JPH0339620U - - Google Patents
Info
- Publication number
- JPH0339620U JPH0339620U JP10066689U JP10066689U JPH0339620U JP H0339620 U JPH0339620 U JP H0339620U JP 10066689 U JP10066689 U JP 10066689U JP 10066689 U JP10066689 U JP 10066689U JP H0339620 U JPH0339620 U JP H0339620U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- sleeve
- bearing device
- diameter surface
- thrust
- 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
- 239000000463 material Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- Sliding-Contact Bearings (AREA)
Description
第１図は本考案の第１実施例の縦断面図、第２
図は本考案の他の実施例の縦断面図、第３図はＶ
ＴＲのシリンダに従来の動圧軸受装置を適用した
例を示す縦断面図である。
図中、１……軸、３……スリーブ、５，２０，
２０Ａ……スラスト受部材、６……動圧発生用の
溝、２１……スリーブとの嵌合面、２３……軸と
の対向面の中心部、２４……スラスト受部材との
対向面の中心部、Ｃ……ラジアル軸受すきま。
Fig. 1 is a longitudinal sectional view of the first embodiment of the present invention, and the second
The figure is a longitudinal sectional view of another embodiment of the present invention, and Figure 3 is a V
FIG. 2 is a longitudinal sectional view showing an example in which a conventional hydrodynamic bearing device is applied to a cylinder of a TR. In the figure, 1...shaft, 3...sleeve, 5, 20,
20A... Thrust receiving member, 6... Groove for dynamic pressure generation, 21... Fitting surface with sleeve, 23... Center of surface facing shaft, 24... Center part of surface facing thrust receiving member Center part, C...radial bearing clearance.
Claims (1)
受部材を嵌合して取付け、前記スリーブの内径面
に軸をラジアル軸受すきまを介して嵌合し、前記
スリーブの内径面と軸の外径面との少なくとも一
方に動圧発生用の溝を設けた動圧流体軸受装置に
おいて、 前記スラスト受部材はスリーブとの嵌合面が凸
球面であつて軸との対向面の中心部が平面であり
、前記軸はスラスト受部材との対向面の中心部が
平面であることを特徴とする動圧流体軸受装置。 (2) スラスト受部材の材質が超硬合金である請
求項(1)記載の動圧流体軸受装置。 (3) スラスト受部材の材質がセラミツクである
請求項(1)記載の動圧流体軸受装置。[Claims for Utility Model Registration] (1) A thrust receiving member is fitted and attached to one end of the inner diameter surface of the sleeve, a shaft is fitted to the inner diameter surface of the sleeve through a radial bearing clearance, and In a hydrodynamic bearing device in which a groove for generating dynamic pressure is provided on at least one of the inner diameter surface of the sleeve and the outer diameter surface of the shaft, the thrust receiving member has a convex spherical surface that fits with the sleeve, and the shaft A hydrodynamic bearing device characterized in that a central portion of a surface facing the shaft is flat, and a central portion of a surface facing the thrust bearing member of the shaft is flat. (2) The hydrodynamic bearing device according to claim (1), wherein the material of the thrust bearing member is a cemented carbide. (3) The hydrodynamic bearing device according to claim (1), wherein the material of the thrust bearing member is ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10066689U JPH0339620U (en) | 1989-08-29 | 1989-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10066689U JPH0339620U (en) | 1989-08-29 | 1989-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339620U true JPH0339620U (en) | 1991-04-17 |
Family
ID=31649659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10066689U Pending JPH0339620U (en) | 1989-08-29 | 1989-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339620U (en) |
-
1989
- 1989-08-29 JP JP10066689U patent/JPH0339620U/ja active Pending