METHOD OF REFORMING LOWER ROLLER UPPER ROLLER, IDLER WHEEL OR THE LIKE IN CONSTRUCTION MACHINE OR THE LIKE

摘要

PURPOSE: To provide a reforming method in which a conical hole is formed by drilling in a steel material which is then curved in a circular shape and which is then applied on a roller or the like. ;CONSTITUTION: A reformed part such as a roller is composed of a steel material which is bent circularly, and in which a conical hole 1 is then formed by drilling.;COPYRIGHT: (C)1996,JPO