JPH0223048A - Manufacture of iron core for electrical machine - Google Patents
Manufacture of iron core for electrical machineInfo
- Publication number
- JPH0223048A JPH0223048A JP16898888A JP16898888A JPH0223048A JP H0223048 A JPH0223048 A JP H0223048A JP 16898888 A JP16898888 A JP 16898888A JP 16898888 A JP16898888 A JP 16898888A JP H0223048 A JPH0223048 A JP H0223048A
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- plate material
- manufacturing
- arrow
- wound
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 58
- 238000000034 method Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 abstract description 14
- 238000005452 bending Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000009751 slip forming Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【発明の詳細な説明】
ａ、産業上の利用分野
本発明は、電機用鉄芯の製造方法に関し、特に、長手形
状の板素材の一側に歯部を連続形成し、この板素材を内
巻き又は外巻きとすることにより、円筒状のステータ用
又はロータ用の鉄芯を極めて容易に形成する方法に関す
る。Detailed Description of the Invention: a. Field of Industrial Application The present invention relates to a method for manufacturing an iron core for electrical machinery, and in particular, a method for manufacturing an iron core for electrical machinery, and in particular, a process in which teeth are continuously formed on one side of a longitudinal plate material, and the plate material is The present invention relates to a method of extremely easily forming a cylindrical stator or rotor iron core by winding or outer winding.
ｂ、従来の技術
従来、用いられていたこの種の電機用鉄芯の製造方法と
しては、種々あるが、その中で代表的なものについて述
べると、ここでは、これらの従来例を示す文献名等を開
示していないが、第９図から第１１図で示す本出願人が
社内で用いていた方法を挙げることができる。b. Conventional technology There are various methods of manufacturing this type of iron core for electrical machinery that have been used in the past, but to describe the typical ones, here are the titles of documents showing these conventional examples. Although the method is not disclosed, the method shown in FIGS. 9 to 11 and used in-house by the present applicant can be mentioned.
すなわち、第°９図に示す第１従来例においては、長手
形状をなす板素材１に対し、プレス（図示せず）によっ
て多数の歯部２を有する鉄芯エレメント３を一体に打ち
抜き （ワンパンチ法）、このワンパンチ法で打ち抜か
れた所定枚数の鉄芯エレメント３を積層させることによ
り、小型ロータ用の鉄芯４を製造していた。That is, in the first conventional example shown in FIG. ), an iron core 4 for a small rotor was manufactured by stacking a predetermined number of iron core elements 3 punched by this one-punch method.
又、第１０図に示す第２従来例においては、前述の第１
従来例のように、鉄芯エレメント３をワンパンチで抜く
のではなく、矢印Ａで示すように、複数回のパンチによ
って、その周辺を部分的に抜き進み（ノツチング法）、
−枚の鉄芯エレメント３を形成し、多数枚積層すること
によって、中型ステータ用の鉄芯４Ａｆ！：ｌ造してい
た。Furthermore, in the second conventional example shown in FIG.
Unlike the conventional example, the iron core element 3 is not extracted with one punch, but as shown by arrow A, the surrounding area is partially extracted using multiple punches (notching method).
By forming - sheets of iron core elements 3 and laminating a large number of them, iron core 4Af for medium-sized stators! :I was building it.
さらに、第１１図に示す第３従来例においては、長手形
状の板素材１に対し、プレス（図示せず）によって複数
の歯部２を有する扇形をなす扇形鉄芯エレメント３Ａを
Ｄ成し、この扇形鉄芯エレメント３Ａを複数個平面状に
置くことにより一枚の輪状をなす鉄芯エレメント３を形
成し、この輪状の鉄芯ニレメン１〜３を多数個積層する
ことにより、大径ステータ用の鉄芯４Ａを製造していた
。Furthermore, in the third conventional example shown in FIG. 11, a fan-shaped iron core element 3A having a plurality of teeth 2 is formed by pressing (not shown) on a longitudinal plate material 1, By placing a plurality of these fan-shaped iron core elements 3A in a plane, a single ring-shaped iron core element 3 is formed, and by stacking a large number of these ring-shaped iron core elements 1 to 3, it is possible to use a large-diameter stator. The company was manufacturing iron core 4A.
