| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminated ring made of metal by which the degrees of change of the respective circumferences of sheet- like rings for forming the laminated ring can be uniformized and the combination precision of the respective sheet-like rings can be improved. SOLUTION: A plurality of sheet-like rings 2 made of metal are rolled. The sheet-like rings 2 are solution-heat-treated, and respective circumferences of the sheet-like rings 2 are corrected to those corresponding to their respective stacking orders. Then the sheet-like rings 2 are held in a heating furnace 5 and heat treated. Successively, the sheet-like rings 2 are laminated in a radial direction according to their respective stacking orders to form the laminated ring. In the heating furnace 5 for the heat treatment, the plurality of sheet-like rings 2 are arranged horizontally on a plurality of ring-supporting members 6, leaving a space at which mutual contact between the sheet-like rings 2 can be avoided, and further, the sheet-like rings 2 having their respective circumferences to be combined at the formation of the laminated ring are arranged on the same ring-supporting member 6 and respective ring-supporting members 6 are stacked in a vertical direction.
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