The Classifications of Common T-Shirt Printing Machines

There are three common types of textile printing on the market, screen printing machine, (roller type) thermal transfer printing machine, (flat type) thermal transfer printing machine. Today we will introduce them to you one by one, keep reading!

Screen printing machine

What is a screen printing machine?

Screen prints are made of fine mesh nylon, polyester or wire fabrics stretched over a wooden or metal frame.

Principle: The screen fabric should be coated with a layer of opaque non-porous film, leaving a screen with fine meshes. The part to be printed is first coated with a layer of photosensitive film, and then the pattern part is removed by photosensitive method. The pattern appears in the film.

Operation: Place a screen on the fabric to be printed for printing. Pour the printing paste into the printing frame and force it through the mesh of the screen with a scraper (a tool similar to a wiper on a car windshield). Each color in the printed pattern requires a separate screen to print different colors separately.

Heat transfer printing

What is a thermal transfer printing machine?

A thermal transfer printing machine is a new printing and dyeing process that has gradually emerged in the world in recent years.

Principle: First, use advanced printing technology to print special printing and dyeing (water-based or oil-based), and print all required patterns on special paper to make transfer printing paper with various fancy styles, and then on the transfer printing machine, After the side printed with the pattern on the transfer printing paper is closely attached to the printed fabric, through the action of heat and pressure, the dye of the decal paper is used to produce sublimation, and then transferred to the printed fabric to form the desired pattern on the printed fabric. Various patterns.

Operation: When the fabric is printed, go through the heat transfer printing machine to make the transfer paper and the unprinted face to face together, and pass the machine under the condition of about 210℃ (400T), at such a high temperature, the dye on the transfer paper sublimates And transfer to the fabric, complete the printing process, no further processing is required.

The process is relatively simple and does not require the expertise required in production like roller or rotary screen printing. Disperse dyes are the only dyes that can be sublimated, and in a sense, are the only dyes that can be used for thermal transfer printing, so this process can only be used on fabrics composed of fibers that have an affinity for such dyes, including acetate fibers, acrylics Acrylic fiber, polyamide fiber (nylon) and polyester fiber.

Drum type heat transfer printing machine

The difference between the roller type and the flat type heat transfer printing machine is that the flat type heat transfer printing machine has a small printing area, and the speed is slow and requires manual operation.

Conclusion

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