JPS61294216A - Bearing for high speed rotor - Google Patents
Bearing for high speed rotorInfo
- Publication number
- JPS61294216A JPS61294216A JP13411985A JP13411985A JPS61294216A JP S61294216 A JPS61294216 A JP S61294216A JP 13411985 A JP13411985 A JP 13411985A JP 13411985 A JP13411985 A JP 13411985A JP S61294216 A JPS61294216 A JP S61294216A
- Authority
- JP
- Japan
- Prior art keywords
- balls
- ball
- bearing
- plate
- rotating body
- 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
Landscapes
- Support Of The Bearing (AREA)
- Centrifugal Separators (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、高速回転体用軸受に係り、回転体の回転性能
向上に好適な高速回転体用軸受に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a bearing for a high-speed rotating body, and more particularly, to a bearing for a high-speed rotating body suitable for improving the rotational performance of the rotating body.
従来のボール支持型高速回転体用軸受は、ボールと同数
の穴を設けたボール配列板と称する円板を有し、この穴
部にボールをセットすることにより複数個のボールの配
列を行なっていた。しかし、この構造においては、ボー
ルとボール配列板との摺動、さらにボール配列板を介し
てのボール間の運動拘束が生じ、回転体に異常振動が発
生した６〔発明の目的〕
本発明の目的は、回転体の異常振動を防止し、回転性能
上良好な高速回転体用軸受を提供することにある。Conventional ball-supported bearings for high-speed rotating bodies have a disc called a ball arrangement plate that has the same number of holes as balls, and multiple balls can be arranged by setting the balls in these holes. Ta. However, in this structure, sliding between the balls and the ball array plate, and motion restriction between the balls via the ball array plate occurred, causing abnormal vibrations in the rotating body.6 [Object of the Invention] The purpose is to provide a bearing for a high-speed rotating body that prevents abnormal vibrations of the rotating body and has good rotational performance.
従来のボール支持型高速回転体用軸受使用時に発生する
回転体の異常振動は、複数個のボールの配列を行なうボ
ール配列板とボールとの摺動およびボール配列板を介し
てのボール間の運動拘束に起因する。このため、ボール
配列板を使用せず、ボールの配列を行なう構造として、
軸受基礎板の各ボール対向部に磁石を設け、各ボールを
磁気吸引力により位置決め、配列するもので、本発明は
、高速回転体からのスラスト荷重およびラジアル荷重を
支持する可動板、可動板が径方向に運動可能な状態で可
動板よりのスラスト荷重を支持する複数個のボール、複
数個のボールを収納しボールからのスラスト荷重を支持
する溝または穴を有する軸受基礎板、可動板と回転体と
の接触部を潤滑し、かつ、可動板の径方向運動により粘
性による減衰力を発生させる軸受油、さらに、以上の軸
受要素を収納する軸受容器よりなる高速回転体用軸受に
おいて、軸受基礎板のボール対向部に磁石を取付け、ボ
ールと磁石との磁気吸引力により複数個のボールの配列
設定を行なうことを特徴とするものである。Abnormal vibrations of the rotating body that occur when using conventional ball-supported bearings for high-speed rotating bodies are caused by the sliding between the balls and the ball arrangement plate that arranges multiple balls, and the movement between the balls through the ball arrangement plate. Due to restraint. Therefore, as a structure for arranging balls without using a ball arranging board,
A magnet is provided on each ball facing part of the bearing base plate, and each ball is positioned and arranged by magnetic attraction force.The present invention has a movable plate that supports thrust loads and radial loads from a high-speed rotating body, and a movable plate that supports the thrust load and radial load from a high-speed rotating body. A plurality of balls that can move in the radial direction and support the thrust load from the movable plate, a bearing base plate that has grooves or holes that accommodate the multiple balls and support the thrust load from the balls, a movable plate and rotation. Bearings for high-speed rotating bodies consist of bearing oil that lubricates the contact part with the body and generates a damping force due to viscosity due to the radial movement of the movable plate, and a bearing for high-speed rotating bodies that houses the above bearing elements. A magnet is attached to the part of the plate that faces the balls, and the arrangement of a plurality of balls is set by the magnetic attraction between the balls and the magnet.
