JPS63228945A - Manufacture of electrical rotary machine stator core - Google Patents
Manufacture of electrical rotary machine stator coreInfo
- Publication number
- JPS63228945A JPS63228945A JP6297987A JP6297987A JPS63228945A JP S63228945 A JPS63228945 A JP S63228945A JP 6297987 A JP6297987 A JP 6297987A JP 6297987 A JP6297987 A JP 6297987A JP S63228945 A JPS63228945 A JP S63228945A
- Authority
- JP
- Japan
- Prior art keywords
- stator core
- holes
- caulking
- cooling
- stator
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000004080 punching Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000002788 crimping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- 241000320892 Clerodendrum phlomidis Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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】
〔産業上の利用分野〕
この発明は、固定子鉄心の外周面に外気で直接冷却する
冷却用凹凸を有する固定子鉄心の製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method of manufacturing a stator core having cooling irregularities on the outer peripheral surface of the stator core for direct cooling with outside air.
従来、この種の回転電機としては、固定子鉄心抜板を積
層し、この鉄心抜板内周部に設けたスロー’Ｊトに所定
の巻線を施した固定子と、この固定子の内周側に対向す
るように配設された回転子と、この回転子に配置された
永久磁石材料と力）ら構成されている。Conventionally, this type of rotating electric machine has a stator in which punched stator cores are laminated, a prescribed winding is applied to a throat provided on the inner periphery of the punched core, and It consists of a rotor arranged to face each other on the circumferential side, a permanent magnet material arranged on this rotor, and a force.
その用途として産業用ロボ・・・ト駆動用、或いは、工
作機械の駆動用として用いられる場合が多いので用途面
から小形、軽量化が強く要望されている。Since they are often used to drive industrial robots or machine tools, there is a strong demand for them to be smaller and lighter.
七〇て゛、ＬｇＩ紘電機外郭構造物であるフレームを使
用せず固定子鉄心外周を直接外気で冷却するフレームレ
ス構造（ζするのが冷却効率もよく、外形寸法上も有利
である。しっ）シ、フレームレス構造にして、固定子鉄
心の外周面に冷却用凹凸を設けると固定子鉄心の両端部
に取付ける負荷側ブラダ・・・トと反負荷側ブラダ・・
・トの取付けが困難となる。70th, LgI Kodenki has developed a frameless structure in which the outer periphery of the stator core is directly cooled by outside air without using a frame. ) If you use a frameless structure and provide cooling unevenness on the outer circumferential surface of the stator core, the load side bladder and anti-load side bladder that are attached to both ends of the stator core.
・It becomes difficult to install the
子
従来の回転電機の固焚心は、固定子鉄心の両端部に、上
記両フラケ・・・トの位置決め嵌合部を設けるための端
板を溶接することが必要であり、構成部材も増加し製造
工程も複雑化するという問題点があった。In the conventional fixed core of rotating electric machines, it is necessary to weld end plates to both ends of the stator core to provide positioning fitting parts for both brackets, which increases the number of component parts. However, there was a problem in that the manufacturing process was also complicated.
この発明は、上記のような問題点を解消するためになさ
れｔこもので、負荷側ブラダ、・・ト及び、反負荷側ブ
ラダ、・・トの位置決めと取付けが容易に出来る固定子
鉄心を製造する回転電機の固定子鉄心製造方法を得るこ
とを目的とする。This invention was made in order to solve the above-mentioned problems, and it is possible to manufacture a stator core that allows easy positioning and installation of the load-side bladder,..., and the counter-load-side bladder,... The purpose of this invention is to obtain a method for manufacturing a stator core for a rotating electric machine.
