ABRASION QUANTITY MEASURING METHOD, CUTTING QUANTITY MEASURING METHOD, ABRASION QUANTITY MEASURING SENSOR, CUTTING QUANTITY MEASURING SENSOR, ABRASION QUANTITY MEASURING DEVICE CUTTING QUANTITY MEASURING DEVICE, AND DEVICE EQUIPPED WITH BEARING AND ABRASION QUANTITY MEASURING SENSOR

摘要

PROBLEM TO BE SOLVED: To provide a measuring method capable of measuring the abrasion quantity of a bearing simultaneously during operation with high reliability.;SOLUTION: An eddy current is generated by an eddy current sensor 12 to a dummy measuring body 13 comprising an electromagnetic induction body and having the surface area reducing by abrading integrally with a measuring object 11, and the abrasion quantity of the measuring object 11 is measured according to the output change of the eddy current sensor 12 corresponding to area reduction of the dummy measuring body 13.;COPYRIGHT: (C)2005,JPO&NCIPI