Daily plastic bag production process
Plastic bags are the most commonly used in daily life, shopping on the streets, grocery shopping, clothing packaging, garbage and so the use of plastic bags can be described as quite a wide range, but we used to think about how the plastic bag is made ? What is plastic bag printing? I hope we cherish the environment, try to choose high-quality plastic bags.
1, the formation of plastic bags made of plastic film
As we all know, plastic bags are made of plastic film, then how is the formation of plastic film it? This is the first step in the production of plastic bags: blow blow molding is the procurement of raw materials through the blow molding machine plastic blown plastic film.
2, plastic bag printing process
Plastic bags are printed on the premise that the plastic film and version of the place in place. The previous step on the blow molding, the formation of orders specifications of the film, it is necessary to start printing. According to the required printing pattern first plate, the general plate and blow molding is synchronized, that is, after the completion of blow molding, version should also be made, usually plate-making takes about 4 days.
3, plastic bags printed single or double-sided and color distinction. Such as supermarket shopping bags, generally single or double one or two colors the most common, a color corresponding to a version, but not the same double-sided color can be common, this is not enough, for example, the two sides have to produce two colors 4 sections. Plastic bag printing is generally gravure, the use of more than copper, but also offset version.
4, the printing machine assembly of a good plate and roll material, adjust the ink, you can print.
According to the different types of plastic bags, printed plastic film bag method is not the same as the need to fold, the need for composite, the need to cut, the need for drilling, the need to weld the hand …
But to this step, is already the final part of the production of plastic bags, and basically can be formed.
Here to say that the process of plastic bags are independent of the separation, and can not guarantee that the timely convergence, so the general production cycle of plastic bags are about 10 days.