Patent ID: 7946486
Filing Date: 2011-05-24
Classification: F16C,G05B,Y02P

Abstract:
1. A quality management method of managing a roller bearing for aerospace equipment, said bearing having an inner ring, an outer ring, and a rolling element arranged between said inner and outer rings, comprising: a database storing specific information of any of information about a customer including various kinds of history management after a shipment and after a delivery, said information about a request from a customer, and said information about a manufacturer, and storing predetermined processing condition information and material information about material purchase, a forging process, a heat treatment process, a grinding process, and a surface treatment process of said inner ring, said outer ring, and said rolling element so as to be related to identification information, said database being connected to various information processing devices located in a manufacturing factory, storage, and sales offices via a manufacturing side network and to information processing devices and portable terminals located in a customer company via a customer side network: said method comprising: a process for attaching an IC tag to either one of said inner ring and said outer ring of said roller bearing at the time of the manufacturing or at the time of completion of the manufacturing of said roller bearing; a process for recording specific information including any of information about a customer, information about a request from the customer, and information about a manufacturer, and recording any of processing condition information and material information on at least one process of the forging process, the heat treatment process, the grinding process and the surface treatment process of said inner ring, said outer ring, and said rolling element, said specific information being recorded individually for said inner ring, said outer ring, and said rolling element on the IC tag attached to either one of said inner ring or said outer ring of said roller bearing; and an information reading and using process for reading the recorded information on said IC tag and confirming any of said specific information, said processing condition information, and material information, from the read information at any time after shipment at both said manufacturing side and said customer company.