JPH0245U - - Google Patents
Info
- Publication number
- JPH0245U JPH0245U JP7272888U JP7272888U JPH0245U JP H0245 U JPH0245 U JP H0245U JP 7272888 U JP7272888 U JP 7272888U JP 7272888 U JP7272888 U JP 7272888U JP H0245 U JPH0245 U JP H0245U
- Authority
- JP
- Japan
- Prior art keywords
- air introduction
- introduction hole
- shaft
- bearing
- communicates
- 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
- 238000001816 cooling Methods 0.000 claims 1
Landscapes
- Auxiliary Devices For Machine Tools (AREA)
Description
第１図は本考案を適用した工作機械の主軸駆動
装置の断面図であり、第２図は主軸の斜視図であ
る。また、第３図は従来の主軸駆動装置の断面図
である。
図中、１は主軸箱、２，３はボールベアリング
、５は主軸、１９は空気導入孔、２０は空気排出
孔である。
FIG. 1 is a sectional view of a main shaft drive device of a machine tool to which the present invention is applied, and FIG. 2 is a perspective view of the main shaft. Moreover, FIG. 3 is a sectional view of a conventional main shaft drive device. In the figure, 1 is a main shaft box, 2 and 3 are ball bearings, 5 is a main shaft, 19 is an air introduction hole, and 20 is an air discharge hole.
Claims (1)
転中心と平行に形成され且つ軸受支持部位を通過
すると共に少なくとも一端が軸端部に開口する空
気導入孔と、一端が前記空気導入孔に連通すると
共に他端が外周面に開口する空気排出穴とを有す
ることを特徴とする自己冷却型回転軸。 A rotating shaft that is supported by a bearing and rotates, and has an air introduction hole that is formed parallel to the center of rotation, passes through the bearing support part, and has at least one end open to the shaft end, and one end that communicates with the air introduction hole. What is claimed is: 1. A self-cooling rotary shaft having an air discharge hole opening at the other end to an outer circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7272888U JPH0245U (en) | 1988-06-02 | 1988-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7272888U JPH0245U (en) | 1988-06-02 | 1988-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0245U true JPH0245U (en) | 1990-01-05 |
Family
ID=31297882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7272888U Pending JPH0245U (en) | 1988-06-02 | 1988-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0245U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125747A (en) * | 1984-07-10 | 1986-02-04 | Toyoda Mach Works Ltd | Spindle cooler for machine tool |
-
1988
- 1988-06-02 JP JP7272888U patent/JPH0245U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6125747A (en) * | 1984-07-10 | 1986-02-04 | Toyoda Mach Works Ltd | Spindle cooler for machine tool |