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IN2013CH00757A - - Google Patents

Info

Publication number
IN2013CH00757A
IN2013CH00757A IN757CH2013A IN2013CH00757A IN 2013CH00757 A IN2013CH00757 A IN 2013CH00757A IN 757CH2013 A IN757CH2013 A IN 757CH2013A IN 2013CH00757 A IN2013CH00757 A IN 2013CH00757A
Authority
IN
India
Prior art keywords
knurling tool
rotor
shaped
center
shaping part
Prior art date
Application number
Inventor
Oka Takenori
Aoki Kenichi
Inoue Kiyiomi
Yamagishi Toshiyuki
Original Assignee
Yaskawa Denki Seisakusho Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yaskawa Denki Seisakusho Kk filed Critical Yaskawa Denki Seisakusho Kk
Publication of IN2013CH00757A publication Critical patent/IN2013CH00757A/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y10T29/49012—Rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

Provided is a rotor, a rotating electrical machine and a manufacturing method of the rotor that manage both high fixing strength and assembling precision as well as realizing operational stability in assembly process. The rotor (3) includes a rotor core (6) in which a center pore (6a) is shaped in the center and a permanent magnet (7) is arranged on the circumference thereof, and a shaft (5), in which a knurling tool shaping part (8a) with a knurling tool (9) shaped and a non-knurling tool shaping part (8b) without a knurling tool (9) shaped are arranged on the peripheral surface and closely inserted into the center pore (6a) such that the center pore (6a) and non-knurling tool shaping part (8b) are present inside the center pore (6a). Most Illustrative Drawing: Fig. 2A
IN757CH2013 2012-08-03 2013-02-21 IN2013CH00757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012173064A JP2014033549A (en) 2012-08-03 2012-08-03 Rotor, rotary electric machine and method for manufacturing rotor

Publications (1)

Publication Number Publication Date
IN2013CH00757A true IN2013CH00757A (en) 2015-04-24

Family

ID=47603399

Family Applications (1)

Application Number Title Priority Date Filing Date
IN757CH2013 IN2013CH00757A (en) 2012-08-03 2013-02-21

Country Status (7)

Country Link
US (1) US20140035419A1 (en)
EP (1) EP2693606A2 (en)
JP (1) JP2014033549A (en)
KR (1) KR20140018779A (en)
CN (1) CN103580328A (en)
BR (1) BR102013007402A2 (en)
IN (1) IN2013CH00757A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9800107B2 (en) 2014-10-20 2017-10-24 Hyundai Mobis Co., Ltd. Rotor
FR3050969A1 (en) * 2016-05-09 2017-11-10 Valeo Systemes Dessuyage ROTATION SHAFT AND MOTORIZED GROUP EQUIPPED WITH SUCH A SHAFT FOR A WIPING SYSTEM OF A MOTOR VEHICLE
KR101794974B1 (en) * 2017-05-12 2017-11-07 박돈정 Shaft stacking and press fitting for amateur cores
CN108054867B (en) * 2018-01-22 2019-07-09 珠海格力电器股份有限公司 Rotor shaft assembly, rotor and motor
DE102020111680A1 (en) 2020-04-29 2021-11-04 Valeo Siemens Eautomotive Germany Gmbh Forming device for manufacturing a knurled rotor shaft, method for manufacturing a rotor shaft for an electrical machine, rotor shaft, rotor and method for vibration analysis of a rotor
WO2022253622A1 (en) * 2021-05-31 2022-12-08 Valeo Eautomotive Germany Gmbh Rotor for an electric machine
CN114069980B (en) * 2021-10-28 2025-04-04 浙江希尔富电气股份有限公司 A motor shaft pressure head device and calibration method thereof
CN117767617B (en) * 2023-11-20 2025-10-21 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) A permanent magnet motor rotor and a manufacturing method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215287A (en) * 1978-03-24 1980-07-29 General Electric Company Prime mover rotor shaft having raised ridges
JP2671402B2 (en) * 1988-07-13 1997-10-29 松下電器産業株式会社 Rotating electric machine rotor
JPH07312852A (en) * 1994-05-13 1995-11-28 Yaskawa Electric Corp Method of manufacturing permanent magnet rotor
JP3423485B2 (en) * 1995-06-19 2003-07-07 山洋電気株式会社 Shaft structure
US6075306A (en) * 1998-12-30 2000-06-13 Mfm Technology L.L.C. Laminated rotor for permanent magnet brushless motors
DE10160847A1 (en) * 2001-12-12 2003-07-17 Valeo Auto Electric Gmbh Actuating device, in particular for actuating limited slip differentials of vehicles
JP2005184968A (en) * 2003-12-18 2005-07-07 Toyota Motor Corp Rotating electrical machine rotor
JP4558478B2 (en) 2004-12-28 2010-10-06 日立オートモティブシステムズ株式会社 Rotating machine rotor, manufacturing method thereof, and motor for electric power steering
JP2007159191A (en) * 2005-12-01 2007-06-21 Denso Corp Motor
DE102006032215A1 (en) * 2006-07-12 2008-01-24 Robert Bosch Gmbh Rotor for an electric machine
CN101222165B (en) * 2007-01-09 2010-08-11 上海电气集团上海电机厂有限公司 Press-fitting method of motor rotor core
JP5493405B2 (en) * 2009-03-16 2014-05-14 株式会社安川電機 ROTOR CORE MANUFACTURING METHOD, ROTOR CORE, ROTOR AND INTERNAL MAGNET TYPE ROTARY ELECTRIC
CN201435659Y (en) * 2009-07-08 2010-03-31 山东齐鲁电机制造有限公司 Motor rotor assembly structure
JP5111563B2 (en) 2010-06-01 2013-01-09 三菱電機株式会社 Rotating electric machine

Also Published As

Publication number Publication date
US20140035419A1 (en) 2014-02-06
EP2693606A2 (en) 2014-02-05
CN103580328A (en) 2014-02-12
JP2014033549A (en) 2014-02-20
KR20140018779A (en) 2014-02-13
BR102013007402A2 (en) 2015-07-07

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