JPH03120356U - - Google Patents
Info
- Publication number
- JPH03120356U JPH03120356U JP3031490U JP3031490U JPH03120356U JP H03120356 U JPH03120356 U JP H03120356U JP 3031490 U JP3031490 U JP 3031490U JP 3031490 U JP3031490 U JP 3031490U JP H03120356 U JPH03120356 U JP H03120356U
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- target
- position sensor
- detecting
- rotation speed
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Machine Tool Sensing Apparatuses (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
第１図は本考案に係るスピンドル装置の縦断面
図、第２図は第１図に示す−線断面図、第３
図は本考案に係るスピンドル装置の電気回路部分
を示すブロツク図、第４図は第３図に示すブロツ
ク図で処理された各波形を説明する説明図、第５
図はＦ／Ｖ変換器の特性図である。
２……高周波スピンドルモータ、３……ロータ
、５……スピンドルクイル、６……スピンドル、
７……ターゲツト、７ａ……検出端、９ａ，９ｂ
……Ｘ軸用位置センサ、１０ａ，１０ｂ……Ｙ軸
用位置センサ、１５……交流増幅器、１７……同
期検波器、１８……ローパスフイルタ、１９……
波形整形器、２０……Ｆ／Ｖ変換器。
FIG. 1 is a longitudinal cross-sectional view of a spindle device according to the present invention, FIG. 2 is a cross-sectional view taken along the line shown in FIG. 1, and FIG.
The figure is a block diagram showing the electric circuit part of the spindle device according to the present invention, FIG. 4 is an explanatory diagram explaining each waveform processed in the block diagram shown in FIG. 3, and FIG.
The figure is a characteristic diagram of the F/V converter. 2... High frequency spindle motor, 3... Rotor, 5... Spindle quill, 6... Spindle,
7...Target, 7a...Detection end, 9a, 9b
... X-axis position sensor, 10a, 10b ... Y-axis position sensor, 15 ... AC amplifier, 17 ... Synchronous detector, 18 ... Low-pass filter, 19 ...
Waveform shaper, 20...F/V converter.
Claims (1)
してなるスピンドルと、 上記スピンドルクイルの外周一部を囲繞して一
体に形成されるとともに、奇数個の検出端を有す
るターゲツトと、 上記ターゲツトの検出端に対向する位置に各々
配設されるとともに、上記ターゲツトの外周と間
隙をおいて設けられた一対の位置センサと、 上記位置センサからの出力に基いて上記スピン
ドルクイルの撓み量を検出する撓み検出手段と、 上記位置センサからの出力に基づいて上記スピ
ンドルの回転数を検出する回転数検出手段と、 からなることを特徴とするスピンドル装置。[Scope of Claim for Utility Model Registration] A high-frequency spindle motor; a spindle formed by press-fitting a spindle quill into the rotor of the motor; a pair of position sensors each disposed at a position facing the detection end of the target and spaced apart from the outer periphery of the target; and based on the output from the position sensor. A spindle device comprising: deflection detection means for detecting the amount of deflection of the spindle quill; and rotation speed detection means for detecting the rotation speed of the spindle based on an output from the position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3031490U JPH03120356U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3031490U JPH03120356U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120356U true JPH03120356U (en) | 1991-12-11 |
Family
ID=31533036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3031490U Pending JPH03120356U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120356U (en) |
-
1990
- 1990-03-23 JP JP3031490U patent/JPH03120356U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61135266U (en) | ||
| JPH0223711U (en) | ||
| JPH0245391U (en) | ||
| JPH0187846U (en) | ||
| JPS6415964U (en) | ||
| JPH0212217U (en) | ||
| JPH01131297U (en) | ||
| JPS6286731U (en) | ||
| JPS63158940U (en) | ||
| JPH0243615U (en) | ||
| JPS635473U (en) | ||
| JPS6227591U (en) | ||
| JPS6163394U (en) | ||
| JPH0354395U (en) | ||
| JPH042994U (en) | ||
| JPH031676U (en) | ||
| JPH01129561U (en) | ||
| JPH01162601U (en) | ||
| JPH0275058U (en) | ||
| JPH02146308U (en) | ||
| JPS63156595U (en) | ||
| JPH02109259U (en) | ||
| JPS63149197U (en) | ||
| JPS58218856A (en) | Detector for secondary current of squirrel-cage type motor | |
| JPS62140309U (en) |