JPH0187846U - - Google Patents
Info
- Publication number
- JPH0187846U JPH0187846U JP18362587U JP18362587U JPH0187846U JP H0187846 U JPH0187846 U JP H0187846U JP 18362587 U JP18362587 U JP 18362587U JP 18362587 U JP18362587 U JP 18362587U JP H0187846 U JPH0187846 U JP H0187846U
- Authority
- JP
- Japan
- Prior art keywords
- detecting means
- deflection
- tip
- spindle
- normal
- 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
- 238000003754 machining Methods 0.000 claims 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
Landscapes
- Automatic Control Of Machine Tools (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
第１〜５図は本考案による信号温度補償機能を
有するスピンドル装置の一実施例を示す図であり
、第１図はスピンドル装置の横断面図、第２図は
第１図における―線断面図、第３図はセンサ
の作用を示すブロツク図、第４図、第５図は本考
案の作用を説明するセンサ出力電圧と温度との関
係を示すグラフである。
５……スピンドル装置、８……ロータ、８ａ…
…軸孔、１０……高周波モータ、１１……砥石、
１２……回転スピンドル、１２ａ……先端部、１
３ａ，１３ｂ……軸受、１４……ケーシング、１
５……ターゲツト、１６〜１９……センサ（撓み
検知手段）、２０……遮蔽部材、２１……センサ
ホルダ、２２……直流電源、２３……基準抵抗、
２４……交流増幅器、２５……同期検波器、２６
……加算器、２７……同期検波用信号発生器、２
８……純抵抗検出器、２９……ローパスフイルタ
、３０……信号誤差補償手段、３１……正弦波発
振器。
1 to 5 are diagrams showing an embodiment of a spindle device having a signal temperature compensation function according to the present invention, FIG. 1 is a cross-sectional view of the spindle device, and FIG. 2 is a cross-sectional view taken along the line -- in FIG. 1. 3 is a block diagram showing the operation of the sensor, and FIGS. 4 and 5 are graphs showing the relationship between the sensor output voltage and temperature to explain the operation of the present invention. 5...Spindle device, 8...Rotor, 8a...
... shaft hole, 10 ... high frequency motor, 11 ... grindstone,
12... Rotating spindle, 12a... Tip, 1
3a, 13b...Bearing, 14...Casing, 1
5... Target, 16-19... Sensor (deflection detection means), 20... Shielding member, 21... Sensor holder, 22... DC power supply, 23... Reference resistor,
24... AC amplifier, 25... Synchronous detector, 26
... Adder, 27 ... Signal generator for synchronous detection, 2
8...Pure resistance detector, 29...Low pass filter, 30...Signal error compensation means, 31...Sine wave oscillator.
Claims (1)
と、ワークに対する加工工具の法線方向および接
線方向の加工負荷による回転スピンドルの先端部
の撓み量を検知する法線方向および接線方向の２
組の撓み検知手段とを備え、この撓み検知手段か
らの信号値により加工条件を制御することが可能
な手段を有するスピンドル装置において、前記撓
み検知手段からの信号値の温度変化による誤差を
補償する信号誤差補償手段を設けたことを特徴と
するスピンドル装置。 A rotary spindle with a machining tool installed at its tip, and two sensors in the normal and tangential directions that detect the amount of deflection of the tip of the rotary spindle due to the machining load in the normal and tangential directions of the machining tool to the workpiece.
In a spindle device comprising a set of deflection detecting means and means capable of controlling processing conditions based on a signal value from the deflection detecting means, the error in the signal value from the deflection detecting means due to a temperature change is compensated for. A spindle device characterized by being provided with signal error compensating means.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18362587U JPH0187846U (en) | 1987-12-01 | 1987-12-01 | |
| US07/276,229 US5018071A (en) | 1987-12-01 | 1988-11-23 | Method and apparatus for controlling a grinder having a spindle with deflection sensor |
| EP88311338A EP0319265B1 (en) | 1987-12-01 | 1988-11-30 | Method and apparatus for use in grinding |
| DE88311338T DE3884573T2 (en) | 1987-12-01 | 1988-11-30 | Method and device for use in grinding. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18362587U JPH0187846U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187846U true JPH0187846U (en) | 1989-06-09 |
Family
ID=31475041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18362587U Pending JPH0187846U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187846U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6088302A (en) * | 1983-10-20 | 1985-05-18 | Akashi Seisakusho Co Ltd | Eddy current type displacement gauge |
| JPS6179549A (en) * | 1984-09-28 | 1986-04-23 | Takaaki Nagao | Curved surface working device |
-
1987
- 1987-12-01 JP JP18362587U patent/JPH0187846U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6088302A (en) * | 1983-10-20 | 1985-05-18 | Akashi Seisakusho Co Ltd | Eddy current type displacement gauge |
| JPS6179549A (en) * | 1984-09-28 | 1986-04-23 | Takaaki Nagao | Curved surface working device |
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