この発明に係る回転電機の固定子鉄心製造方法は、複数
の固定子鉄心抜板を積層して形成された固定子鉄心の外
周面を、外気で直接冷却するフレームレス構造の回転電
機の固定子鉄心にη）かり、固定子鉄心の主要部を占め
る固定子鉄心抜板の外周面に冷却用凹凸を設けて、複数
枚積層した固定子鉄心と、この固定子鉄心の両端部には
、上記固定子鉄心抜板の外径寸法と異なる冷却用凹凸の
ない固定子鉄心抜板を複数枚積層して構成し、かつ固定
子鉄心を構成する相隣り合う固定子鉄心抜板に、かしめ
用突起とかしめ用穴を設けて、かしめ用穴にかしめ用突
起を加圧嵌合して積層固着し、固定子鉄心を製造する方
法において、固定子鉄心のスロ・リド溝を抜く工程と、
固定子鉄心の内径を抜く工程と、積層固着する固定子鉄
心の分離用穴を抜く工程と、かしめ用穴とη）しめ用突
起を形成する工程と、固定子鉄心の冷却用凹凸の凸部を
除去する穴抜きを選択的に行う工程と、冷却用凹凸形状
の固定子鉄心の外形抜きと、上記かしめ用穴にかしめ用
突起を加圧嵌合して積層固着する工程とから成るように
したものである。The method for manufacturing a stator core for a rotating electrical machine according to the present invention is a stator for a rotating electrical machine having a frameless structure in which the outer peripheral surface of a stator core formed by stacking a plurality of stator core punches is directly cooled with outside air. The stator core is laminated with cooling unevenness provided on the outer circumferential surface of the stator core punched plate, which occupies the main part of the stator core, and the stator core is laminated with the above-mentioned stator core. It is constructed by laminating a plurality of stator core punches without cooling irregularities that differ from the outer diameter dimension of the stator core punches, and the adjacent stator core punches that make up the stator core are provided with protrusions for caulking. In a method of manufacturing a stator core by providing a caulking hole, pressurizingly fitting a caulking protrusion into the caulking hole and laminating and fixing the stator core, a step of removing slots and lid grooves in the stator core;
A step of removing the inner diameter of the stator core, a step of removing a hole for separating the laminated stator core, a step of forming a hole for caulking and a protrusion for caulking, and a convex portion of the cooling unevenness of the stator core. This process consists of a step of selectively punching out holes to remove the stator core, a step of punching out the outer shape of the stator core having an uneven cooling shape, and a step of pressurizingly fitting caulking protrusions into the caulking holes and laminating and fixing them. This is what I did.
この発明における固定子鉄心抜板は、両端部に積層する
固定子鉄心抜板の冷却用凹凸の凸部を除去する穴抜きを
選択的に行う工程を設けたものであり、このため、両端
部の固定子鉄心の外周には、上記の両フラケ・・・トを
容易に嵌合させることが出来るようになる。The stator core punching in this invention includes a step of selectively punching holes to remove the protrusions of the cooling unevenness of the stator core punching laminated on both ends. Both of the above-mentioned brackets can be easily fitted onto the outer periphery of the stator core.
以下、この発明の一実施例により製造された回転電機を
第１図〜第６図により説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS A rotating electric machine manufactured according to an embodiment of the present invention will be explained below with reference to FIGS. 1 to 6.
第１図において、（１）は反負荷側フラケリト、（２）
は負荷側ブラダ・リドであって、この負荷側フラケ−，
ト（２）及び上記反負荷側フラケ、−，ト（１）の軸受
部（１１及び（２ａ）には、軸受（３）が嵌着され回転
軸（４）を軸支している。In Figure 1, (1) is the anti-load side fracelite, (2)
is the load side bladder lid, and this load side flake,
A bearing (3) is fitted into the bearing portions (11 and (2a)) of G (2) and the counter-load side plate, -, G (1), and pivotally supports the rotating shaft (4).
（５）は固定子で上記反負荷側ブラダ、・、 ト（１）
及び負荷側ブラダ、・・ト（２）により挾持されボルト
によって固定されると共にこの固定子（５）には、固定
子コイル（６）が装着されている。（７）は固定子鉄心
であって、薄い電気鋼板をプレス抜きした外周面に、冷
却用凹凸（７Ｂ’）を設けた固定子鉄心抜板（７ａ）を
複数枚積層し、その両端部には、外周面に冷却用凹凸（
７Ｂ’）を設けない固定子鉄心抜板（７ｂ）を複数枚づ
つ積層して形成されている。(5) is the stator and the above-mentioned anti-load side bladder... (1)
and the load-side bladder... are held by the stator (2) and fixed with bolts, and a stator coil (6) is attached to the stator (5). (7) is a stator core, in which a plurality of stamped stator core plates (7a) with cooling unevenness (7B') are stacked on the outer circumferential surface of a pressed thin electrical steel plate, and both ends of the stator core blanks (7a) are laminated. has cooling unevenness on the outer circumferential surface (
It is formed by stacking a plurality of stator core blanks (7b) without the stator core (7B').
