JP7464740B2 - 積層鉄心の製造方法及び積層鉄心 - Google Patents

積層鉄心の製造方法及び積層鉄心 Download PDF

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Publication number
JP7464740B2
JP7464740B2 JP2022553689A JP2022553689A JP7464740B2 JP 7464740 B2 JP7464740 B2 JP 7464740B2 JP 2022553689 A JP2022553689 A JP 2022553689A JP 2022553689 A JP2022553689 A JP 2022553689A JP 7464740 B2 JP7464740 B2 JP 7464740B2
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JP
Japan
Prior art keywords
pair
portions
core
crimping
core piece
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2022553689A
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English (en)
Japanese (ja)
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JPWO2022196359A1 (https=
Inventor
道信 平間
赳 萩原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NHK Spring Co Ltd
Original Assignee
NHK Spring Co Ltd
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 NHK Spring Co Ltd filed Critical NHK Spring Co Ltd
Publication of JPWO2022196359A1 publication Critical patent/JPWO2022196359A1/ja
Application granted granted Critical
Publication of JP7464740B2 publication Critical patent/JP7464740B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • 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
    • 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
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/09—Magnetic cores comprising laminations characterised by being fastened by caulking

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
JP2022553689A 2021-03-15 2022-03-02 積層鉄心の製造方法及び積層鉄心 Active JP7464740B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021041801 2021-03-15
JP2021041801 2021-03-15
PCT/JP2022/008852 WO2022196359A1 (ja) 2021-03-15 2022-03-02 積層鉄心の製造方法及び積層鉄心

Publications (2)

Publication Number Publication Date
JPWO2022196359A1 JPWO2022196359A1 (https=) 2022-09-22
JP7464740B2 true JP7464740B2 (ja) 2024-04-09

Family

ID=83322316

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022553689A Active JP7464740B2 (ja) 2021-03-15 2022-03-02 積層鉄心の製造方法及び積層鉄心

Country Status (4)

Country Link
US (1) US20240154478A1 (https=)
JP (1) JP7464740B2 (https=)
CN (1) CN116897496A (https=)
WO (1) WO2022196359A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023448A1 (en) 2006-08-22 2008-02-28 Japan Metal Gasket Co., Ltd. Bonding structure for metal plate
JP2011125141A (ja) 2009-12-10 2011-06-23 Toyota Motor Corp ステータコアおよびステータコアの製造方法
US20120169175A1 (en) 2010-12-29 2012-07-05 Samsung Electronics Co., Ltd. Motor, manufacturing method for the same and washing machine
JP2016152725A (ja) 2015-02-18 2016-08-22 株式会社三井ハイテック 仮カシメを有する積層体及びその製造方法並びに積層鉄心の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123775U (https=) * 1980-02-18 1981-09-21
JPH07185695A (ja) * 1993-12-28 1995-07-25 Mitsui High Tec Inc 積層固着品のかしめ構造
JP5641902B2 (ja) * 2010-10-08 2014-12-17 日本発條株式会社 モーターのステーター・コア及び製造方法
JP2012165494A (ja) * 2011-02-03 2012-08-30 Mitsui High Tec Inc 積層鉄心及びその製造方法
JP7298378B2 (ja) * 2019-08-07 2023-06-27 トヨタ紡織株式会社 磁性体コアの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023448A1 (en) 2006-08-22 2008-02-28 Japan Metal Gasket Co., Ltd. Bonding structure for metal plate
JP2011125141A (ja) 2009-12-10 2011-06-23 Toyota Motor Corp ステータコアおよびステータコアの製造方法
US20120169175A1 (en) 2010-12-29 2012-07-05 Samsung Electronics Co., Ltd. Motor, manufacturing method for the same and washing machine
JP2016152725A (ja) 2015-02-18 2016-08-22 株式会社三井ハイテック 仮カシメを有する積層体及びその製造方法並びに積層鉄心の製造方法

Also Published As

Publication number Publication date
CN116897496A (zh) 2023-10-17
JPWO2022196359A1 (https=) 2022-09-22
US20240154478A1 (en) 2024-05-09
WO2022196359A1 (ja) 2022-09-22

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