The role of printing powder in printing is only to prevent the printing ink that has just been printed on the paper from contacting the paper and causing stickiness. The effect is small but indispensable, except for printing equipment with a drying system. Most of the paper drying system is high-level paper collection on the offset press, and its price is very expensive. Few people in domestic printing companies will purchase this system when ordering printing machines. Therefore, most printing companies can not prevent the paper and printing ink from sticking without using powder spraying. However, dusting has gradually become an obstacle to improving the quality of modern printing.
Today, with the continuous development of printing technology, printing quality is becoming the basis for the survival and development of printing companies. Why is powder spraying an obstacle to improving the quality of modern printing? First, powder spraying destroys the printing environment, so that the operator can work in the environment of a lot of flying dust for a long time. Most printing operators inevitably have lung and tracheal diseases of one kind or another. Following the law exhibition in the printing industry, many companies have adopted imported high-speed printing equipment, the value of these equipment is also high. The owners of many printing companies joked that the printing company is working for printing equipment manufacturers, and in a sense is also the actual situation. Therefore, how to protect your own printing equipment and give full play to the efficiency of these printing equipment is also one of the important contents of modern printing enterprise management. It is difficult to imagine that printing equipment can continue to perform well under long-term large dust. In order to protect the parts of the printing press, the number of times to regularly clean the printing equipment is greatly increased, so that the maintenance time and maintenance costs of the printing equipment are also greatly increased.
Secondly, there are few enterprises in commercial printing with single-sheet 8-color machines and commercial rotary machines. Most enterprises still have the problem of four plus four secondary printing. After spraying, dust particles stick to the paper, which not only affects the quality of the printing during the secondary printing, but also particles from the paper to the ink roller system , Not only affects the ink transmission but also greatly reduces the service life of the ink roller, but also seriously reduces the service life of the printing blanket. The cost of production increased virtually.
In the packaging industry, post-processing is becoming more and more important, but nowadays, because of the powder spraying in the printing process, the powder particles stick to the paper, which greatly increases the waste rate of glue, lamination, etc. From the consideration of product quality and production cost, it has reached a problem that cannot be ignored. At the same time, the paper in the packaging industry is heavier and the amount of ink is larger, so the particle size of the powder is also larger than that in commercial printing. In this environment, the equipment often has mechanical problems in the printing and delivery and transmission parts, and the maintenance costs and downtime of the printing machine Time is also a headache for business.
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