第２図〜８６図において（８）は各々の固定子鉄心抜板
（７１（７ｈ）にプレス成形されたかしめ用突起、（９
）はかしめ用穴であり、固定子鉄心（７）の外周近傍に
位置している。そして、上記固定子鉄心（７）は隣接す
る固定子鉄心抜板（７Ｂ）（７ｈ）のかしめ用突起（８
）かっ）しめ用穴（９）に順次嵌合するように加圧積層
して形成されている。In Figs. 2 to 86, (8) indicates the caulking protrusion press-formed on each stator core punched plate (71 (7h), (9)
) is a caulking hole located near the outer periphery of the stator core (7). The stator core (7) is attached to the caulking protrusion (8) of the adjacent stator core punched (7B) (7h).
)) They are formed by laminating under pressure so as to sequentially fit into the tightening holes (9).
従って、各固定子鉄心抜板（７Ｂ）（７ｂ）は、かしめ
用突起（８）とかしめ用穴（９）とにより、一体となり
、第１図に示す固定子鉄心（７）を構成している。Therefore, each of the stator core punches (7B) (7b) is integrated with the caulking projection (8) and the caulking hole (9) to form the stator core (7) shown in FIG. There is.
尚、固定子鉄心の固定方法を第１図〜第６図により詳述
すると、上記固定子鉄心（７）の両端部に積層されてい
る冷却用凹凸（７ａ’）を設けない固定子鉄心抜板（７
ｈ）の外周の円形部（７ｈ’）は反負荷側ブラダ・・・
ト（１）の嵌合部（１ｈ）と、負荷側フラケー・ト（２
）の嵌合部（２ｂ）とに、それぞれ嵌合挾持され、ポル
］・によって固定されている。The method of fixing the stator core is explained in detail with reference to FIGS. 1 to 6. The stator core is removed without the cooling unevenness (7a') laminated on both ends of the stator core (7). Board (7
The circular part (7h') on the outer periphery of h) is the anti-load side bladder...
The fitting part (1h) of the plate (1) and the load side flat plate (2)
) and are respectively fitted and held by the fitting portions (2b) and fixed by the pins.
αＯは回転子で、この回転子ａＯの外周はフェライト、
アルニス。希土類磁石などの永久磁石材料が配設され、
永久磁石（ロ）を形成している。αO is a rotor, and the outer circumference of this rotor aO is ferrite,
Arnis. Permanent magnetic materials such as rare earth magnets are arranged,
It forms a permanent magnet (b).
次に、この発明による鉄心抜型の一実施例を第７図〜角
８図により説明する。Next, an embodiment of the core punching die according to the present invention will be described with reference to FIGS. 7 to 8.
図において、（２）は固定子鉄心を順次打抜きする帯状
鋼板、＠は帯状鋼板αυを図中矢印〔Ａ〕の方向に送る
時に、この帯状鋼板συが、所要寸法で正確に次の後工
程に力）かるようにするために設けられたパイロ−ノド
穴、（２）はスロ・ノド穴、α４は固定子鉄心の内径、
（２）は固定子鉄心の冷却用凹凸除去穴、（９ａ）はか
しめ用穴、（８）はρ）しめ用突起、Ｏｅｊは冷却用凹
凸を有する固定子鉄心外形である。In the figure, (2) is a steel strip from which the stator core is punched out one after another, and @ is a steel strip αυ that is sent in the direction of the arrow [A] in the figure. (2) is the slot throat hole, α4 is the inner diameter of the stator core,
(2) is a cooling unevenness removal hole of the stator core, (9a) is a caulking hole, (8) is ρ) a caulking protrusion, and Oej is a stator core outer shape having cooling unevenness.
次に動作について説明する。まず、帯状鋼板（９）を図
中矢印〔Ａ）方向にパイロ、・ノド穴＠をパイロ、・・
トで位置決めして、間欠的に送りつつ、スロット穴＠、
固定子鉄心の内径α４の打抜きを行う。Next, the operation will be explained. First, pyro the strip steel plate (9) in the direction of the arrow [A] in the figure.Pyro the throat hole @.
Position the slot hole @, while feeding intermittently.
Punch out the stator core to have an inner diameter α4.
次に、固定子鉄心の冷却用凹凸除去穴明の打抜きを行う
が、この冷却用凹凸除去穴（至）は固定子鉄心（７）の
両端部に積層する外周面に冷却用凹凸（７ａ’）を設け
ない固定子鉄心抜板（７ｂ）ｋ打抜きする時にのみ、第
８図に示すような板カムα力を駆動装置で作動させるこ
とにより冷却用凹凸除去穴Ｑυを打抜きするパンチ（至
）を打抜き可能な刃物出代まで移動させて打抜きを行う
。Next, holes are punched out to remove cooling unevenness in the stator core, and these cooling unevenness removing holes (7a' ) Only when punching a stator core without a punch (7b) k, a punch (to) punches a cooling unevenness removal hole Qυ by operating the plate cam α force with a drive device as shown in Fig. 8. The blade is moved to a point where the blade can be punched out, and punching is performed.
