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How does screen printing actually work?

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Screen printing, or silk screening, is an old process for printing on almost any material. It is also possible to print in cylinders with the help of new equipment, which is impossible with the traditional screen printing method. The original silk used for a curtain today replace with a nylon material that has a very, very tight mesh. It still has the feel and looks of silk.

The curtain material stretch over a frame, often made of wood

It’s a lot like a certain window in your home, although the curtain mesh is much stiffer, meaning the weaving is much closer together. The emulsion is a photosensitive material that will cover the nylon mesh. When it comes in contact with light, the emulsion hardens and binds to the screen mesh. Nothing happens to the emulsion where the light prevents it from reaching and then it washes off.

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The process involves three basic steps

One is to prepare your artwork, image, or text and turn it into a piece of film. This image is evident with the artwork or text being black. The second is to place this film on top of your screen and expose it to a light source for a predetermined time. Third, you place your screen over the printable material and draw ink on it with a squeegee.

Suppose we want to print the letter “ABC”. We’ll start by making a film that will have three characters, probably right in the center. Three characters in this part of the film will be black and the rest will be transparent. The piece of this film flatten on the screen and a piece of glass plac on top of it to prevent everything from moving. When we release it the clear areas of the film will harden the emulsion and make it stand out on the screen.

After exposure, the screen wash with running water, and the parts of the emulsion that have not been exposed to light will wash. In this context, we will have the letter “ABC” on our screen where the ink will go and print whatever is under it because the unpublished emulsion will wash away.

If we want to print each character in a different color, say red, white, and blue

We will need a separate screen for each of the three characters, but we must have each character in the correct position so that they are not printed on top of each other or out of position. The easiest way to do this with our “ABC” view is to place three separate screens and then block “B” and “C” with paper or a tape and expose only “A”.

We’ll call it our red screen. We will block “A” and “C” from our next screen and call it our white screen. Now we will block “A” and “B” and call it our blue screen. Now we have three separate screens, each in a separate frame and each with part of our “ABC” image. We could also make three separate pieces of film, each with just one character, but it takes extra materials.

When we print this “ABC” image we will print the “A” screen, then the “B” screen, and finally the “C” screen will bring us our three color images. Care should take to register your frame in the exact same place each time so that all text and images on the screen appear in the correct spots of the finished product.

The screen is spread over the material you want to print. Everything must be kept in a safe place so that the frame or material does not move at all

The ink color you want to use appl to the screen above the image. If we print “A”, that screen place on top of the element, and red ink place on the screen. We will then take a low. Drag the red ink over the letter “A” and then back up again to go over it a second time. It will print the letter “A” in red ink on whatever you are printing, a T-shirt, poster, or whatever. Repeat this process with the other two letters and the ink color to finish the product.

Screen printing is one of the best ways to print on cloth and paper. Modern equipment allows you to produce products like T-shirts. A common T-shirt printer will be set up with the stations and multiple people will operate the machine at the same time, each printing in one color. The wholesale screen printing machines will then be indexed or rotated to move the T-shirt to the next position and print that color.

Screen printing

Commercial wholesale screen printing machines involve the rapid production of many alphabets. Although one might notice, even ordinary articles of daily use a print application in one form or another. Screen printing is bold and suitable for detailed graphic design. However, small and vague details can also duplicate. Modern printing technology is a good example of the impact of science on rapid development. Efficiency improvement of various commonly used devices and tools in our lives.

Screen printing a metho that mainly use for printing flat or relatively flat surfaces

The method consists of a fine mesh or screen that stretches securely around a rigid frame. Sections that cannot print block on the screen.  The ink goes through the open space on the screen over the side paper or fabric after which the screen remove. Screens are usually durable and long-lasting and can reuse after cleaning.

If multiple dyes are to use on the same page. Another screen of the same design and a different color of ink should allow drying of the original ink before the process repeat. The framed screen is located on top of the printed item with a doll of thick ink. In the previous method, the ink dries for a long time. However, the article printed in modern times goes through a heat tunnel in a conveyor belt. This method guarantees that the ink dries quickly. Which allows the components to stack or package almost immediately.

Properly dried screen print items are durable even in adverse conditions

If a bold item involves on the print surface, an auxiliary base print usual require. A light base color, especially white use. This method ensures that the continuous colors maintain their vibrancy and are noticeable.

 Screen printing inks bein use for printing on a range of surface materials. Including fabrics, ceramics, metals, wood, paper, glass, and synthetic items. This has led to the use of screen printing in various industries, from fashion garments to finished products and labels.

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May Name is Mahasin Reja, Village: Birkaya, Post: Birkaya, Bagmara, Rajshahi.

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