Color printing packaging bag is convenient for automatic production. A complete set of automatic production line for corrugated boxes has been produced, which can produce corrugated boxes in large quantities; The cost of packaging operation is low. It is easy to complete automatic packaging of goods by packing goods in corrugated boxes, which reduces the amount of packaging operations and packaging costs. It can pack many kinds of goods. Corrugated box has a large scale of packaging items, but if it is combined with various covers and moisture-proof materials, it can greatly expand the application scale. For example, moisture-proof corrugated box can package fruits and vegetables; Packable hygroscopic articles covered with plastic film; Using plastic film liner, a sealed package can be formed in the box to package liquid, semi liquid items, etc; Low metal consumption. The molding of corrugated boxes only requires a small amount of box nails, which is only 5% of that of wooden boxes. Good printing performance. Corrugated cardboard has good ink absorption ability, which is easy to print and promote products; Retrievable reuse. Corrugated cartons can be reused for many times, which reduces the cost of packaging and does not pollute the environment.

Paper packaging box is one of the widely used color printing packaging methods because of its extensive history, low cost, easy handling, easy storage and recovery and other advantages. With the progress of production technology and technical level, paper packaging products have been able to replace wood packaging, plastic packaging, glass packaging, aluminum packaging, steel packaging, iron packaging and other packaging methods, and are used more and more widely. The characteristics of paper packaging, such as renewable use and green environmental protection, also fit the development direction of circular economy. The paper printing and packaging profession, as a supporting profession for a variety of production industries, usually changes with the layout of low-grade occupations.

In the production of color printing packaging boxes, we need to know the true height of the indentation steel wire, not the symbol height. The height of the indentation steel wire is calculated according to the height of the blade and the thickness of the die-cutting data. The die-cutting materials can be divided into cardboard, corrugated paper, plastic and other materials. Their thickness is different, so the height of indentation steel wire can be distinguished very carefully. The reason is that the actual height of many indentation steel wires is far from the symbol height. Do not open the protective cover during operation to prevent dust from falling on the axle or workpiece. The normal operation scale in which the weight of the printed object does not exceed 25kg and the height does not exceed 20cm. Regularly clean the shell of the digital color printing machine and keep the newspaper equipment clean. Clean the grating belt or coding disc with alcohol regularly. Check whether the ink cart moves smoothly, and add lubricating grease as appropriate to ensure smooth operation.

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