JPS6196014U - - Google Patents
Info
- Publication number
- JPS6196014U JPS6196014U JP18269584U JP18269584U JPS6196014U JP S6196014 U JPS6196014 U JP S6196014U JP 18269584 U JP18269584 U JP 18269584U JP 18269584 U JP18269584 U JP 18269584U JP S6196014 U JPS6196014 U JP S6196014U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- dynamic pressure
- inner peripheral
- peripheral surface
- pressure generating
- 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)
- Sliding-Contact Bearings (AREA)
Description
第１図は本考案の一実施例による工作機械にお
ける動圧型流体軸受構造の拡大図、第２図はその
動圧型流体軸受の正面図、第３図は第２図の−
線断面図、第４図は上記実施例構造が適用され
た円筒研削盤の平面図、第５図はその砥石軸部分
の断面側面図である。
１５……動圧型流体軸受、１６……軸受内周面
、１７……動圧発生凹部、１７ｂ……トレーリン
グ側、１８……オイルポケツト、２６……冷却用
オイル通路。
Fig. 1 is an enlarged view of a hydrodynamic bearing structure in a machine tool according to an embodiment of the present invention, Fig. 2 is a front view of the hydrodynamic bearing, and Fig. 3 is the same as Fig. 2.
4 is a plan view of a cylindrical grinder to which the structure of the above embodiment is applied, and FIG. 5 is a sectional side view of the grindstone shaft portion thereof. 15... Dynamic pressure type fluid bearing, 16... Bearing inner peripheral surface, 17... Dynamic pressure generating recess, 17b... Trailing side, 18... Oil pocket, 26... Cooling oil passage.
Claims (1)
動圧発生凹部が形成されてなる動圧型流体軸受に
おいて、上記軸受内周面に動圧発生凹部の上記回
転軸回転方向に対してトレーリング側と連通する
オイルポケツトが形成され、該オイルポケツトを
介してオイルを流通させる冷却用オイル通路が形
成されていることを特徴とする工作機械における
動圧型流体軸受構造。 In a hydrodynamic fluid bearing in which a wedge-shaped dynamic pressure generating recess is formed on the inner peripheral surface of the bearing and the surface of the rotating shaft, the dynamic pressure generating recess is trailing in the direction of rotation of the rotating shaft on the inner peripheral surface of the bearing. 1. A hydrodynamic bearing structure for a machine tool, characterized in that an oil pocket is formed which communicates with the side, and a cooling oil passage is formed through which oil flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18269584U JPS6196014U (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18269584U JPS6196014U (en) | 1984-11-30 | 1984-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196014U true JPS6196014U (en) | 1986-06-20 |
Family
ID=30740230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18269584U Pending JPS6196014U (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044639A (en) * | 2002-07-09 | 2004-02-12 | Thk Co Ltd | Spindle device using dynamic-pressure bearing |
-
1984
- 1984-11-30 JP JP18269584U patent/JPS6196014U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004044639A (en) * | 2002-07-09 | 2004-02-12 | Thk Co Ltd | Spindle device using dynamic-pressure bearing |
| KR100953026B1 (en) * | 2002-07-09 | 2010-04-14 | 티에치케이 가부시끼가이샤 | Spindle device using dynamic bearing |