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Title:
ROTOR OF MOTOR AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2012210070
Kind Code:
A
Abstract:

To provide a rotor which suppress reduction in manufacturing efficiency and performance deterioration in a motor and has less variation in performance, and to provide a method for manufacturing the rotor.

The rotor includes: end rings provided on both sides of laminated magnetic steel sheets; and conductor bars inserted in the shaft direction of these laminated magnetic steel sheets and the end rings. The conductor bar and the end ring are caulked by pressing the end ring from the outer peripheral side. A roller 10 is relatively rotated around the rotor while pressing the end ring from the other peripheral side using this roller 10 in this caulking process, thereby capable of caulking the outer peripheral part of the conductor bars scattered in the circumferential direction.


Inventors:
SAKAI TORU
KITAJIMA DAISUKE
HIROTA HIROKI
Application Number:
JP2011073887A
Publication Date:
October 25, 2012
Filing Date:
March 30, 2011
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
International Classes:
H02K17/16; H02K15/02
Domestic Patent References:
JP2010154730A2010-07-08
JPH05161324A1993-06-25
Attorney, Agent or Firm:
Manabu Inoue