以下、本発明の一実施例を第１図および第２図により説
明する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
第１図において、回転体シャフト１は、可動板２により
支持されている。さらに、可動板２は、軸受基礎板３の
上に第２図に示す位相で配置された３個の磁性材より成
るボール４により支持されている。可動板２および軸受
基礎板３の中央部対向面には、２対の磁石５が可動板２
と軸受基礎板３に磁気吸引力を与える極性で取付けられ
ており、可動板のセンタリング機能、径方向バネの機能
および可動板の回転防止機能をはたしている。In FIG. 1, a rotating body shaft 1 is supported by a movable plate 2. As shown in FIG. Further, the movable plate 2 is supported by three balls 4 made of magnetic material arranged on the bearing base plate 3 in the phase shown in FIG. Two pairs of magnets 5 are mounted on opposing surfaces of the movable plate 2 and the bearing base plate 3 at the center thereof.
The bearing base plate 3 is attached with a polarity that provides a magnetic attraction force, and functions as a centering function of the movable plate, a function of a radial spring, and a function of preventing rotation of the movable plate.
軸受基礎板３には、ボール４と同位相の位置にボール位
置決め磁石６が設けられており、ボール４とボール位置
決め磁石６との磁気吸引力によりボール４の位置決めが
可能な構造となっている。A ball positioning magnet 6 is provided on the bearing base plate 3 at a position in the same phase as the ball 4, and the ball 4 can be positioned by the magnetic attraction between the ball 4 and the ball positioning magnet 6. .
さらに、可動板２とボール４および軸受基礎板３とボー
ル４の接触部には、ボール４のころがり抵抗を減少する
ため、各々、高硬度材より成る上レースプレート７、下
レースプレート８が取付けられている。ここで、下レー
スプレート８には、ボール位置決め磁石６とボール４と
の磁気吸引力をさまたげないよう、非磁性材を使用して
いる。Further, in order to reduce the rolling resistance of the balls 4, an upper race plate 7 and a lower race plate 8 made of high hardness material are attached to the contact areas between the movable plate 2 and the balls 4, and the bearing base plate 3 and the balls 4, respectively. It is being Here, a non-magnetic material is used for the lower race plate 8 so as not to interfere with the magnetic attraction between the ball positioning magnet 6 and the ball 4.
以上の軸受要素部品１〜８は、軸受容器９に収納されて
いる。軸受容１１９は、軸受油１ｏにより満されている
。軸受油１０は、回転体シャフト１と可動板２との接触
部の潤滑機能および、可動板２の径方向の運動に粘性抵
抗力を作用することによりダンピング機能をはたしてい
る。The above bearing element parts 1 to 8 are housed in a bearing receiver 9. The bearing 119 is filled with bearing oil 1o. The bearing oil 10 has a lubricating function for the contact portion between the rotating body shaft 1 and the movable plate 2, and a damping function by applying a viscous resistance force to the movement of the movable plate 2 in the radial direction.
本実施例によれば、従来のボール支持型高速回転体用軸
受において使用していたボール配列板を排することが可
能であり、ボール配列板に起因していた回転体の異常振
動を防止することが可能であ、る。According to this embodiment, it is possible to eliminate the ball array plate used in conventional ball-supported bearings for high-speed rotating bodies, thereby preventing abnormal vibrations of the rotating body caused by the ball array plates. Is possible.
本発明によれば、従来のボール支持型高速回転体用軸受
に使用していたボール配列板を排除することが可能とな
る。このため、ボール配列板とボールの摺動、ボール配
列板を介してのボール間のころがりの拘束に起因する回
転体の異常振動を防止できる効果がある。According to the present invention, it is possible to eliminate the ball array plate used in the conventional ball-supported bearing for a high-speed rotating body. Therefore, it is possible to prevent abnormal vibrations of the rotating body caused by sliding of the balls against the ball array plate and restraint of rolling between the balls via the ball array plate.
第１図は本発明の一実施例の高速回転体用軸受の縦断面
図、第２図は高速回転体用軸受のボール配置図で、第１
図のボールの位相を表わす説明図である。
１・・・回転体シャフト、２・・・可動板、３・・・軸
受基礎板、４・・・ボール、５・・・磁石、９・・・軸
受容器、１゜・・・軸受油。FIG. 1 is a longitudinal sectional view of a bearing for a high-speed rotating body according to an embodiment of the present invention, and FIG. 2 is a ball arrangement diagram of the bearing for a high-speed rotating body.
