Offset printing installation knowledge collection--installation and debugging
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Machine installation and commissioning
The installation and commissioning of the machine is an important part of ensuring the normal operation of the machine. If there are some errors in the process, it will bring a series of problems to the subsequent operation and use, including the impact on the quality of the print and the accuracy of the machine, so we must do our utmost to eliminate the problems that may occur. stage. There are many factors involved in the installation and commissioning of the machine. These factors are analyzed in detail below.
Selection of printing workshop
The printing environment is one of the eight factors that affect the quality of printed products. The more delicate the printed matter, the higher the environmental requirements. The content of the printing environment mainly includes temperature, humidity and cleanliness. The temperature directly affects the fluidity of the ink. When the temperature is high, the fluidity of the ink is increased, and the paste or the print is faint; if the temperature is low, the ink may not open, resulting in a flower plate. Humidity directly affects the electrostatic attraction of the paper. The higher the humidity, the damp, the smaller the electrostatic attraction; the lower the humidity, the drier, the greater the electrostatic attraction. As the humidity rises, the deformation of the paper increases, so you must take care of this when choosing humidity. Cleanliness directly affects the quality of the print, and the more precise the print, the higher the cleanliness requirements of the print environment. If the cleanliness is too low, the surface of the printing plate, blanket and paper, and even the ink and fountain solution will seep into the impurities, affecting the transfer of the ink. In addition, the printing shop also has requirements for noise. If the noise floor is too strong or the possibility of noise is high, the noise of the machine may exceed the specified noise standard. In addition to these problems, the interaction between units and processes should also be taken into account. A good printing environment should coordinate these factors to their optimum state. Some factors can be solved after the machine is installed. Some factors must be considered when building the workshop.