The production of custom printed umbrellas usually involves digital printing, silk-screen printing, and thermal transfer printing.
In printing, the ink is squeezed by the scraper and transferred to the substrate through the grid of the graphic part to form the same graphic as the original. Some printing equipment is simple, easy to operate, easy to make plates for printing, low cost, and strong adaptability. It can often be used for color oil paintings, posters, business cards, binding covers, commodity logos, and the production of printed and dyed textiles.
There are three commonly used plate-making methods: direct plate-making, indirect plate-making, and direct-mix plate-making.
The method of direct plate making is to first lay the photosensitive film coated with photosensitive material face up on the workbench, then lay the stretched wrist screen frame on the plate base, and then put the photosensitive paste into the screen frame, use Apply pressure with a soft squeegee. After fully drying, peel off the plastic base, and the wrist screen with the photosensitive film can be used for printing. After developing and drying, the screen printing plate can be made.
The technological process includes drawing, degreasing, drying, peeling off the film base, exposing, developing, drying, retouching, and sealing.