It is an explanatory diagram showing the phase of the ball of a figure. DESCRIPTION OF SYMBOLS 1... Rotating body shaft, 2... Movable plate, 3... Bearing base plate, 4... Ball, 5... Magnet, 9... Bearing receiver, 1°... Bearing oil.
Claims (1)
を支持する可動板、可動板が径方向に運動可能な状態で
可動板よりのスラスト荷重を支持する複数個のボール、
複数個のボールを収納しボールからのスラスト荷重を支
持する溝または穴を有する軸受基礎板、可動板と回転体
との接触部を潤滑し、かつ、可動板の径方向運動により
粘性による減衰力を発生させる軸受油、さらに、以上の
軸受要素を収納する軸受容器よりなる高速回転体用軸受
において、軸受基礎板のボール対向部に磁石を取付け、
ボールと磁石との磁気吸引力により複数個のボールの配
列設定を行なうことを特徴とする高速回転体用軸受。1. A movable plate that supports the thrust load and radial load from the high-speed rotating body; a plurality of balls that support the thrust load from the movable plate while the movable plate is movable in the radial direction;
A bearing base plate with grooves or holes that accommodates multiple balls and supports the thrust load from the balls, lubricates the contact area between the movable plate and the rotating body, and generates viscous damping force due to the radial movement of the movable plate. In a bearing for a high-speed rotating body consisting of a bearing oil that generates a
A bearing for a high-speed rotating body, characterized in that the arrangement of a plurality of balls is set by the magnetic attraction between the balls and a magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13411985A JPS61294216A (en) | 1985-06-21 | 1985-06-21 | Bearing for high speed rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13411985A JPS61294216A (en) | 1985-06-21 | 1985-06-21 | Bearing for high speed rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61294216A true JPS61294216A (en) | 1986-12-25 |
Family
ID=15120903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13411985A Pending JPS61294216A (en) | 1985-06-21 | 1985-06-21 | Bearing for high speed rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61294216A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1659435A1 (en) * | 2004-11-19 | 2006-05-24 | Tamron Co., Ltd. | Parallel movement apparatus, actuator, lens unit and camera having the same |
| JP2006215122A (en) * | 2005-02-02 | 2006-08-17 | Sigma Corp | Image blur preventing device |
-
1985
- 1985-06-21 JP JP13411985A patent/JPS61294216A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1659435A1 (en) * | 2004-11-19 | 2006-05-24 | Tamron Co., Ltd. | Parallel movement apparatus, actuator, lens unit and camera having the same |
| JP2006215122A (en) * | 2005-02-02 | 2006-08-17 | Sigma Corp | Image blur preventing device |
| JP4602780B2 (en) * | 2005-02-02 | 2010-12-22 | 株式会社シグマ | Image blur prevention device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0392500B1 (en) | Spindle motor | |
| US5358339A (en) | Hydrodynamic fluid bearing with liquid-radial bearing and gas-thrust bearing | |
| US4683505A (en) | Alternately centered disk pack assembly and method | |
| JPH03128650A (en) | Spindle motor | |
| US6081057A (en) | Spindel motor for a disc drive | |
| US5252871A (en) | Roller thrust bearing structure for spindle shaft | |
| US6483215B1 (en) | Hybrid air/fluid bearing | |
| JP2599707B2 (en) | Magnetic disk device | |
| JPS61294216A (en) | Bearing for high speed rotor | |
| JPH09317755A (en) | Bearing device and spindle motor for magnetic recorder using this bearing device | |
| JPH034145Y2 (en) | ||
| JPS60237218A (en) | Vibration isolating unit for rotor | |
| JPH10318254A (en) | Pre-load giving device for bearing | |
| KR100207987B1 (en) | Hemispherical bearing system using magnetic material | |
| JPH0781585B2 (en) | Bearing device | |
| JPH03157513A (en) | Bearing structure | |
| JPS59188351A (en) | Dynamic pressure type bearing motor | |
| JPH102329A (en) | Bearing device | |
| JPS6275122A (en) | Rotary shaft supporting device of vertical high-speed rotor | |
| JPS60125435A (en) | Damping device for revolving body | |
| JPH04337110A (en) | Magnetic bearing | |
| JPS6212093Y2 (en) | ||
| JPH11201153A (en) | Rotating machine | |
| JPH0757079B2 (en) | Spindle motor | |
| JPS6132726B2 (en) |