CA3235969A1 - Methods for manufacturing laminated core - Google Patents

Methods for manufacturing laminated core Download PDF

Info

Publication number
CA3235969A1
CA3235969A1 CA3235969A CA3235969A CA3235969A1 CA 3235969 A1 CA3235969 A1 CA 3235969A1 CA 3235969 A CA3235969 A CA 3235969A CA 3235969 A CA3235969 A CA 3235969A CA 3235969 A1 CA3235969 A1 CA 3235969A1
Authority
CA
Canada
Prior art keywords
steel sheet
electrical steel
processing
laser
core
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.)
Pending
Application number
CA3235969A
Other languages
English (en)
French (fr)
Inventor
Takeshi Omura
Yoshihisa Ichihara
Souichiro Yoshizaki
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of CA3235969A1 publication Critical patent/CA3235969A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electromagnetism (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Laser Beam Processing (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
CA3235969A 2021-12-14 2022-09-22 Methods for manufacturing laminated core Pending CA3235969A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021202286 2021-12-14
JP2021-202286 2021-12-14
PCT/JP2022/035417 WO2023112420A1 (ja) 2021-12-14 2022-09-22 積層鉄心の製造方法

Publications (1)

Publication Number Publication Date
CA3235969A1 true CA3235969A1 (en) 2023-06-22

Family

ID=86774294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3235969A Pending CA3235969A1 (en) 2021-12-14 2022-09-22 Methods for manufacturing laminated core

Country Status (7)

Country Link
EP (1) EP4407643A4 (https=)
JP (1) JP7533755B2 (https=)
KR (1) KR102902203B1 (https=)
CN (1) CN118266051A (https=)
CA (1) CA3235969A1 (https=)
MX (1) MX2024006149A (https=)
WO (1) WO2023112420A1 (https=)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07298570A (ja) 1994-04-28 1995-11-10 Nippon Steel Corp 螺旋コアの製造方法
JPH11786A (ja) * 1997-06-10 1999-01-06 Ishikawajima Harima Heavy Ind Co Ltd 水中レーザ・ウォータジェット複合切断装置
JP2011193622A (ja) * 2010-03-15 2011-09-29 Honda Motor Co Ltd 積層コア
JP5598062B2 (ja) 2010-04-01 2014-10-01 新日鐵住金株式会社 低鉄損の回転電機鉄心の製造方法
BR112013002874B1 (pt) * 2010-08-06 2022-05-24 Jfe Steel Corporation Chapa de aço elétrica de grão orientado e método para fabricar a mesma
JP6048723B2 (ja) * 2012-07-13 2016-12-21 株式会社ジェイテクト モータステータコア及びその製造方法
JP5983306B2 (ja) 2012-10-24 2016-08-31 Ｊｆｅスチール株式会社 鉄損に優れた変圧器鉄心の製造方法
JP6436381B2 (ja) * 2014-08-27 2018-12-12 日本電産株式会社 モータ用電機子及びモータ
EP3438293B1 (en) * 2016-03-31 2020-07-29 Nippon Steel Corporation Grain-oriented electrical steel sheet
JP6801412B2 (ja) * 2016-12-06 2020-12-16 日本製鉄株式会社 方向性電磁鋼板、及び、その製造方法
JP7010311B2 (ja) * 2018-02-08 2022-02-10 日本製鉄株式会社 方向性電磁鋼板
JP6939852B2 (ja) * 2019-07-31 2021-09-22 Ｊｆｅスチール株式会社 線状溝形成方法および方向性電磁鋼板の製造方法

Also Published As

Publication number Publication date
KR102902203B1 (ko) 2025-12-18
WO2023112420A1 (ja) 2023-06-22
EP4407643A1 (en) 2024-07-31
JP7533755B2 (ja) 2024-08-14
EP4407643A4 (en) 2025-01-22
KR20240093731A (ko) 2024-06-24
CN118266051A (zh) 2024-06-28
MX2024006149A (es) 2024-06-04
JPWO2023112420A1 (https=) 2023-06-22

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