Method for recovering screen printing squeegee precision by grinding

After the squeegee wears out, it can be restored to its accuracy by grinding. Grinding methods include manual and mechanical grinding. Grinding should be performed after rough grinding.

Hand-grinding is affixing sandpaper to a straight wooden or glass plate. Hold both ends of the squeegee with both hands, and make the adhesive strip perpendicular to the sandpaper. Push and pull in one direction on the sandpaper. Use a firm and firm force. , moderate speed, remember not to hold sandpaper by hand.

After regular grinding, lightly lightly with fine sandpaper to eliminate uneven edges. When lighting, the sandpaper or scraper will be wet from time to time, which can not only reduce the temperature, but also prevent the occurrence of debris. After grinding or in production, the quality and straightness, sharpness, and notch of the scraper blade are often checked. Visual inspection is not reliable, a simple inspection method is: on a flat glass, evenly coated with a layer of ink, and then scrape the ink with a scraper, according to the scraped scrap, you can determine whether the blade is defective .

Source: China Washing & Dyeing Industry Information Center