仁 発明が解決しようとする４５題
従来の電機用鉄芯の製造方法は、以上のように構成され
ｔいたため、次のような課題を有していた。45 Problems to be Solved by the Invention The conventional method for manufacturing iron cores for electrical machinery was configured as described above, and therefore had the following problems.
すなわち、第９図に示す第１従来例のワンパンチ法の場
合、小形用としては最も多用されているが、打ち抜き金
型の寿命が短かく、且つ、板素材に対する使用効率が悪
く、全面積の約１／１３ Ｌか利用されておらず、材料
費が極めてコストアップとなっていた。In other words, in the case of the one-punch method of the first conventional example shown in Fig. 9, which is most frequently used for small-sized products, the life of the punching die is short, the efficiency of using the plate material is low, and the total area is Approximately 1/13 L was not used, and material costs were extremely high.
又、第１０図に示す第２従来例のノツチング法の場合も
、前述の第１従来例と同様の課題を有していた。Further, the notching method of the second conventional example shown in FIG. 10 also had the same problems as the first conventional example described above.
さらに、第１１図に示す第３従来例の場き、扇形鉄芯エ
レメントを打ち抜いた後、これらの１形鉄芯エレメント
を結合して輪状の鉄芯エレメントを形成させつつ積層し
なければならず、製造効率を向上させることが極めて困
難であった。Furthermore, in the case of the third conventional example shown in FIG. 11, after punching out the fan-shaped iron core elements, these type 1 iron core elements must be combined and stacked to form a ring-shaped iron core element. , it has been extremely difficult to improve manufacturing efficiency.
又、各従来例に共通する課題として、プレス作業と積層
作業とを連続して行うことができず、鉄芯の製造効率を
向上させる上で大きい障害となっていた。Furthermore, a problem common to all conventional examples is that the pressing operation and the laminating operation cannot be performed continuously, which is a major obstacle in improving the manufacturing efficiency of the iron core.
本発明は、以上のような課題を解決するためになされた
もので、特に、長手形状の板素材の一側にｍ部を連続形
成し、この板素材を内巻き又は外巻きとすることにより
、円筒状のステータ用又はロータ用の鉄芯を極めて容易
に形成するＴ４機用鉄芯の製造方法を提供することを目
的とする。The present invention has been made to solve the above-mentioned problems, and in particular, by continuously forming an m section on one side of a longitudinal plate material and winding the plate material inwardly or outwardly. It is an object of the present invention to provide a method for manufacturing an iron core for a T4 machine, which makes it extremely easy to form a cylindrical stator or rotor iron core.
８９課題を解決するための手段
本発明による電機用鉄芯の製造方法は、長手形状のｆ７
ｉ：素材の一側に抜きｆヤ業によって歯部を形成する第
１工程と、前記１８部形成後の板素材を内巻き又は外巻
き方向に巻回し円筒状の鉄芯を頂層形成する第２工程と
よりなる方法である。89 Means for Solving the Problems The method for manufacturing an iron core for electrical machinery according to the present invention is to
i: A first step of forming teeth on one side of the material by punching, and a second step of forming a cylindrical iron core as a top layer by winding the plate material after forming the 18 parts in an inward or outward direction. This method consists of two steps.
さらに、第２工程として、各歯部間にＶ状切欠部を形成
、又は、プレスにより部分的に伸びの差を形成、又は、
ロールプレスにより部分的に伸びの差を形成、又は、各
１Ｆ１部間に波形折曲部を形成の何れかを採用するよう
にした場合には、板素材の巻回がより容易となる。Furthermore, as a second step, a V-shaped notch is formed between each tooth part, or a difference in elongation is formed partially by pressing, or
If a roll press is used to partially create a difference in elongation, or if a wave-shaped bent portion is formed between each 1F section, winding of the plate material becomes easier.
８１作用
本発明による電機用鉄芯の製造方法においては、長手形
状の板素材の一関に抜き作業によって歯部を連続形成し
、歯部形成後の板素材を巻回することによって、ロータ
用鉄芯又はステータ川鉄芯と積層形成することができる
ため、歯部形成から鉄芯形成迄の工程を連続して行うこ
とができる。81 Effect In the method for manufacturing an iron core for electrical machinery according to the present invention, teeth are continuously formed in one section of a longitudinal plate material by punching, and the plate material after the teeth are formed is wound to produce a rotor iron core. Since it can be laminated with the core or stator iron core, the steps from forming the teeth to forming the iron core can be performed continuously.
