| 摘要 |
A aerospace machine element product ( 1 ) to be managed comprises a plurality of assembled components ( 2 ) (( 1 ) to ( 3 )). Each of the plurality of components ( 2 ) (( 1 ) to ( 3 )) is manufactured through a material purchase process (S 1 ), a forging process (S 2 ), a heat treatment process (S 3 ), a grinding process (S 4 ), surface treatment process (S 5 ), and inspection process (S 6 ). The information of the processes (S 1 ) to (S 2 ) is recorded on an IC tag ( 4 ) together with the lot numbers of the processes. After the components ( 2 ) have been assembled in the aerospace machine element product ( 1 ), the recorded information regarding the components ( 2 ) on the IC tag ( 4 ) is recorded in a management computer system ( 11 ) so as to be related to a manufacturing number or a manufacturing lot number. Another IC tag ( 10 ) is attached to the aerospace machine element product ( 1 ) and the manufacturing number or the lot number is recorded on the IC tag ( 10 ). In addition, processing condition information about the forging, heat treatment, grinding, surface treatment processes is recorded on this IC tag ( 10 ).
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