次に、η）しめ用穴（９ａ）の打抜きを行うが、かじて
用穴（９）は固定子鉄心（７）をかしめ用突起（８）と
かしめ用穴（９ａ）とを加圧嵌合し、積層固着して構成
する際、相隣接して積層される固定子鉄心を分離させる
ためのものであり、このかしめ用（９ａ）も上記冷却用
凹凸穴αＱを打抜きするパンチ（至）と同様、かしめ用
穴（９ａ）を打抜くパンチは、相隣接する固定子鉄心（
７）の分離面に相当する固定子鉄心抜板にのみ板カムを
作動させ、かしめ用穴（９ａ）の打抜き可能″なパンチ
出代まで移動させて打抜きを行う。Next, η) Punch holes (9a) for caulking. This is to separate the stator cores that are stacked adjacent to each other when the stator cores are assembled and laminated and fixed, and this caulking (9a) is also a punch (to) for punching out the uneven cooling holes αQ. Similarly, the punch for punching the caulking hole (9a) should be used to punch the adjacent stator core (
The plate cam is actuated only for punching the stator core corresponding to the separation surface in step 7), and punching is performed by moving the plate cam to a punch extension that allows punching of the caulking hole (9a).
次の工程では、力）シめ用穴（９）とかしめ用突起（３
）を同時に形成する。In the next process, the force) crimping hole (9) and crimping protrusion (3)
) are formed simultaneously.
最終工程では、固定子鉄心抜板（７ａ）の外形Ｍの打抜
きを行うと同時に、固定子鉄心抜板（７ａ）及び（７ｈ
）に形成し１こかしめ用穴（９）にかしめ用突起（８）
を加圧嵌合し、固定子鉄心（７）を構成オろが、固定子
鉄心（７）の両端部に積層する複数枚の冷却用凹凸除去
穴（至）を打抜きした固定子鉄心抜板（７ｂ）は、外周
の円形部（７ｂ’）が打抜７３＞れるのみで、積Ｎ固着
される。In the final process, stator core punching (7a) and (7h
) and a crimping protrusion (8) in the crimping hole (9).
The stator core (7) is formed by press-fitting the stator core (7), and the stator core (7) is punched with a plurality of holes for removing unevenness for cooling, which are laminated on both ends of the stator core (7). In (7b), the circular part (7b') on the outer periphery is simply punched out and the product N is fixed.
なお、この実施例では回転子に永久磁石を使用している
ものについて説明したが、回転子は、かご形構造等であ
ってもよい、
又、固定子鉄心（７ンを上記フラケーＪト（１）と（２
）に嵌合挾持する固定子鉄心抜板（７ｈ）の外周（７ｂ
つは、プレス加工されたままの状態で使用してもよいし
、積層した状態で削り加工してもよい。In this example, the rotor uses permanent magnets, but the rotor may have a squirrel-cage structure or the like. 1) and (2
) The outer periphery (7b
One may be used in the pressed state, or may be machined in a laminated state.
以上のように、この発明によれば、固定子鉄心の外周部
に冷却用凹凸を有するフレームレス構造の回転電機の固
定子鉄心を固定子鉄心抜型で積層固着して製造出来るよ
うにしたので、フレームレス構造の固定子鉄心の製造工
程が短縮されると共に、構成部材も減り、製品精度の高
い固定子鉄心が得られる効果がある。As described above, according to the present invention, the stator core of a frameless rotating electric machine having cooling unevenness on the outer periphery of the stator core can be manufactured by laminating and fixing it with a stator core punching die. The manufacturing process of a stator core with a frameless structure is shortened, the number of constituent members is reduced, and a stator core with high product precision can be obtained.
