JPS58172118U - hydrostatic bearing spindle - Google Patents
hydrostatic bearing spindleInfo
- Publication number
- JPS58172118U JPS58172118U JP6942582U JP6942582U JPS58172118U JP S58172118 U JPS58172118 U JP S58172118U JP 6942582 U JP6942582 U JP 6942582U JP 6942582 U JP6942582 U JP 6942582U JP S58172118 U JPS58172118 U JP S58172118U
- Authority
- JP
- Japan
- Prior art keywords
- hydrostatic
- thrust bearings
- bearing
- bearing spindle
- hollow member
- 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
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の静圧軸受スピンドルの断面図、第２図は
この発明の一実施例を示す静圧軸受スピンドルの断面図
、第３図はこの発明の他の実施例を示す静圧軸受スピン
ドルの断面図である。
図中、１１はハウジング、１２は軸体、１５はみぞ、１
６は中空部材、２３．５５は静圧ラジアル軸受部、４３
．４４は静圧スラスト軸受部である。Fig. 1 is a sectional view of a conventional hydrostatic bearing spindle, Fig. 2 is a sectional view of a hydrostatic bearing spindle showing an embodiment of the present invention, and Fig. 3 is a sectional view of a hydrostatic bearing spindle showing another embodiment of the invention. FIG. 3 is a cross-sectional view of the spindle. In the figure, 11 is a housing, 12 is a shaft, 15 is a groove, 1
6 is a hollow member, 23.55 is a static pressure radial bearing portion, 43
．． 44 is a static pressure thrust bearing section.
Claims (1)
圧ラジアル軸受部２３．５５と一対の静圧スラスト軸受
部４３．４４とで支持する静圧軸受スピンドルにおいて
、前記軸体１２には内周にみぞ１５を有する中空部材１
６が嵌合して固定され、該中空部材１６の外周が一方の
静圧ラジアル軸受部２３となっていると共に中空部材１
６の両側面がそれぞれ静圧スラスト軸受部４３．４４と
なっており、該一対の静圧スラスト軸受部４３゜４４の
外側に前記一方の静圧ラジアル軸受部２３より小径の他
方の静圧ラジアル軸受部５５を設けたことを特徴とする
静圧軸受スピンドル。In a hydrostatic bearing spindle in which the shaft 12 disposed on the inner periphery of the housing 11 is supported by two hydrostatic radial bearings 23.55 and a pair of hydrostatic thrust bearings 43.44, the shaft 12 is is a hollow member 1 having a groove 15 on the inner periphery
6 are fitted and fixed, and the outer periphery of the hollow member 16 serves as one of the static pressure radial bearings 23, and the hollow member 1
Both sides of the hydrostatic thrust bearings 43 and 44 are provided on both sides of the hydrostatic thrust bearings 43 and 44, and the other hydrostatic radial bearing 23, which has a diameter smaller than that of the one hydrostatic radial bearing 23, is provided on the outside of the pair of static pressure thrust bearings 43 and 44. A hydrostatic bearing spindle characterized in that a bearing portion 55 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6942582U JPS58172118U (en) | 1982-05-14 | 1982-05-14 | hydrostatic bearing spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6942582U JPS58172118U (en) | 1982-05-14 | 1982-05-14 | hydrostatic bearing spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58172118U true JPS58172118U (en) | 1983-11-17 |
Family
ID=30079152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6942582U Pending JPS58172118U (en) | 1982-05-14 | 1982-05-14 | hydrostatic bearing spindle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58172118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015175508A (en) * | 2014-03-18 | 2015-10-05 | 日本精工株式会社 | Hydrostatic gas bearing rotation guide device |
-
1982
- 1982-05-14 JP JP6942582U patent/JPS58172118U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015175508A (en) * | 2014-03-18 | 2015-10-05 | 日本精工株式会社 | Hydrostatic gas bearing rotation guide device |
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