JPS62185450U - - Google Patents
Info
- Publication number
- JPS62185450U JPS62185450U JP7195986U JP7195986U JPS62185450U JP S62185450 U JPS62185450 U JP S62185450U JP 7195986 U JP7195986 U JP 7195986U JP 7195986 U JP7195986 U JP 7195986U JP S62185450 U JPS62185450 U JP S62185450U
- Authority
- JP
- Japan
- Prior art keywords
- bracket
- rotor hub
- cup
- rotor
- integrally fixed
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Brushless Motors (AREA)
Description
第１図は本考案によるスピンドルモータの構造
図、第２図は第１図の回転子をランジ２の底面か
ら見た詳細図、第３図はラビリンス部分の詳細図
、第４図は従来より実施されているスピンドルモ
ータの構造図である。
符号の説明、１：カツプ状回転子ハブ、２：回
転子ハブのフランジ、３：永久磁石、４：固転子
軸、５：固定子鉄芯、６：固定子巻線、７：軸受
、８：ブラケツト、９：取り付け用フランジ、１
０：閉塞部分、１１：回転子ハブのラビリンス用
小突起、１２：取り付け用フランジのラビリンス
用小突起。
Figure 1 is a structural diagram of the spindle motor according to the present invention, Figure 2 is a detailed diagram of the rotor in Figure 1 seen from the bottom of the flange 2, Figure 3 is a detailed diagram of the labyrinth part, and Figure 4 is a conventional FIG. 2 is a structural diagram of an implemented spindle motor. Explanation of symbols, 1: Cup-shaped rotor hub, 2: Rotor hub flange, 3: Permanent magnet, 4: Stator rotor shaft, 5: Stator core, 6: Stator winding, 7: Bearing, 8: Bracket, 9: Mounting flange, 1
0: Closed part, 11: Small protrusion for labyrinth on rotor hub, 12: Small protrusion for labyrinth on mounting flange.
Claims (1)
石を一体的に固着した回転子と、該回転子の内側
に永久磁石と空隙を介して対向配設された円筒形
の固定子と、該固定子を支承するブラケツトとよ
り成り、上記カツプ状の回転子ハブの底面に一体
的に固着された回転子軸を上記ブラケツト内に配
設した軸受により回転自在に支承した構成のスピ
ンドルモータに於て、上記ブラケツトの取り付け
用フランジ側に設けた軸受装着用の穴を塞ぐと共
に、上記カツプ状の回転子ハブの解放端に設けた
フランジと、上記ブラケツトと一体的に固着され
た取り付け用フランジとの夫々対向する面に円環
状の小突起を同心状に、かつ回転子ハブに設けた
フランジとブラケツトに設けたフランジとに夫々
交互にかつ狭い空隙を介して配設したことを特徴
とするスピンドルモータ。 A rotor in which a cylindrical permanent magnet is integrally fixed to the inside of a cup-shaped rotor hub, a cylindrical stator disposed inside the rotor facing the permanent magnet with a gap in between, In a spindle motor comprising a bracket for supporting a stator, a rotor shaft integrally fixed to the bottom surface of the cup-shaped rotor hub is rotatably supported by a bearing disposed within the bracket. The bearing mounting hole provided on the mounting flange side of the bracket is closed, and the flange provided at the open end of the cup-shaped rotor hub and the mounting flange integrally fixed to the bracket are closed. A spindle characterized in that small annular protrusions are arranged concentrically on opposing surfaces of the rotor hub and alternately on flanges provided on the rotor hub and flanges provided on the bracket with narrow gaps in between. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195986U JPS62185450U (en) | 1986-05-15 | 1986-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7195986U JPS62185450U (en) | 1986-05-15 | 1986-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62185450U true JPS62185450U (en) | 1987-11-25 |
Family
ID=30914977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7195986U Pending JPS62185450U (en) | 1986-05-15 | 1986-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62185450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014109576A1 (en) | 2013-07-11 | 2015-01-15 | Fanuc Corporation | Machine tool with sealing structure in the turntable |
-
1986
- 1986-05-15 JP JP7195986U patent/JPS62185450U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014109576A1 (en) | 2013-07-11 | 2015-01-15 | Fanuc Corporation | Machine tool with sealing structure in the turntable |
| JP2015016528A (en) * | 2013-07-11 | 2015-01-29 | ファナック株式会社 | Machine tool having sealing structure part in rotary part |
| US9709170B2 (en) | 2013-07-11 | 2017-07-18 | Fanuc Corporation | Machine tool including sealing structure in rotation unit |
| DE102014109576B4 (en) | 2013-07-11 | 2022-08-25 | Fanuc Corporation | Machine tool with sealing structure in the rotary unit |
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