... roller shaft, making the material scooped up by the shovel blade to grind, after grinding the powder blew to upper part ... product. Equipment advantages: Roller Assembly of the Hyper-pressure V type grinder is composed of roller sleeve, roller shaft, roller shaft ... to the final product fineness, one adopts blade type (80-325 mesh), the other adopts mouse type (200-1250mesh). 3.Air conveying and ...