The booming market has extended the application of cartons to various fields. In addition to the need to produce beautiful pictures, the production of cartons also requires the processing of lining paper, die-cutting, forming, and facial paper. The quality of each process has a direct impact on the quality of the final product. Therefore, each process is critical. At present, paste processing of many cartons in China is still produced by hand. This article will focus on the paste of the world cover paperboard process points and operational precautions.
The equipment needed for the paper equipment and accessories in the coffin is mainly the glue machine and the flattening machine; the required accessories are latex.
Process points
(1) Check the production order and check the quality of the board paper. The standard water content of the boxboard paper is 12%.
(2) For the preparation of adhesive, the quality ratio of each component is: white latex: water = 3:1.
(3) To glue the white paper inside, stack the cardboard onto the platen in front of the gluing machine, and push the paper to the operator on both sides according to the speed of the gluing machine. Pass the linerboard paper, and then glue the coated paper to align the two rules of the linerboard paper. When the two sides meet the paper, they must cooperate with each other. A slight oversight may cause the paper to break or wrinkle.
(4) Flattening, aligning the cardboard paper of Yanhao Lining Paper into the flattener and setting the pressure at 20MPa for 5 minutes.
(5) End of production, self-inspection of quality, inventory of quantities and suspension of production signage, and production of the next process.
(6) Inspection items include: Cleanliness of the paper surface, such as glue overflow, adhesion and cleanliness.
Precautions
(1) Pay attention to the effect of the adhesive ratio on the flatness of the paper surface, and grasp the uniformity when gluing.
(2) Make sure that the paper is flat and in place. Note that the paper cannot exceed the rules of the linerboard.
(3) The formulated adhesive must not be too thin to prevent wrinkling in the paper.
(4) Wash your hands frequently to ensure that the paper surface is clean.
Information Processing: Carton Street
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