又、板素材の巻回方向を選択するのみで、ステータ又は
ロータ用鉄芯の何れかを選択することができる。Further, by simply selecting the winding direction of the plate material, it is possible to select either the stator or the rotor core.
ｒ、実施例
以下、図面と共に本発明による電１１１泪鉄芯の製造方
法の好適な実施例について、訂帽に３明する。Embodiments Hereinafter, three preferred embodiments of the method for manufacturing the electric iron core according to the present invention will be explained in conjunction with the drawings.
尚、従来例と同−又は同等部分については同一符号を用
いて説明する。Note that the same or equivalent parts as in the conventional example will be described using the same reference numerals.
第１図から第８回道は、本発明による電機用鉄芯の製造
方法を示すもので、第１図は基本的構成図、第２図から
第８図は第１図における一部の工程における各製造方法
を示す工程図である。Figures 1 to 8 show the method for manufacturing an iron core for electrical machinery according to the present invention, with Figure 1 being a basic configuration diagram and Figures 2 to 8 showing some of the steps in Figure 1. It is a process diagram showing each manufacturing method in.
図において符号１で示されるものは、板コイル状に巻回
された長手形状の磁性材よりなる板素材であり、この板
素材１は、矢印Ａで示されるプレスによって、その一側
１ａが打ち抜かれ、連続して歯部２が形成される。In the figure, reference numeral 1 indicates a plate material made of a longitudinal magnetic material wound into a plate coil shape, and one side 1a of the plate material 1 is pressed by a press indicated by arrow A. It is removed and the tooth portion 2 is continuously formed.
次に、矢印Ｂの位置において、歯部２形成後の板素材１
を外巻き方向（矢印Ｃ）又は内巻き方向（矢印Ｄ）に曲
げ装！（図面せず）を用いて曲げ、積層することによっ
て鉄芯を形成するが、矢印Ｃで示す外巻きに巻回した場
きには、ロータ用の鉄芯４を形成し、他方、矢印りで示
す内巻きに巻回した場合には、ステータ用の鉄芯４Ａを
形成する。Next, at the position of arrow B, the plate material 1 after the tooth portion 2 has been formed.
Bend it in the outward winding direction (arrow C) or inward winding direction (arrow D)! The iron core is formed by bending and laminating the iron core (not shown), but when it is wound outward as shown by the arrow C, the iron core 4 for the rotor is formed; When wound inwardly as shown in , an iron core 4A for the stator is formed.
又、第２図に示す方法の場合、各歯部２間に形成された
板素材１の接続部１ｂの巾Ｗを極めて小さくし、治具に
よって容易に外巻き方向又は内巻き方向に曲折できるよ
うにしている。In addition, in the case of the method shown in FIG. 2, the width W of the connecting portion 1b of the plate material 1 formed between each tooth portion 2 is made extremely small, so that it can be easily bent in the outward or inward direction using a jig. That's what I do.
又、第３図に示す方法の場合、各歯部２間に形成された
板素材１の接続部１ｂには、上方に開口する■状切欠部
３が形成されており、この状態で板素材１を内巻き方向
に巻回すると、前記Ｖ状切欠部３が接なして線状となり
、ステータ用の鉄芯４Ａを形成することができる。In addition, in the case of the method shown in FIG. 3, a ■-shaped notch 3 that opens upward is formed in the connecting portion 1b of the plate material 1 formed between each tooth portion 2, and in this state, the plate material 1 is wound inwardly, the V-shaped notches 3 touch to form a linear shape, forming an iron core 4A for the stator.
又、第４図に示す方法は、前述の第３図で示すＶ状切欠
部３を下方に開口するように形成し、板素材１を外巻き
方向に巻回することにより、前記Ｖ状切欠部３が接合し
て線状となり、ロータ用の鉄芯４を形成することができ
る。Furthermore, the method shown in FIG. 4 involves forming the V-shaped notch 3 shown in FIG. The portions 3 are joined to form a linear shape, and an iron core 4 for the rotor can be formed.
