the speed will be limited. In production, the cardboard will be somewhat deformed, we can not require it to be completely flat, so we need the printer to adapt and correct the cardboard as far as possible in the whole process of paper feeding and printing, in order to achieve the best use effect. Nowadays, high-grade printers adopt vacuum adsorption in the feeder part and suction belt conveying structure in the middle of the printer, which greatly reduces the requirement for cardboard and achieves good results. www.chinacartonmachine.com

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