JP7363700B2 - 磁石の製造方法、及びロータの製造方法 - Google Patents
磁石の製造方法、及びロータの製造方法 Download PDFInfo
- Publication number
- JP7363700B2 JP7363700B2 JP2020126533A JP2020126533A JP7363700B2 JP 7363700 B2 JP7363700 B2 JP 7363700B2 JP 2020126533 A JP2020126533 A JP 2020126533A JP 2020126533 A JP2020126533 A JP 2020126533A JP 7363700 B2 JP7363700 B2 JP 7363700B2
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- Japan
- Prior art keywords
- insulating member
- magnet
- magnet body
- rotor
- rotor 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.)
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- 230000009477 glass transition Effects 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
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- 239000004697 Polyetherimide Substances 0.000 description 16
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- 229920005989 resin Polymers 0.000 description 5
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 230000002093 peripheral effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PRQMIVBGRIUJHV-UHFFFAOYSA-N [N].[Fe].[Sm] Chemical compound [N].[Fe].[Sm] PRQMIVBGRIUJHV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- KFVLFWWLSIOANK-UHFFFAOYSA-N cerium cobalt Chemical compound [Co].[Co].[Co].[Co].[Co].[Ce] KFVLFWWLSIOANK-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B29C66/01—General aspects dealing with the joint area or with the area to be joined
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- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B29C66/721—Fibre-reinforced materials
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
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- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
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- B29C66/80—General aspects of machine operations or constructions and parts thereof
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- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- 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
-
- 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]
-
- 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
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- 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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2713/00—Use of textile products or fabrics for preformed parts, e.g. for inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0007—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0008—Magnetic or paramagnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3406—Components, e.g. resistors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
先ず、モータの概略構成を説明する。
図1に示すように、モータ50は、全体として円柱状のシャフト55を有する。シャフト55の中心軸線Jは、モータ50の回転中心軸線Jとなっている。なお、本明細書では、シャフト55の中心軸線Jと同軸のものについては統一の符号Jを付す。
図7に示すように、ロータ60の製造に際しては、先ず準備工程S10が行われる。準備工程S10では、ロータコア62、磁石本体82、及び絶縁部材86が準備される。ロータコア62及び磁石本体82については、既に説明した形状のものが準備される。なお、磁石本体82は、ロータコア62におけるスロット64の数に合わせて、1つのロータコア62当たり16個準備される。また、絶縁部材86については、シート状の絶縁部材86を予め帯状に作製しておき、当該帯状の絶縁部材86をロール状に巻いたロール体90として準備される。ロール体90は2つ準備される。なお、ロール体90の幅は、長方形状の磁石本体82の長辺に沿う方向の寸法に略一致している。
熱圧着工程S30では、上型201の加圧用凹部201A及び下型202の加圧用凹部202Aがポリエーテルイミドのガラス転移温度よりも高い温度に加熱される。これに伴い、磁石本体82の両面に配置されている絶縁部材86のポリエーテルイミドが軟化する。その上で、熱圧着工程S30では、絶縁部材86が加圧される。このことにより、絶縁部材86のガラス繊維が撓んで弾性圧縮した状態になる。さらに、熱圧着工程S30では、絶縁部材86を加圧した状態を維持したまま上型201の加圧用凹部201A及び下型202の加圧用凹部202Aがポリエーテルイミドのガラス転移温度よりも低い温度に冷やされる。このことにより、絶縁部材86はガラス繊維が弾性圧縮した状態のまま磁石本体82の表面に結合する。
(1)上記作用に記載したとおり、本実施形態では、絶縁部材86のガラス繊維を弾性圧縮した状態で絶縁部材86を磁石本体82と一体にした上で、磁石80を再加熱することでガラス繊維を弾性復帰させて磁石80をロータコア62に固定している。この場合、接着材やモールド加工のための樹脂等を磁石やロータコアに塗布するといった手間は不要であり、磁石80が挿入されたロータコア62を加熱するという単純な処理で、磁石80をロータコア62に固定できる。
・配置工程S20で利用する配置装置100の構成は、上記実施形態の例に限定されない。配置装置100は、磁石本体82の表面上に絶縁部材86を配置できるように構成されていればよい。
・熱圧着工程S30の第2規定温度Z2は、熱可塑性樹脂繊維のガラス転移温度よりも相当に低くてもよい。第2規定温度Z2は、例えば常温でもよい。
・固定工程S50で絶縁部材86を加熱する手法は、上記実施形態の例に限定されない。例えば、高周波誘導加熱を利用してもよい。すなわち、スロット64に磁石80が収容された状態のロータコア62を誘導加熱用のコイルの内側に配置する。そして、コイルに電流を流して磁界を発生させることで、ロータコア62とともに絶縁部材86を加熱してもよい。
62…ロータコア
64…スロット
80…磁石
82…磁石本体
86…絶縁部材
Claims (3)
- 絶縁部材によって磁石本体の表面のうちの第1面及び前記第1面とは反対側に位置する第2面の少なくとも一方が覆われている磁石の製造方法であって、
熱可塑性樹脂繊維及び無機繊維を含んで構成される不織布の前記絶縁部材を、前記磁石本体の前記第1面及び前記第2面の少なくとも一方に配置する配置工程と、
前記絶縁部材を前記熱可塑性樹脂繊維のガラス転移温度以上に加熱しながら加圧することで、前記無機繊維が弾性圧縮された状態で前記絶縁部材を前記磁石本体に熱圧着する熱圧着工程とを有する
磁石の製造方法。 - 前記配置工程では、不織布の前記絶縁部材をロール状に巻いた2つのロール体の双方から前記絶縁部材を巻き出して一方の前記ロール体から巻き出した前記絶縁部材を前記磁石本体の前記第1面に配置すると共に他方の前記ロール体から巻き出した前記絶縁部材を前記磁石本体の前記第2面に配置する
請求項1に記載の磁石の製造方法。 - スロットが空いているロータコアと、前記スロット内に配置され、絶縁部材によって磁石本体の表面のうちの第1面及び前記第1面とは反対側に位置する第2面の少なくとも一方が覆われている磁石とを有するロータの製造方法であって、
熱可塑性樹脂繊維及び無機繊維を含んで構成される不織布の前記絶縁部材を、前記磁石本体の前記第1面及び前記第2面の少なくとも一方に配置する配置工程と、
前記絶縁部材を前記熱可塑性樹脂繊維のガラス転移温度以上に加熱しながら加圧することで、前記無機繊維が弾性圧縮された状態で前記絶縁部材を前記磁石本体に熱圧着して前記磁石を形成する熱圧着工程と、
前記スロット内に前記磁石を配置した状態で前記磁石を前記ガラス転移温度以上に加熱することによって前記無機繊維を弾性復帰させて前記磁石を前記ロータコアに固定する固定工程とを有する
ロータの製造方法。
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007151362A (ja) | 2005-11-30 | 2007-06-14 | Toyota Motor Corp | 永久磁石固定方法 |
JP2009171785A (ja) | 2008-01-18 | 2009-07-30 | Toyota Motor Corp | 回転電機 |
WO2014167953A1 (ja) | 2013-04-10 | 2014-10-16 | 日産自動車株式会社 | ロータコア磁石挿入孔への磁石挿入装置および方法 |
JP2018038107A (ja) | 2016-08-29 | 2018-03-08 | トヨタ自動車株式会社 | 回転電機のロータの製造方法 |
JP2019140773A (ja) | 2018-02-08 | 2019-08-22 | トヨタ自動車株式会社 | 回転電機のロータ |
JP2019137965A (ja) | 2015-01-29 | 2019-08-22 | 王子ホールディングス株式会社 | 繊維強化プラスチック成形体用シート |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1370266A (fr) * | 1963-09-17 | 1964-08-21 | Bbc Brown Boveri & Cie | Procédé pour la fabrication d'un isolement à base de mica se prêtant à l'imprégnation |
FR1397098A (fr) * | 1964-06-04 | 1965-04-23 | Asea Ab | Procédé de fabrication des bobines en forme pour les machines électriques et bobines fabriquées selon ce procédé |
US4678954A (en) * | 1986-03-05 | 1987-07-07 | Kabushiki Kaisha Toshiba | Rotor with permanent magnets having thermal expansion gaps |
JPH01282376A (ja) * | 1988-05-06 | 1989-11-14 | Osaka Gas Co Ltd | 弾力性繊維集合体の設置方法、並びに、それに使用する繊維集合体製材料 |
EP0489882B1 (de) * | 1989-09-28 | 1994-09-14 | ISOVOLTAÖsterreichische IsolierstoffwerkeAktiengesellschaft | Verfahren zur herstellung der elektrischen isolierung der wicklung einer elektrischen maschine |
JPH03180588A (ja) * | 1989-12-06 | 1991-08-06 | Nitto Boseki Co Ltd | ポリエーテルイミド不織布,ポリエーテルイミド―無機繊維混合不織布及びこれらの製造方法 |
US6623541B2 (en) | 2000-07-31 | 2003-09-23 | Shin-Etsu Chemical Co., Ltd. | Sintered rare earth magnet and making method |
JP4081642B2 (ja) | 2000-07-31 | 2008-04-30 | 信越化学工業株式会社 | 希土類焼結磁石及びその製造方法 |
JP3933040B2 (ja) * | 2002-11-27 | 2007-06-20 | 松下電器産業株式会社 | 希土類ボンド磁石の製造方法とそれを有する永久磁石型モータ |
JP2010141989A (ja) * | 2008-12-10 | 2010-06-24 | Nissan Motor Co Ltd | 永久磁石式モータ及び永久磁石固定方法 |
