What is the role of screen printing ink squeegees? There are several categories?

Screen printing machine generally has two screen printing squeegee, a squeegee scraper is a silk screen squeegees, and the other squeegee to send ink squeegee. The squeegee scraper and the ink squeegee alternately reciprocate when working in the printing machine. When printing, the squeegee scraper squeezes the ink for printing. When the squeegee scraper lifts up after the return stroke is separated from the screen printing plate, Ink squeegee to start work, squeegee and screen printing plate contact, the screen printing ink back, scratch scraper and ink squeegee work program is: scraper squeegee printing ink from the screen printing plate (End) to the other end (end), in order to make squeegee scraper scraping again enough silk screen printing ink, ink scraper must scratch the ink back to the initial position of the ink.

Therefore, the screen printing machine in addition to squeegee scraper must also be equipped with a return ink squeegee scraper, scraping the end of the screen printing ink scraping back. Ink delivery scraper in addition to send ink, but also play with the screen printing ink block the purpose of the graphic part of the mesh in order to avoid drying the ink within the mesh, which affects the next (Zhang) printing. Ink squeegee for the most aluminum products or metal products. Manual scraping, using only a squeegee scraper, printing and screen printing ink return is to use this squeegee.

What are the common specifications squeegee?

Screen printing squeegee scraper specifications generally refers to the market for product specifications. Use to determine the squeegee length according to the use requirements. There are two types of squeegees marketed, one is a squeegee that has a handle or clamp installed and can be used directly for printing by selecting the proper length for use. The other is squeegee rubber strips, the purchase of rubber strips but also to install the handle or fixture before use.

What are the main materials used squeegee?

As the squeegee in contact with a variety of printing ink and solvents, and requires high wear resistance, a certain degree of hardness. In order to meet the requirements of screen printing, the material used for making the wiper is generally natural rubber and synthetic rubber. Scratches used in the printing and dyeing industry are mostly made of natural rubber. The squeegee on the screen printing machine is mostly made of silicone rubber. The manual printing uses more scraps made of natural rubber, synthetic rubber and urethane rubber.

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