又、第５図及び第６図に示す方法は、本発明による電機
用鉄芯の他の実施例を示すもので、板素材１の接続部１
ｂに、プレス（図示せず）によってほぼ三角形をなす押
圧部５を形成し、この押圧部５は、第５図において、上
部Ｍの方が巾広く押圧されて伸びが大きく、下部Ｎの方
が中挟く押圧された伸びが小さく、これらの上部Ｍと下
部Ｎとにおいて部分的に伸びに差があるように形成され
ており、その結果、伸びの大きい上部Ｍ側が外側となる
ように外巻き状態となり、ロータ用の鉄芯４を得ること
ができる。Further, the method shown in FIGS. 5 and 6 shows another embodiment of the iron core for electrical machinery according to the present invention, in which the connecting portion 1 of the plate material 1 is
b, a press (not shown) is used to form a substantially triangular pressing part 5, and in FIG. It is formed so that the elongation when pressed between the two is small, and there is a partial difference in elongation between the upper M and the lower N. As a result, the upper M side with the larger elongation is on the outside. It becomes a rolled state, and an iron core 4 for a rotor can be obtained.
さらに、第６図で示す方法は、前述の第５図で示す方法
における押圧部５の押圧形状を逆向きに形成した場合を
示しており、上部Ｍの広がりが下部Ｎの広がりよりも小
さく形成され、その結果、板素材１は内巻き方向に巻回
されてステータ用の鉄芯４Ａが形成されている。Furthermore, the method shown in FIG. 6 shows a case where the pressing shape of the pressing part 5 is formed in the opposite direction to the method shown in FIG. As a result, the plate material 1 is wound in the inward winding direction to form an iron core 4A for the stator.
又、第７図に示す方法は、本発明による電機用鉄芯の製
造方法の他の実施例を示すもので、板素材１の接続部１
ｂに、テーバ部６ａを有するロールプレス６によってほ
ぼ三角形をなす押圧部７を形成し、この押圧部７は、第
７図においては、上部Ｍの方が巾広く押圧されて伸びが
大きく、下部Ｎの方が中挟く押圧されて伸びが小さく、
これらの上部Ｍと下部Ｎとにおいて部分的に伸びに差が
あるように形成されており、その結果、伸びの大きい上
部Ｍｌｌｌが外側となるように外巻き状態となり、ロー
タ用の鉄芯４を得ることができる。The method shown in FIG. 7 shows another embodiment of the method for manufacturing an iron core for electrical machinery according to the present invention.
In FIG. 7, a substantially triangular pressing portion 7 is formed by a roll press 6 having a tapered portion 6a, and in FIG. N has less elongation due to the pressure from the middle,
The upper part M and the lower part N are formed so that there is a difference in elongation, and as a result, the upper part Mll, which has a large elongation, is wound outwardly, and the iron core 4 for the rotor is wound outwardly. Obtainable.
又、図示していないが、第７図の方法において、前記ロ
ールプレス６の向きを上下逆とすることにより、前述の
第６図で説明した方法と同様に、上部Ｍと下部Ｎの広が
り （伸び）が逆転し、板部材１は内巻きに巻回されて
ステータ用の鉄芯４Ａを得ることができる。Although not shown, in the method shown in FIG. 7, by turning the roll press 6 upside down, the upper part M and the lower part N can be expanded ( The elongation) is reversed, and the plate member 1 is wound inward to obtain an iron core 4A for the stator.
さらに、第８図に示す方法は、本発明による電機用鉄芯
の製造方法の他の実施例を示すもので、板素材１の接続
部１ｂに、扇形をなす波形折曲部８を形成し、板素材１
を外巻き方向に巻回することによって、ロータ用の鉄芯
４を形成している。Furthermore, the method shown in FIG. 8 shows another embodiment of the method for manufacturing an iron core for electrical machinery according to the present invention, in which a fan-shaped corrugated bent portion 8 is formed at the connecting portion 1b of the plate material 1. , board material 1
The iron core 4 for the rotor is formed by winding in the outward winding direction.
尚、第８図の方法において、前記波形折曲部８を一側１
ａに形成した！４合には、板素材１は、内巻き方向に巻
回することができ、ステータ用の鉄芯４Ａを得ることが
できる。In addition, in the method shown in FIG. 8, the waveform bent portion 8 is
Formed into a! In the fourth case, the plate material 1 can be wound in the inward winding direction, and an iron core 4A for the stator can be obtained.
