JPH048826U - - Google Patents
Info
- Publication number
- JPH048826U JPH048826U JP4981290U JP4981290U JPH048826U JP H048826 U JPH048826 U JP H048826U JP 4981290 U JP4981290 U JP 4981290U JP 4981290 U JP4981290 U JP 4981290U JP H048826 U JPH048826 U JP H048826U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic
- bearing
- rotating shaft
- expansion coefficient
- linear expansion
- 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
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ceramic Products (AREA)
Description
第１図はこの考案の一実施例によるセラミツク
軸受け構造を示す図、第２図〜第４図はこの考案
による他の実施例を示す図である。
１……セラミツク製軸受け、２，３……回転軸
。
FIG. 1 is a diagram showing a ceramic bearing structure according to one embodiment of this invention, and FIGS. 2 to 4 are diagrams showing other embodiments according to this invention. 1... Ceramic bearing, 2, 3... Rotating shaft.
Claims (1)
してなる軸受け構造において、軸受けの材質が常
温引張強度５０Kg／mm2以上のセラミツクであつ
て、上記セラミツク製軸受け材の線膨張係数β１
と上記金属製回転軸材の線膨張係数Ｂ２とが、温
度２００〜５００℃の範囲で、Ｂ２−Ｂ１≦６×
１０−６．℃の関係を有することを特徴とするセ
ラミツク軸受け構造。 In a bearing structure in which a metal rotating shaft is fitted into a ceramic bearing, the material of the bearing is ceramic with a room temperature tensile strength of 50 kg/mm 2 or more, and the linear expansion coefficient β 1 of the ceramic bearing material is
and the linear expansion coefficient B 2 of the metal rotating shaft material within a temperature range of 200 to 500°C, B 2 −B 1 ≦6×
10-6 . A ceramic bearing structure characterized by having a ℃ relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981290U JPH048826U (en) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4981290U JPH048826U (en) | 1990-05-11 | 1990-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048826U true JPH048826U (en) | 1992-01-27 |
Family
ID=31567825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4981290U Pending JPH048826U (en) | 1990-05-11 | 1990-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048826U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6174912A (en) * | 1984-09-18 | 1986-04-17 | Toshiba Corp | Rotary machine for nuclear power plant |
| JPS61252917A (en) * | 1985-05-04 | 1986-11-10 | Koyo Seiko Co Ltd | Locking device for ceramics bearing |
-
1990
- 1990-05-11 JP JP4981290U patent/JPH048826U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6174912A (en) * | 1984-09-18 | 1986-04-17 | Toshiba Corp | Rotary machine for nuclear power plant |
| JPS61252917A (en) * | 1985-05-04 | 1986-11-10 | Koyo Seiko Co Ltd | Locking device for ceramics bearing |
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