JPS63142045U - - Google Patents
Info
- Publication number
- JPS63142045U JPS63142045U JP3540487U JP3540487U JPS63142045U JP S63142045 U JPS63142045 U JP S63142045U JP 3540487 U JP3540487 U JP 3540487U JP 3540487 U JP3540487 U JP 3540487U JP S63142045 U JPS63142045 U JP S63142045U
- Authority
- JP
- Japan
- Prior art keywords
- center hole
- spindle
- turntable
- diameter
- air spindle
- 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
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Description
第１図は、この考案に係るエアスピンドルの一
実施例を示す断面図、第２図は同上の平面図、第
３図は従来のエアスピンドルを示す一部切欠正面
図である。
１…ハウジング、２…静圧軸受、４…スピンド
ル、９…ターンテーブル、１０…中心孔、１１…
凹部、１５…芯出し具、１７…テーパ面、２２…
スプリング。
FIG. 1 is a sectional view showing an embodiment of an air spindle according to this invention, FIG. 2 is a plan view of the same, and FIG. 3 is a partially cutaway front view showing a conventional air spindle. DESCRIPTION OF SYMBOLS 1... Housing, 2... Hydrostatic bearing, 4... Spindle, 9... Turntable, 10... Center hole, 11...
Recessed portion, 15...centering tool, 17...tapered surface, 22...
spring.
Claims (1)
ドルを回転可能に支持し、そのスピンドルの上部
にターンテーブルを設けたエアスピンドルにおい
て、前記ターンテーブルの上面に中心孔と、その
まわりにデイスク吸引用の凹部を設け、上記中心
孔にスライド可能に組込まれ、中心孔に対する流
体の供給とスプリングの弾力により上下動する芯
出し具の外周上部にテーパ面を設け、そのテーパ
面の大径側端部の外径を上記ターンテーブルに支
持される孔あきデイスクの内径より大きくしたこ
とを特徴とするエアスピンドル。 In an air spindle in which a spindle is rotatably supported by a hydrostatic bearing installed inside a housing and a turntable is provided on the upper part of the spindle, a center hole is provided on the upper surface of the turntable, and a recess for disk suction is provided around the center hole. A tapered surface is provided on the upper part of the outer periphery of the centering tool, which is slidably incorporated into the center hole and moves up and down due to the supply of fluid to the center hole and the elasticity of the spring. An air spindle characterized in that its diameter is larger than the inner diameter of a perforated disk supported by the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3540487U JPH0356906Y2 (en) | 1987-03-10 | 1987-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3540487U JPH0356906Y2 (en) | 1987-03-10 | 1987-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63142045U true JPS63142045U (en) | 1988-09-19 |
| JPH0356906Y2 JPH0356906Y2 (en) | 1991-12-24 |
Family
ID=30844862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3540487U Expired JPH0356906Y2 (en) | 1987-03-10 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356906Y2 (en) |
-
1987
- 1987-03-10 JP JP3540487U patent/JPH0356906Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0356906Y2 (en) | 1991-12-24 |