Common Methods of Logo Printing

In the plastics industry, in addition to producing the product itself, we can add the design of logo to the product. In vacuum forming process, we do this in two main ways, respectively silk-screen and embossed logo. 

Apart from this, the logo printing can be done by other two available process and pad printing. Below I will explain these processes and the materials used for the three types of logo printing: screen printing, water transfer printing and pad printing.

– Silk-screen

It consists of four main elements: the printing plate, squeegee, ink and the printing table and the substrate. The pattern of the screen printing plate can pass through the ink, while the non-patterned part of the screen printing plate cannot pass through the ink, thus the logo can be formed. When printing, the ink is poured onto one end of the screen printing plate and a squeegee is used to press the ink onto the plate while moving at a constant speed towards the other end of the screen printing plate. The ink is moved by the squeegee out of the screen’s pattern painting and the final logo will be printed onto the plate.

– Water transfer printing

The water transfer film is first printed on a water-soluble plastic film (PVA film) to form a water transfer film. After laying the film flat on the surface of the water, the PVA is dissolved by spraying an activator to destroy it. The object is then pressed into the water from top to bottom and the activated text is transferred to the surface of the object under water pressure. Finally, washing and drying are carried out. Due to the stretchy nature of the film, the transfer is easily deformed, so the transfer is usually made on wood, marble, animal skin, etc., which does not affect the ornamental appearance. Plastic materials that can be easily water transferred include ABS, PMMA, PET etc.

– Pad printing

The pad printing process is simple, using a steel (or copper, thermoplastic) gravure plate and a curved pad printing head made of silicone rubber, the ink on the gravure plate is dipped into the surface of the pad printing head and then pressed onto the surface of the desired object to print out text, patterns, etc. Pad printing is usually applied to irregular and shaped surfaces, such as instruments, electrical parts, toys and so on.

Hope the above introduction will make you more learn about the logo printing methods we can use.

email: amy@dgdtxs.com.cn or dgdtxs@dgdtxs.com.cn

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