What Is A Screen Printing Machine? The Screen Printing Machine Ring Is Not Environmentally Friendly?

The full name of the screen printing machine is the "Screen Printer Machine", which is a device that prints solder paste or patch glue onto the PCB pads through the screen. It can be divided into vertical screen printing machine, inclined arm screen printing machine, rotary screen printing machine, four-column screen printing machine and automatic screen printing machine. Mainly used in the electronic processing industry, the silk screen logo of printed circuit boards, the logo of the instrument shell panel, the solder paste printing in the process of circuit board processing, etc. Screen printing is to stretch silk fabric, synthetic fiber fabric or metal mesh on the screen frame, and use the method of hand engraving paint film or photochemical plate making to make the screen printing plate. Modern screen printing technology uses photosensitive materials to make a screen printing plate (make the screen holes of the graphic part of the screen printing plate through holes, and the screen holes of the non-graphic part are blocked. live). During printing, the ink is transferred to the substrate through the mesh of the graphic part through the squeeze of the squeegee, forming the same graphic and text as the original. The screen printing equipment is simple, convenient to operate, simple in printing and plate making, low in cost, and strong in adaptability. Screen printing has a wide range of common printed products: color oil paintings, posters, business cards, binding covers, commodity signs, and printed and dyed textiles. In terms of environmental protection, screen printing is a small pollution process. First of all, the plate-making process produces development Liquid, the ink used produces an ink barrel, and cleaning waste water or waste rags are produced during cleaning. Therefore, it is recommended that customers choose environmentally friendly inks for the convenience of ink selection.