How to use scraper printing

at present, the printing production mode of printing factory is mainly manual operation, and its main printing equipment is platen (printing table), screen, scraper and so on. During production, the operator first lays several substrates on the bedplate coated with glue to fix the substrates on the bedplate; The operator holds the screen in one hand to face the substrate and makes the screen close to or close to the substrate, and holds the scraper in the other hand to scrape the ink or paint on the screen on the substrate. In this way, one color can be printed by scraping one by one. When multi-color printing, change the corresponding screen and ink, and repeat the above process to realize the printing of products.