JPH03123654U - - Google Patents
Info
- Publication number
- JPH03123654U JPH03123654U JP3336090U JP3336090U JPH03123654U JP H03123654 U JPH03123654 U JP H03123654U JP 3336090 U JP3336090 U JP 3336090U JP 3336090 U JP3336090 U JP 3336090U JP H03123654 U JPH03123654 U JP H03123654U
- Authority
- JP
- Japan
- Prior art keywords
- bearing surface
- thrust bearing
- radial bearing
- spindle
- main 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 claims description 3
Description
第１図は本考案の実施例を示す主軸装置の断面
図、第２図は従来の主軸装置の断面図。
１０……主軸本体、１１……主軸、１２，１３
……ラジアル軸受面、１４，１５……スラスト軸
受面、２０……フランジ部、２１，２２……スラ
スト被軸受面、２３，２４……ラジアル被軸受面
、３０，３１，３２，３３……供給通路、３４…
…給気孔、３５……凹み、クリーニングエア通路
、４３……取付穴、４４……テーパー面、４５…
…噴出孔。
FIG. 1 is a sectional view of a spindle device showing an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional spindle device. 10...Spindle body, 11...Spindle, 12, 13
... Radial bearing surface, 14, 15 ... Thrust bearing surface, 20 ... Flange portion, 21, 22 ... Thrust bearing surface, 23, 24 ... Radial bearing surface, 30, 31, 32, 33 ... Supply passage, 34...
... Air supply hole, 35 ... Recess, cleaning air passage, 43 ... Mounting hole, 44 ... Tapered surface, 45 ...
...Blowout hole.
Claims (1)
工具が着脱可能に取付けられるテーパー状の取付
穴を形成し、この取付穴のテーパー面にエアが供
給される噴出孔を開口させた主軸装置において、
前記主軸の外周に主軸の回転軸線と略並行なラジ
アル被軸受面と主軸の回転軸線と略直角なスラス
ト被軸受面を形成し、前記本体にラジアル被軸受
面並びにスラスト被軸受面に対応するラジアル軸
受面並びにスラスト軸受面を形成し、ラジアル軸
受面並びにスラスト軸受面に軸受用エアを供給す
る供給通路を開口させ、ラジアル軸受面とスラス
ト軸受面とが交差する部分に環状の凹みを形成し
、この凹みに外部からクリーニング用のエアを供
給するクリーニングエア通路を前記本体に形成し
、この凹みに前記噴出孔の一端を開口させたこと
を特徴とする主軸装置。 A spindle device in which a spindle is rotatably supported on the main body, a tapered mounting hole is formed at the tip of the spindle to which a tool can be detachably attached, and a jet hole through which air is supplied is opened in the tapered surface of this mounting hole. In,
A radial bearing surface substantially parallel to the rotational axis of the main shaft and a thrust bearing surface substantially perpendicular to the rotational axis of the main shaft are formed on the outer periphery of the main shaft, and a radial bearing surface corresponding to the radial bearing surface and the thrust bearing surface is formed on the main body. forming a bearing surface and a thrust bearing surface, opening a supply passage for supplying bearing air to the radial bearing surface and the thrust bearing surface, and forming an annular recess at a portion where the radial bearing surface and the thrust bearing surface intersect; A main spindle device characterized in that a cleaning air passage for supplying cleaning air from the outside into the recess is formed in the main body, and one end of the ejection hole is opened in the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336090U JPH08118Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3336090U JPH08118Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03123654U true JPH03123654U (en) | 1991-12-16 |
| JPH08118Y2 JPH08118Y2 (en) | 1996-01-10 |
Family
ID=31536960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3336090U Expired - Lifetime JPH08118Y2 (en) | 1990-03-29 | 1990-03-29 | Spindle device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08118Y2 (en) |
-
1990
- 1990-03-29 JP JP3336090U patent/JPH08118Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08118Y2 (en) | 1996-01-10 |
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