JPS6235701U - - Google Patents
Info
- Publication number
- JPS6235701U JPS6235701U JP12736785U JP12736785U JPS6235701U JP S6235701 U JPS6235701 U JP S6235701U JP 12736785 U JP12736785 U JP 12736785U JP 12736785 U JP12736785 U JP 12736785U JP S6235701 U JPS6235701 U JP S6235701U
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- spindle body
- housing
- outer circumferential
- circumferential wall
- 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 2
- 238000005524 ceramic coating Methods 0.000 description 1
Landscapes
- Turning (AREA)
- Sealing Devices (AREA)
Description
第１図および第２図は本考案の１実施例を示し
、第１図は主軸装置の要部の縦断側面図であり、
第２図は第１図の要部の断面図である。第３図は
本考案に係る他の実施例の主軸装置を示し、耐摩
リングの断面図である。
図中、１はハウジング、２はシール部材、３は
スピンドル、３０はスピンドル本体、３１は耐摩
リング、３８及び６８はセラミツクス被膜をそれ
ぞれ示す。
1 and 2 show one embodiment of the present invention, and FIG. 1 is a longitudinal sectional side view of the main parts of the spindle device,
FIG. 2 is a sectional view of the main part of FIG. 1. FIG. 3 shows a spindle device according to another embodiment of the present invention, and is a sectional view of a wear-resistant ring. In the figure, 1 is a housing, 2 is a seal member, 3 is a spindle, 30 is a spindle body, 31 is a wear ring, and 38 and 68 are ceramic coatings, respectively.
Claims (1)
で形成され該ハウジングに回転自在に保持された
スピンドルとをもつ主軸装置において、 該スピンドルは、 スピンドル本体と、 該スピンドル本体の外周壁に嵌着され、その内
周壁と該スピンドル本体の外周壁との間に外気と
連通する中空部を形成し、少なくとも外周表面部
がセラミツクスで形成された耐摩リングとからな
り、 該耐摩リングの摩擦熱が該スピンドル本体に伝
導されるのを該中空部で阻止し、該スピンドル本
体の温度上昇を抑制する構成としたことを特徴と
する主軸装置。[Claims for Utility Model Registration] A main shaft having a housing, a seal member held by the housing, and a spindle whose sliding surface that slides on the seal member is formed of ceramics and is rotatably held by the housing. In the apparatus, the spindle includes a spindle body, a hollow portion that is fitted into an outer circumferential wall of the spindle body, and that communicates with the outside air between the inner circumferential wall and the outer circumferential wall of the spindle body, and that includes at least an outer circumferential surface portion. and a wear-resistant ring made of ceramics, and the hollow part prevents frictional heat of the wear-resistant ring from being conducted to the spindle body, thereby suppressing a rise in temperature of the spindle body. Spindle device with
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12736785U JPS6235701U (en) | 1985-08-21 | 1985-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12736785U JPS6235701U (en) | 1985-08-21 | 1985-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6235701U true JPS6235701U (en) | 1987-03-03 |
Family
ID=31022050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12736785U Pending JPS6235701U (en) | 1985-08-21 | 1985-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6235701U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154148U (en) * | 1974-10-21 | 1976-04-24 | ||
| JPS5227388A (en) * | 1975-08-27 | 1977-03-01 | Hitachi Ltd | Manufacturing process of semiconductor device |
-
1985
- 1985-08-21 JP JP12736785U patent/JPS6235701U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154148U (en) * | 1974-10-21 | 1976-04-24 | ||
| JPS5227388A (en) * | 1975-08-27 | 1977-03-01 | Hitachi Ltd | Manufacturing process of semiconductor device |