又、前述の各実施例には示されていないが、前記接続部
１ ｂに対し、加熱を伴ないつつ内巻き又は外巻き方向
に巻回することも可能である。さらに、各歯部２の形成
位置を若干ずらすことにより、スキューを容易に得るこ
とができると共に、板素材に異方性をもたせた場合には
、より効１１．ｆ）よい鉄芯を作ることができる。Although not shown in the above-described embodiments, it is also possible to wind the connecting portion 1b in the inward or outward direction while being heated. Furthermore, by slightly shifting the formation position of each tooth portion 2, the skew can be easily obtained, and if the plate material has anisotropy, it will be more effective. f) A good iron core can be made.
ｇ１発明の効果
本発明による電機用鉄芯の製造方法は、以上のように構
成されているため、次のような効果を得ることができる
。g1 Effects of the Invention Since the method for manufacturing an iron core for electrical machinery according to the present invention is configured as described above, the following effects can be obtained.
すなわち、長手形状に構成された板素材の一側に連続し
て各歯部を形成し、この板素材を内巻き又は外巻きとす
るだけで極めて容易に、ステータ用又はロータ用の鉄芯
を得ることができるため、その製造工程を連続且つ完全
自動化することができ、大巾なコストダウンを達成する
ことができる。In other words, by forming each tooth continuously on one side of a plate material configured in a longitudinal shape and winding this plate material inwardly or outwardly, it is extremely easy to form an iron core for a stator or a rotor. As a result, the manufacturing process can be continuously and fully automated, resulting in significant cost reductions.
又、各歯部の金型を変えるだけで、小径品から大径品迄
、任意に作ることができる。In addition, by simply changing the mold for each tooth part, it is possible to make any size from small diameter products to large diameter products.
又、磁性鋼帯が使用できると共に、従来の製造方法に比
較して、廃棄する部分が少ないため、材料費を大巾に少
なくすることができる。Furthermore, since magnetic steel strips can be used and there is less waste compared to conventional manufacturing methods, material costs can be significantly reduced.
又、従来、不可能であった大径品も連続製造することが
でき、作業効率を大巾に向上させることができる。In addition, large-diameter products, which were conventionally impossible, can be manufactured continuously, and work efficiency can be greatly improved.
さらに、板素材に対しては、ノツチング１歯分の抜きで
済むため、プレス装置も小形で良く、設備を大巾に小形
化することができる。Furthermore, since only one tooth of notching is required for the plate material, the press device can also be made small, and the equipment can be significantly downsized.
第１図から第８１道は、本発明による電機用鉄芯の製造
方法を示すためのもので、第１図は基本的構成図、第２
図から第８図は第１図における一部の工程における各製
造方法を示す工程図、第９図から第１１図は、従来の電
機用鉄芯の製造方法を示す工程図である。
１は板素材、１ａは一側、２は歯部、３はＶ状切欠部、
４，４Ａは鉄芯、５は押圧部、６はロールプレス、８は
波形折曲部である。
第１図
第９図
第１０図
）は才及素符
１ａ）Ｉ＝Ｌ−Ａ只す
２）は歯部
３）は■状切欠部
４．４Ａ）は鉄芯
５）１ニオ甲圧普ｂ
６）し＝Ｌロールプレス
８）は波形新曲色ｂ
第１１図1 to 81 are for showing the manufacturing method of the iron core for electrical machinery according to the present invention, and FIG. 1 is a basic configuration diagram, and FIG.
8 are process diagrams showing each manufacturing method in some of the steps in FIG. 1, and FIGS. 9 to 11 are process diagrams showing a conventional method for manufacturing an iron core for electric machinery. 1 is a plate material, 1a is one side, 2 is a tooth part, 3 is a V-shaped notch part,
4 and 4A are iron cores, 5 is a pressing part, 6 is a roll press, and 8 is a corrugated bending part. Figure 1, Figure 9, Figure 10) is the skill element 1a) I=L-A only, 2) is the toothed part 3) is the ■-shaped notch 4, 4A) is the iron core 5) is the 1-nior carapace pressure b 6) Shi = L roll press 8) is the waveform new song color b Fig. 11
Claims (5)
作業によつて歯部（２）を形成する第１工程と、前記歯
部（２）形成後の板素材（１）を内巻き又は外巻き方向
に巻回し円筒状の鉄芯（４、４Ａ）を積層形成する第２
工程とよりなることを特徴とする電機用鉄芯の製造方法
。(1) A first step of forming a tooth portion (2) on one side (1a) of a longitudinal plate material (1) by punching, and a first step of forming a tooth portion (2) on one side (1a) of a longitudinal plate material (1); ) is wound inwardly or outwardly to form a laminated cylindrical iron core (4, 4A).