第１図−第８図は、この発明の一実施例を説明するため
のもので、第１図はこの発明の一実施例の回転電機の半
断面図、第２図は冷却用凹凸を設けた固定子鉄心抜板、
第８図は第２図における■−■線による固定子鉄心抜板
の断面図、第４図は冷却用凹凸を設けない固定子鉄心抜
板、第５図は第４図におけるＶ−Ｖ線による固定子鉄心
抜板の断面図、第６図は第２図、第４図による固定子鉄
心抜板の積層断面図、第７図は鉄心抜型による打抜き工
程図、第８図は固定子鉄心抜板のかしめ用穴ζζかしめ
用突起を加圧嵌合に用いられる駆動装置のパンチ駆動部
を示す断面図である。
図において、（５）は固定子、（７）は固定子鉄心、（
７ａ）（７ｂ）は固定子鉄心抜板、（３）はかしめ用突
起、（９）＜９１Ｌノはかしめ用穴、（ロ）は帯状鋼板
、（至）はスロ・ノド穴、Ｑ勾は固定子鉄心の内径、０
５ｉは冷却用凹凸除去穴、ＱＢは固定子鉄心抜板の外形
である。
なお、図中、同一符号は同一、または相当部分を示す。Figures 1 to 8 are for explaining one embodiment of the present invention. Figure 1 is a half-sectional view of a rotating electric machine according to an embodiment of the present invention, and Figure 2 is a diagram showing the provision of cooling unevenness. stator core punched,
Figure 8 is a sectional view of the stator core punched along the line ■-■ in Figure 2, Figure 4 is the stator core punched without cooling unevenness, and Figure 5 is the line V-V in Figure 4. Figure 6 is a cross-sectional view of the stator core punched according to Figures 2 and 4, Figure 7 is a diagram of the punching process using a core punching die, Figure 8 is the stator core punched. FIG. 3 is a cross-sectional view showing a punch drive unit of a drive device used for press-fitting a caulking projection into a caulking hole ζζ of a punched plate. In the figure, (5) is the stator, (7) is the stator core, (
7a) (7b) are punched stator cores, (3) are caulking protrusions, (9) <91L are caulking holes, (b) are strip steel plates, (to) are slot/throat holes, and Q is Inner diameter of stator core, 0
5i is the hole for removing unevenness for cooling, and QB is the outer shape of the stator core punched. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
の外周面を、外気で直接冷却するフレームレス構造の回
転電機の固定子鉄心にかかり、固定子鉄心の主要部を占
める固定子鉄心抜板の外周面に冷却用凹凸を設けて、複
数枚積層した固定子鉄心と、この固定子鉄心の両端部に
は、上記固定子鉄心抜板の外径寸法と異なる冷却用凹凸
のない固定子鉄心抜板を複数枚積層して構成し、かつ固
定子鉄心を構成する相隣り合う固定子鉄心抜板に、かし
め用突起とかしめ用穴を設けて、かしめ用穴にかしめ用
突起を加圧嵌合して積層固着し、固定子鉄心を製造する
方法において、固定子鉄心のスロット溝を抜く工程と、
固定子鉄心の内径を抜く工程と、積層固着する固定子鉄
心の分離用穴を抜く工程と、かしめ用穴とかしめ用突起
を形成する工程と、固定子鉄心の冷却用凹凸の凸部を除
去する穴抜きを選択的に行う工程と、冷却用凹凸形状の
固定子鉄心の外形抜きと、上記かしめ用穴にかしめ用突
起を加圧嵌合して積層固着する工程とから成ることを特
徴とする回転電機の固定子鉄心製造方法。A stator that covers the main part of the stator core of a rotating electric machine with a frameless structure in which the outer circumferential surface of the stator core, which is formed by laminating multiple stator core blanks, is directly cooled with outside air. A stator core in which cooling unevenness is provided on the outer peripheral surface of the punched core, and a plurality of stator cores are laminated, and both ends of this stator core have no cooling unevenness that differs from the outer diameter dimension of the stator core punched. The stator core is constructed by laminating a plurality of stator core punches, and adjacent stator core punches constituting the stator core are provided with caulking protrusions and caulking holes, and caulking protrusions are provided in the caulking holes. In a method of manufacturing a stator core by press-fitting and laminating and fixing, a step of removing slot grooves in the stator core;
The process of removing the inner diameter of the stator core, the process of removing the separation holes in the laminated and fixed stator cores, the process of forming caulking holes and caulking protrusions, and the removal of the convex portions of the cooling irregularities of the stator core. a step of selectively punching out holes for cooling, a step of punching out the outer shape of the stator core having an uneven shape for cooling, and a step of press-fitting caulking protrusions into the caulking holes and laminating and fixing them. A method for manufacturing a stator core for rotating electric machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62062979A JPH07101980B2 (en) | 1987-03-18 | 1987-03-18 | Method for manufacturing stator core of rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62062979A JPH07101980B2 (en) | 1987-03-18 | 1987-03-18 | Method for manufacturing stator core of rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63228945A true JPS63228945A (en) | 1988-09-22 |
| JPH07101980B2 JPH07101980B2 (en) | 1995-11-01 |
Family
