JPH01149018U - - Google Patents
Info
- Publication number
- JPH01149018U JPH01149018U JP4543088U JP4543088U JPH01149018U JP H01149018 U JPH01149018 U JP H01149018U JP 4543088 U JP4543088 U JP 4543088U JP 4543088 U JP4543088 U JP 4543088U JP H01149018 U JPH01149018 U JP H01149018U
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- magnetic bearing
- sensor coil
- main body
- floating position
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図はこの考案の一実施例の外観斜視図と概
略ブロツク図である。第２図は第１図に示した同
調回路の電気回路図である。第３図はこの考案の
その他の実施例を示す縦断面図である。
図において、２は回転軸体、８はスラスト磁気
軸受、９はモータ、１０，２０はラジアル磁気軸
受、１４Ｘ，２４ＸはＸ軸用位置センサコイル、
１４Ｙ，２４ＹはＹ軸用位置センサコイル、３０
，４０はＸ軸用制御回路、５０，６０は同調回路
、５２はコンデンサ、５３は高周波発振回路、５
４は検波部、５５はローパスフイルタ、８０は本
体、９０は基板、９１，９２は弾性体を示す。
FIG. 1 is an external perspective view and a schematic block diagram of an embodiment of this invention. FIG. 2 is an electrical circuit diagram of the tuning circuit shown in FIG. 1. FIG. 3 is a longitudinal sectional view showing another embodiment of this invention. In the figure, 2 is a rotating shaft body, 8 is a thrust magnetic bearing, 9 is a motor, 10 and 20 are radial magnetic bearings, 14X and 24X are X-axis position sensor coils,
14Y, 24Y are Y-axis position sensor coils, 30
, 40 is an X-axis control circuit, 50 and 60 are tuning circuits, 52 is a capacitor, 53 is a high frequency oscillation circuit, 5
4 is a detection section, 55 is a low-pass filter, 80 is a main body, 90 is a substrate, and 91 and 92 are elastic bodies.
Claims (1)
スピンドルと、前記磁気軸受の近傍に配置され、
前記スピンドルの浮上位置を検出するためのセン
サコイルとを本体に備えた磁気軸受スピンドルに
おいて、 前記センサコイルに高周波電流を流すとともに
、前記センサコイルから出力される浮上位置に対
応した電圧を検波して出力する同調回路を前記本
体に取付けたことを特徴とする、磁気軸受スピン
ドル。[Claims for Utility Model Registration] A spindle supported while being magnetically levitated by a magnetic bearing, and a spindle disposed near the magnetic bearing,
In a magnetic bearing spindle that includes a sensor coil in its main body for detecting the floating position of the spindle, a high-frequency current is passed through the sensor coil, and a voltage corresponding to the floating position output from the sensor coil is detected. A magnetic bearing spindle, characterized in that an output tuning circuit is attached to the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4543088U JPH056418Y2 (en) | 1988-04-04 | 1988-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4543088U JPH056418Y2 (en) | 1988-04-04 | 1988-04-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01149018U true JPH01149018U (en) | 1989-10-16 |
| JPH056418Y2 JPH056418Y2 (en) | 1993-02-18 |
Family
ID=31271741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4543088U Expired - Lifetime JPH056418Y2 (en) | 1988-04-04 | 1988-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH056418Y2 (en) |
-
1988
- 1988-04-04 JP JP4543088U patent/JPH056418Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH056418Y2 (en) | 1993-02-18 |
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