A method for producing an iron core for electrical machinery, characterized by the following steps:
２）間にＶ状切欠部（３）を形成するようにしたことを
特徴とする請求項１記載の電機用鉄芯の製造方法。(2) As the second step, each tooth part (
2) The method for manufacturing an iron core for electrical machinery according to claim 1, characterized in that a V-shaped notch (3) is formed between the two.
２）間に、プレスによる押圧部（５）により部分的に伸
びの差を形成するようにしたことを特徴とする請求項１
記載の電機用鉄芯の製造方法。(3) As the second step, each tooth part (
2) Claim 1 characterized in that a difference in elongation is partially formed by a pressing part (5) by a press between the two parts.
The method for producing the electrical iron core described above.
２）間に、ロールプレス（６）により部分的に伸びの差
を形成するようにしたことを特徴とする請求項１記載の
電機用鉄芯の製造方法。(4) As the second step, each tooth portion (
2. The method of manufacturing an iron core for electrical machinery according to claim 1, wherein a difference in elongation is partially formed between the two parts by a roll press (6).
２）間に、波形折曲部（８）を形成するようにしたこと
を特徴とする請求項１記載の電機用鉄芯の製造方法。(5) As the second step, each tooth portion (
2) The method for manufacturing an iron core for electrical machinery according to claim 1, characterized in that a corrugated bent portion (8) is formed between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16898888A JPH0223048A (en) | 1988-07-08 | 1988-07-08 | Manufacture of iron core for electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16898888A JPH0223048A (en) | 1988-07-08 | 1988-07-08 | Manufacture of iron core for electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0223048A true JPH0223048A (en) | 1990-01-25 |
Family
ID=15878270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16898888A Pending JPH0223048A (en) | 1988-07-08 | 1988-07-08 | Manufacture of iron core for electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223048A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567178U (en) * | 1992-01-31 | 1993-09-03 | 黒田精工株式会社 | Wound type stator core strip material |
| JPH1198774A (en) * | 1997-09-19 | 1999-04-09 | Mitsubishi Electric Corp | Manufacture of stator |
| EP1467470A2 (en) * | 2003-04-11 | 2004-10-13 | Denso Corporation | Rotor of rotary electric machine and method of manufacturing the rotor |
| JP2005269691A (en) * | 2004-03-16 | 2005-09-29 | Honda Motor Co Ltd | Stator core and its manufacturing process |
| JP2008048489A (en) * | 2006-08-11 | 2008-02-28 | Denso Corp | Rotor core for dynamo-electric machine |
| JP4932967B1 (en) * | 2011-01-28 | 2012-05-16 | 新日本製鐵株式会社 | Manufacturing method of spiral core for rotating electrical machine and manufacturing apparatus of spiral core for rotating electrical machine |
| JP2012135091A (en) * | 2010-12-20 | 2012-07-12 | Mitsui High Tec Inc | Laminated iron core and method for manufacturing the same |
| JP2013093932A (en) * | 2011-10-24 | 2013-05-16 | Nippon Steel & Sumitomo Metal | Strip-shaped metal plate for spiral core formation, spiral core for rotary electric machine and manufacturing method of spiral core |
| CN103191977A (en) * | 2013-04-10 | 2013-07-10 | 温州亚大双金属元件有限公司 | Electrical parts manufacturing process and forming device |
| US11303167B2 (en) | 2017-03-06 | 2022-04-12 | Mitsubishi Electric Corporation | Spirally wound laminated core for a rotary electric machine, method for manufacturing spirally wound laminated core of a rotary electric machine, and rotary electric machine |
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|---|---|---|---|---|
| JPS58195450A (en) * | 1982-05-10 | 1983-11-14 | Hokkai Bane Kk | Rotor for motor or generator and manufacture thereof |
| JPS60200746A (en) * | 1984-03-21 | 1985-10-11 | Mitsubishi Electric Corp | Manufacture of core of rotary electric machine |
| JPS62244249A (en) * | 1986-04-16 | 1987-10-24 | Hitachi Ltd | Manufacture of stator core for motor |