ID=13215984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62062979A Expired - Fee Related JPH07101980B2 (en) | 1987-03-18 | 1987-03-18 | Method for manufacturing stator core of rotating electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07101980B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05336710A (en) * | 1992-05-29 | 1993-12-17 | Oriental Motor Co Ltd | Manufacture of motor |
| JP2002044913A (en) * | 2000-07-24 | 2002-02-08 | Mitsubishi Electric Corp | Stator for startup motor |
| JP2012161139A (en) * | 2011-01-31 | 2012-08-23 | Jfe Steel Corp | Motor core having small deterioration in iron loss under compressive stress and method of manufacturing the same |
| CN105081057A (en) * | 2014-05-12 | 2015-11-25 | 株式会社三井高科技 | Method and apparatus of manufacturing laminated iron core |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101902U (en) * | 1976-01-30 | 1977-08-02 |
-
1987
- 1987-03-18 JP JP62062979A patent/JPH07101980B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101902U (en) * | 1976-01-30 | 1977-08-02 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05336710A (en) * | 1992-05-29 | 1993-12-17 | Oriental Motor Co Ltd | Manufacture of motor |
| JP2002044913A (en) * | 2000-07-24 | 2002-02-08 | Mitsubishi Electric Corp | Stator for startup motor |
| JP2012161139A (en) * | 2011-01-31 | 2012-08-23 | Jfe Steel Corp | Motor core having small deterioration in iron loss under compressive stress and method of manufacturing the same |
| CN105081057A (en) * | 2014-05-12 | 2015-11-25 | 株式会社三井高科技 | Method and apparatus of manufacturing laminated iron core |
| JP2015216785A (en) * | 2014-05-12 | 2015-12-03 | 株式会社三井ハイテック | Method and apparatus for manufacturing laminated iron core |
| US10040111B2 (en) | 2014-05-12 | 2018-08-07 | Mitsui High-Tec, Inc. | Method of manufacturing laminated iron core |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07101980B2 (en) | 1995-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2309621B1 (en) | Method for producing iron core and device for producing iron core | |
| EP3093964B1 (en) | Method for manufacturing workpiece and method for manufacturing laminated core | |
| JP6080654B2 (en) | Rotating electrical machine rotor, rotating electrical machine, and method for manufacturing rotor laminated core | |
| US5255425A (en) | Method of manufacturing laminated core for dynamo-electric machine | |
| JP2002209349A (en) | Rotor of permanent magnet type rotating electric machine | |
| JP2013090386A (en) | Method of manufacturing core for dynamo-electric machine, and core plate punching device | |
| CN105471196B (en) | The manufacturing method and manufacturing device of laminated core | |
| JP6834899B2 (en) | Manufacturing method of rotary electric core | |
| JP2015107013A (en) | Method for punching iron core piece used for laminated iron core | |
| JP3569336B2 (en) | Method for manufacturing stator of synchronous motor | |
| JP2003153503A (en) | Manufacturing method for motor core | |
| JP3964306B2 (en) | Method for manufacturing stator laminated iron core of electric motor | |
| WO2019049486A1 (en) | Stator core manufacturing method, motor provided with stator core manufactured by stator core manufacturing method, stator core manufacturing device, and method for manufacturing stacked member | |
| JP2556776B2 (en) | Manufacturing method of laminated core for stator of electric motor | |
| JP5277514B2 (en) | Method for manufacturing rotor core with magnet of rotating electrical machine | |
| JPS63228945A (en) | Manufacture of electrical rotary machine stator core | |
| JPH06133501A (en) | Laminated stator core for motor and manufacture thereof | |
| CN111864925B (en) | Method and apparatus for manufacturing split type core of stator core | |
| JPH0518655B2 (en) | ||
| JP2592368B2 (en) | Laminated mold device for laminated iron core for motor stator | |
| JPH04372552A (en) | Laminated core for stator of motor | |
| JPH073253U (en) | Rotating electric machine iron core | |
| JPH07231587A (en) | Magnetic member for electric rotating machine | |
| JP2006217718A (en) | Laminated core and its manufacturing method | |
| JP2002325402A (en) | Method and device for manufacturing laminated iron core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |