JPS61178642U - - Google Patents
Info
- Publication number
- JPS61178642U JPS61178642U JP6246485U JP6246485U JPS61178642U JP S61178642 U JPS61178642 U JP S61178642U JP 6246485 U JP6246485 U JP 6246485U JP 6246485 U JP6246485 U JP 6246485U JP S61178642 U JPS61178642 U JP S61178642U
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- bearing metal
- bearing
- circumferential surface
- static pressure
- 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
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 1
Landscapes
- Turning (AREA)
- Machine Tool Units (AREA)
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
図面は本考案による工作機械の軸受装置の超精
密平面研削盤における一実施例を示し、第１図は
主要部の縦断面図、第２図は全体側面図である。
符号の説明、１０……ベツド、３０……軸受メ
タル、３１……内周面、３１ａ……ラジアル静圧
軸受、３２，３３……両端面、３２ａ，３３ａ…
…スラスト静圧軸受、４０……スピンドル、４２
……中間部、４３，４４……フランジ、４５……
外周面、４６，４７……摺動面。
The drawings show an embodiment of a bearing device for a machine tool according to the present invention in an ultra-precision surface grinder, in which FIG. 1 is a longitudinal cross-sectional view of the main part, and FIG. 2 is a side view of the whole. Explanation of symbols, 10...Bed, 30...Bearing metal, 31...Inner peripheral surface, 31a...Radial static pressure bearing, 32, 33...Both end surfaces, 32a, 33a...
...Thrust hydrostatic bearing, 40...Spindle, 42
... Middle part, 43, 44 ... Flange, 45 ...
Outer peripheral surface, 46, 47...sliding surface.
Claims (1)
れるスピンドルよりなり、この軸受メタルの内周
面は前記スピンドルの中間部の外周面と嵌合し、
同軸受メタルの両端面は前記スピンドルの中間部
の両端に形成されたフランジの互に対向する摺動
面の間に挾持され、軸受メタルの前記内周面には
ラジアル静圧軸受を、前記両端面にはスラスト静
圧軸受を設けてなる工作機械の軸受装置において
、前記軸受メタルの材質を前記スピンドルの材質
と同一としたことを特徴とする工作機械の軸受装
置。 Consisting of a bearing metal supported by the bed and a spindle pivotally supported by this, the inner circumferential surface of the bearing metal fits with the outer circumferential surface of the intermediate portion of the spindle,
Both end surfaces of the same bearing metal are sandwiched between mutually opposing sliding surfaces of flanges formed at both ends of the intermediate portion of the spindle, and radial static pressure bearings are mounted on the inner circumferential surface of the bearing metal, and 1. A bearing device for a machine tool comprising a thrust static pressure bearing on a surface thereof, wherein the material of the bearing metal is the same as the material of the spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6246485U JPH028673Y2 (en) | 1985-04-25 | 1985-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6246485U JPH028673Y2 (en) | 1985-04-25 | 1985-04-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61178642U true JPS61178642U (en) | 1986-11-07 |
| JPH028673Y2 JPH028673Y2 (en) | 1990-03-01 |
Family
ID=30591701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6246485U Expired JPH028673Y2 (en) | 1985-04-25 | 1985-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028673Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014091188A (en) * | 2012-11-01 | 2014-05-19 | Jtekt Corp | Machine tool |
-
1985
- 1985-04-25 JP JP6246485U patent/JPH028673Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014091188A (en) * | 2012-11-01 | 2014-05-19 | Jtekt Corp | Machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028673Y2 (en) | 1990-03-01 |