KR101085119B1 (ko) * | 2010-04-16 | 2011-11-18 | 주식회사 신금하 | 압축기용 리니어 모터의 마그네트 어셈블리 및 그 제조방법 |
JP2012244838A (ja) | 2011-05-23 | 2012-12-10 | Toyota Motor Corp | 回転電機用ロータ、回転電機、および、回転電機用ロータの製造方法 |
DE102011119512A1 (de) * | 2011-11-26 | 2013-05-29 | Volkswagen Aktiengesellschaft | Verfahren zur Herstellung eines Rotors für eine permanentmagneterregte elektrische Maschine, permanentmagneterregte elektrische Maschine und Verwendung thermisch expandierbarer Mikrosphären |
SG11201402724TA (en) * | 2011-11-29 | 2014-09-26 | Sumitomo Bakelite Co | Fixing resin composition, rotor, automobile, and method of manufacturing rotor |
JP2014054061A (ja) * | 2012-09-06 | 2014-03-20 | Fanuc Ltd | 埋込磁石型の電動機回転子 |
DE102012023868A1 (de) * | 2012-12-06 | 2014-06-12 | Volkswagen Aktiengesellschaft | Elektrische Maschine sowie Verfahren zu ihrer Herstellung |
JP5820046B2 (ja) * | 2013-12-27 | 2015-11-24 | ファナック株式会社 | 磁石保持構造を備えた電動機の回転子及びそれを備える電動機 |
WO2015146210A1 (ja) * | 2014-03-24 | 2015-10-01 | 日立オートモティブシステムズ株式会社 | 永久磁石式回転電機及びその製造方法 |
JP2015182202A (ja) * | 2014-03-25 | 2015-10-22 | 日本発條株式会社 | 繊維強化樹脂板の打ち抜き方法及び繊維強化樹脂部品の製造方法 |
JP2015228762A (ja) * | 2014-06-02 | 2015-12-17 | 日東電工株式会社 | 永久磁石、永久磁石の製造方法、回転電機及び回転電機の製造方法 |
JP5980874B2 (ja) * | 2014-10-20 | 2016-08-31 | ファナック株式会社 | 回転電機に使用される磁石保持部材、回転子、回転電機および工作機械 |
CN104454852B (zh) * | 2014-11-28 | 2016-05-18 | 烟台首钢磁性材料股份有限公司 | 一种永磁钕铁硼磁钢绝缘粘接的方法及专用挤压工装 |
US10105898B2 (en) * | 2015-03-20 | 2018-10-23 | Toyota Jidosha Kabushiki Kaisha | Resin joined body, manufacturing method of resin joined body, and vehicle structure |
US10867729B2 (en) * | 2015-03-24 | 2020-12-15 | Nitto Denko Corporation | Method for producing sintered body that forms rare-earth permanent magnet and has non-parallel easy magnetization axis orientation |
JP6369420B2 (ja) * | 2015-08-07 | 2018-08-08 | トヨタ自動車株式会社 | 回転子の製造方法 |
CN108028564A (zh) * | 2015-09-02 | 2018-05-11 | 日立汽车系统株式会社 | 转子、配备转子的旋转电机、以及转子的制造方法 |
JP7093301B2 (ja) * | 2016-07-15 | 2022-06-29 | 三菱電機株式会社 | コンシクエントポール型ロータ、電動機、空気調和機、及びコンシクエントポール型ロータの製造方法 |
WO2018168554A1 (ja) * | 2017-03-16 | 2018-09-20 | 株式会社カネカ | 熱可塑性樹脂系繊維強化複合材料と金属部材との接着複合体及びその製造方法 |
DE102017129212A1 (de) * | 2017-12-08 | 2019-06-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor mit Kühlung |
JP7068151B2 (ja) * | 2018-12-07 | 2022-05-16 | ファナック株式会社 | 磁石を押圧する補強部材を有する同期電動機の回転子 |
JP2020115712A (ja) * | 2019-01-17 | 2020-07-30 | 本田技研工業株式会社 | ロータ |
-
2020
- 2020-07-27 JP JP2020126533A patent/JP7363700B2/ja active Active
-
2021
- 2021-07-19 CN CN202110813898.4A patent/CN113991948B/zh active Active
- 2021-07-20 DE DE102021118647.1A patent/DE102021118647A1/de active Pending
- 2021-07-21 US US17/443,156 patent/US11801648B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007151362A (ja) | 2005-11-30 | 2007-06-14 | Toyota Motor Corp | 永久磁石固定方法 |
JP2009171785A (ja) | 2008-01-18 | 2009-07-30 | Toyota Motor Corp | 回転電機 |
WO2014167953A1 (ja) | 2013-04-10 | 2014-10-16 | 日産自動車株式会社 | ロータコア磁石挿入孔への磁石挿入装置および方法 |
JP2019137965A (ja) | 2015-01-29 | 2019-08-22 | 王子ホールディングス株式会社 | 繊維強化プラスチック成形体用シート |
JP2018038107A (ja) | 2016-08-29 | 2018-03-08 | トヨタ自動車株式会社 | 回転電機のロータの製造方法 |
JP2019140773A (ja) | 2018-02-08 | 2019-08-22 | トヨタ自動車株式会社 | 回転電機のロータ |
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