| JPS6380741A (en) * | 1986-09-24 | 1988-04-11 | Hitachi Ltd | Manufacture of stator core for motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58195450A (en) * | 1982-05-10 | 1983-11-14 | Hokkai Bane Kk | Rotor for motor or generator and manufacture thereof |
| JPS60200746A (en) * | 1984-03-21 | 1985-10-11 | Mitsubishi Electric Corp | Manufacture of core of rotary electric machine |
| JPS62244249A (en) * | 1986-04-16 | 1987-10-24 | Hitachi Ltd | Manufacture of stator core for motor |
| JPS6380741A (en) * | 1986-09-24 | 1988-04-11 | Hitachi Ltd | Manufacture of stator core for motor |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567178U (en) * | 1992-01-31 | 1993-09-03 | 黒田精工株式会社 | Wound type stator core strip material |
| JPH1198774A (en) * | 1997-09-19 | 1999-04-09 | Mitsubishi Electric Corp | Manufacture of stator |
| EP1467470A2 (en) * | 2003-04-11 | 2004-10-13 | Denso Corporation | Rotor of rotary electric machine and method of manufacturing the rotor |
| EP1467470A3 (en) * | 2003-04-11 | 2005-07-06 | Denso Corporation | Rotor of rotary electric machine and method of manufacturing the rotor |
| US7009322B2 (en) | 2003-04-11 | 2006-03-07 | Denso Corporation | Rotor of rotary electric machine and method of manufacturing the rotor |
| US7284314B2 (en) | 2003-04-11 | 2007-10-23 | Denso Corporation | Method of manufacturing rotor of rotary electric machine |
| JP2005269691A (en) * | 2004-03-16 | 2005-09-29 | Honda Motor Co Ltd | Stator core and its manufacturing process |
| JP2008048489A (en) * | 2006-08-11 | 2008-02-28 | Denso Corp | Rotor core for dynamo-electric machine |
| US9647517B2 (en) | 2009-10-07 | 2017-05-09 | Nippon Steel & Sumitomo Metal Corporation | Manufacturing method for helical core for rotating electrical machine and manufacturing device for helical core for rotating electrical machine |
| JP2012135091A (en) * | 2010-12-20 | 2012-07-12 | Mitsui High Tec Inc | Laminated iron core and method for manufacturing the same |
| JP4932967B1 (en) * | 2011-01-28 | 2012-05-16 | 新日本製鐵株式会社 | Manufacturing method of spiral core for rotating electrical machine and manufacturing apparatus of spiral core for rotating electrical machine |
| CN103329408A (en) * | 2011-01-28 | 2013-09-25 | 新日铁住金株式会社 | Manufacturing method for helical core for rotating electrical machine and manufacturing device for helical core for rotating electrical machine |
| KR101501862B1 (en) * | 2011-01-28 | 2015-03-12 | 신닛테츠스미킨 카부시키카이샤 | Manufacturing method for helical core for rotating electrical machine and manufacturing device for helical core for rotating electrical machine |
| WO2012101812A1 (en) * | 2011-01-28 | 2012-08-02 | 新日本製鐵株式会社 | Manufacturing method for helical core for rotating electrical machine and manufacturing device for helical core for rotating electrical machine |
| EP2670030A4 (en) * | 2011-01-28 | 2018-03-28 | Nippon Steel & Sumitomo Metal Corporation | Manufacturing method for helical core for rotating electrical machine and manufacturing device for helical core for rotating electrical machine |
| JP2013093932A (en) * | 2011-10-24 | 2013-05-16 | Nippon Steel & Sumitomo Metal | Strip-shaped metal plate for spiral core formation, spiral core for rotary electric machine and manufacturing method of spiral core |
| CN103191977A (en) * | 2013-04-10 | 2013-07-10 | 温州亚大双金属元件有限公司 | Electrical parts manufacturing process and forming device |
| CN103191977B (en) * | 2013-04-10 | 2015-09-09 | 温州亚大双金属元件有限公司 | A kind of electric parts manufacturing process and a kind of former |
| US11303167B2 (en) | 2017-03-06 | 2022-04-12 | Mitsubishi Electric Corporation | Spirally wound laminated core for a rotary electric machine, method for manufacturing spirally wound laminated core of a rotary electric machine, and rotary electric machine |
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