What factors affect the printing precision of screen printing, and how to control them?

Key factors affecting screen printing precision include screen quality, ink properties, printing parameters and equipment stability. To control these factors, first, high-precision screens with uniform mesh size and accurate tension should be used, and regular inspection and replacement of worn screens are necessary. Second, the ink's viscosity and thixotropy should be adjusted appropriately to ensure smooth printing and uniform ink layer. Third, printing parameters such as scraper pressure, speed and angle need to be optimized—excessive pressure may cause ink bleeding, while too high speed may lead to incomplete ink transfer. Finally, high-stability printing equipment with precise positioning systems should be adopted to reduce vibration and ensure consistent printing quality.