| 摘要 |
PROBLEM TO BE SOLVED: To obtain a method of manufacturing a squirrel-cage rotor in which problem in terms of quality is less likely to occur, and insulation treatment can be applied between a conductor bar and a rotor core by simpler device and procedure.SOLUTION: A method of manufacturing a squirrel-cage rotor 50 includes a step for forming a conductor bar 7 by filling a slot 6, formed in a rotor core 1, with aluminum by aluminum die-casting process, and a step for applying an impact a plurality of times to the rotor core 1 after forming the conductor bar 7. |
