What printing methods and printing steps are used for plastic woven bags?

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What printing methods and printing steps are used for plastic woven bags?

Plastic woven bags are a large bag that we often use to contain goods, commonly rice bags, feed bags, cement bags and so on. In order to facilitate the identification of what goods are contained inside the plastic woven bags, are added to the surface of the plastic woven bags text, pictures, etc.. Plastic woven bags will be printed on top of the text, to facilitate the classification and identification of people. For for the printing of plastic woven bags can generally be divided into two kinds.

The first method: using a woven bag printing machine

We all know that after the plastic woven bag is formed, there is a layer of lamination on the surface of the plastic woven bag. The premise of using a woven bag printing machine is that the plastic woven bag is not yet covered with film, so that the use of woven bag printing machine printing will be very fast.

So how to use the woven bag printing machine to achieve the entire printing process of non-woven bag manufacturers?

The first step is to make the text and pictures that need to be printed on top of the plastic woven bags into a printing plate, which will be mounted on top of the woven bag printing machine.
The second step is to add ink to the top of the woven bag printing machine so that it can evenly cover the printing plate with text and pictures.
The third step is to print the text and pictures on the printing plate onto the plastic woven bag through the woven bag printing machine.

The use of woven bag printing machine is a circular process, but also a machine labour process, a large number of manual labour to reduce the workload, work efficiency greatly improved.

The second method: using screen printing

Screen printing is now a very high use of printing methods, using perforated printing, by using the pressure difference will be printed on top of the plastic woven bag ink.

So what are the specific steps in using screen printing?

The first step is to dry a photopolymerised layout, which is then cut to a set size. And by using something like a wooden board or aluminium sheet as a skeleton, a live-face screen plate is thus obtained.
The second step is to make the appropriate ink and apply the selected ink evenly to the screen with a squeegee, a step called squeegee printing.
The third step is to place the screen plate, which is evenly coated with ink, firmly on top of the plastic woven bag to complete the printing.

For larger printing areas, the ink should be poured directly onto the screen, skipping the scraping step. It should also be noted that the ink should not be too thin or too dry, otherwise it will lead to printing failure.

Regardless of which method is used to complete the printing of the plastic woven bags one thing should be noted, when initially constructing the template must be correct and careful to produce a correct template, otherwise it will lead to printing errors. This is all about mass printing and as long as the template is wrong, the next print out will also present the wrong information on the top of the plastic woven bag.