| 摘要 |
PROBLEM TO BE SOLVED: To allow balance adjustment work to be performed efficiently and accurately in a short time and suppress a balance adjustment member from protruding from a rotor.SOLUTION: Balancer storing parts 14 are provided in a plurality of positions in a circumferential direction in an end plate 12 mounted on a rotor core 11. The balancer storing parts 14 are formed in a counterbored hole shape to be constituted of entrance spaces 14a and storage spaces 14b larger in dimension than the entrance spaces. Circular balancers 15, solid members for adjusting balance of a rotor entirely, are inserted into the balancer storing parts 14 to be stored and fixed by adhesives 16.SELECTED DRAWING: Figure 3 |
