Patent ID: 8728569

Claim:
Method for reconditioning the worn surface of grinding rollers of a high-compression roller mill, wherein a complete roller unit includes the grinding roller mounted on a shaft, bearings provided on both sides of the grinding roller, and associated bearing jewels, and the grinding rollers are provided with wear protection formed by profiled bodies or build-up welding, characterised by the following steps: a. providing a mobile processing station which is arranged in a container and has at least one cutting machine tool and a drive for rotating the grinding roller, b. removing the complete roller unit with the grinding roller that is to be reconditioned from the high-compression roller mill, c. positioning the complete roller unit in front of and outside of the container of the mobile processing station and coupling the drive to the shaft of the grinding roller such that the grinding roller rotates on its own bearings during steps d and e below, d. producing a new cylindrical surface on the grinding roller by means of the cutting machine tool, and e. producing new wear protection on the grinding roller with either new profiled bodies or build-up welding or both.