METHOD FOR DESCALING OUTER PERIPHERY OF CYLINDRICAL PART FOR ROLLING STOCK TRUCK AND DESCALING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method and device for automatically descaling the outer periphery of a bearing and automatically removing grease. SOLUTION: Rust present on the outer periphery of a bearing B is descaled by implementing a process wherein a grinder 25 is rotated with the bearing B for rolling stock truck brought into contact with the upper surface of the grinder 25, and the bearing B is rotated together with the grinder 25 by its own weight; and a process wherein a substance adhered on the surface of the bearing B is removed.