Plastic net tells the production process of octagonal sealing bags

The octagonal sealing bag is eight edge sealing, and the bottom four sides are two sides on each side. This bag type is a new bag type which has risen in recent years. The bottom of the octagonal bag is a traditional standing bag, stand-up bag or standing bag. It’s totally different. The difference is that the bottom of the flat bottom bag is very flat and without any heat sealing. The text or pattern is displayed flatly; so that the product manufacturer or designer has enough space to play and describe the product. A good design imagination space can perfectly reflect the designer's design concept of product packaging. The octagonal sealing flat bottom bag, also known as the octagonal sealing zipper bag and the octagonal sealing erect bag, is the new darling of the food packaging bag industry. The following Xi'an Jiuzhi Industry and Trade Xiaobian introduces the production process of the next eight-side sealing bag:
Octagonal bag
Plastic net tells the production process of octagonal sealing bags
1. Into the film for printing (one plate is rolled for each color when printing, the engraving of the plate is concave plate engraving), the ink flows continuously during printing, because the ink will condense, and the ink is printed and filmed. A scraper is set in the printing, and the scraper scrapes off the ink where the plate is rolled, so that the recessed plate can be printed. Strip-like ink contamination can occur if the blade is dusty. The phenomenon of dot-like ink contamination is caused by dot-like ink contamination caused by ink splashing onto the packaging film during rolling printing.
2. After the film is printed, the compounding is started. For the film produced by our company, the dry-wet compounding method is generally used. After the color-printed film is coated with glue, it is baked into a baking point for 2 minutes and then compounded with PE. The tension is 5.6kg. The bags used by our company are two-layer composite.
3. Curing: The film after curing the glue is cured. The curing effect is mainly to firmly adhere the glue, and the curing is generally cured at 50 ° C for 24 hours. In fact, the composite film is stored in a 50 ° C environment for 24 hours. If the time and temperature are not satisfactory, the film composite will not be tight.
4. After curing the film, the product is inspected. The inspection product is to input the printed matter of the standard sample into the computer, and then pass the cured film through a white screen controlled by the computer, and the defective product will directly paste a black film on the film. symbols of.
5. The film after inspection is cut.
6. The film after slitting is bagged, and the bag is automatically bagged by a machine directly, and the edge is automatically sealed during the bag making process, and compacted.

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