How to change the squeegee blade of the coater?

Scraper for cleaning waste: The scraper blade is made of steel, and the position of the knife edge and the coating roller should be adjusted to prevent damage to the plating. Comma roller, servo motor tool adjustment, roller bearing is the lowest position, comma roller and coating roller are padded with an isolation object to avoid touching and loosening all fixed parts, manual tool adjustment, to prevent the rolling surface from contacting and then dismantling.