The gravure printing process design comes from production, and the designed process plan is used to guide production, so this article lists the two major factors related to the process design plan and the quality of the gravure printing product is restricted by all factors involved in the replication process Six basic aspects. The gravure printing process design starts from the original, including the selection of raw materials and equipment, printing suitability processing, pre-press processing, printing and post-press processing process flow and process route selection, process specification formulation and quality inspection of semi-finished products and finished products, etc. , The scope is wide, and the theory and professionalism are very strong. Therefore, we must understand its related factors. Human factor The production of gravure printing products is completed by people who have a certain level of printing technology and practical operation experience. It can be said that human factors play a decisive role in the production of printed products. In order to obtain high-quality printed products to meet the needs of society, we must constantly improve the technical level of designers and operators. The level of the designer's technical level determines the advancement, rationality, practicability and economy of the process design plan; the technical level of the operator understands and implements the process design plan to ensure the quality of the printed matter and extend the machine equipment The service life has a direct impact. Physical factor There are many factors influencing the design of gravure printing process, which can be summarized as follows: ①The form and quality of the original. ②The specifications of the printed matter. Use and color number. ③The degree of automation and precision of printing equipment. ④The specifications, performance and quality of printed materials. ⑤ Temperature, humidity, vibration, dust, etc. in the printing environment. In addition, the quality of gravure printing products is restricted by all factors involved in the copying process, mainly in the following six basic aspects: ①Tone gradation, color tone and sharpness quality of color original image. ②Accuracy of copy adjustment data such as picture tone level, color and sharpness emphasis. ③ Carbon paper drying, gravure corrosion, electronic engraving and other processes are extremely stable in the transmission and conversion of network dots. ④Printed (or proofed) ink layer density, dot expansion value or printed relative contrast value (K value) data and its control stability, overprint efficiency of each color ink layer, tone evolution, color balance and gray balance reproduction ⑤The quality suitability of printing paper and job suitability, the printing suitability of ink. ⑥ The coordination of equipment, equipment and material performance of each operation process and environmental conditions. These can be roughly integrated into the three major aspects of the printing adaptability of equipment, equipment and materials, the quality of process operations, and the objects of replication and their adjustment. Standardized dataization should start from these aspects in order to obtain the best coordination and cooperation, and gradually form a data specification suitable for repeated production.
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