JPS636219U - - Google Patents
Info
- Publication number
- JPS636219U JPS636219U JP10113986U JP10113986U JPS636219U JP S636219 U JPS636219 U JP S636219U JP 10113986 U JP10113986 U JP 10113986U JP 10113986 U JP10113986 U JP 10113986U JP S636219 U JPS636219 U JP S636219U
- Authority
- JP
- Japan
- Prior art keywords
- main shaft
- bearing
- rear bearing
- abut
- workpiece
- 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.)
- Granted
Links
- 229910010293 ceramic material Inorganic materials 0.000 claims 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Description
第１図は本案実施例に係る工作機械等の主軸の
軸受構造を示す要部縦断面図、第２図は在来の主
軸の軸受構造を示す要部縦断面図である。
１：主軸、２，２ａ：軸受ケーシング、３：前
部軸受、４：後部軸受、５：段付部、６：嵌合体
、７，７ａ：ネジ、８：後部軸受押し、９：端部
カバー。
FIG. 1 is a vertical cross-sectional view of a main part showing a bearing structure of a main shaft of a machine tool or the like according to an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view of a main part showing a conventional main shaft bearing structure. 1: Main shaft, 2, 2a: Bearing casing, 3: Front bearing, 4: Rear bearing, 5: Stepped part, 6: Fitting body, 7, 7a: Screw, 8: Rear bearing pusher, 9: End cover .
Claims (1)
受をセラミツク材で構成し、該主軸を前部軸受お
よび後部軸受でそれぞれ軸承するとともに、該後
部軸受の端部周縁に形成された段付部の対向する
位置に当接および螺入した各ネジの作用点が、上
記主軸に直交する位置から互いに近接した位置に
配せられ、後部軸受の位置設定を行うようにした
ことを特徴とする軸受構造。 The main shaft that rotationally drives the workpiece and the bearing of the main shaft are made of ceramic material, and the main shaft is supported by the front bearing and the rear bearing, respectively, and the stepped part formed on the periphery of the end of the rear bearing. A bearing structure characterized in that the points of action of the respective screws that abut and are screwed into opposing positions are arranged close to each other from a position perpendicular to the main shaft to set the position of the rear bearing. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986101139U JPH0442570Y2 (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986101139U JPH0442570Y2 (en) | 1986-06-30 | 1986-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS636219U true JPS636219U (en) | 1988-01-16 |
| JPH0442570Y2 JPH0442570Y2 (en) | 1992-10-08 |
Family
ID=30971611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986101139U Expired JPH0442570Y2 (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442570Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184315U (en) * | 1981-05-19 | 1982-11-22 |
-
1986
- 1986-06-30 JP JP1986101139U patent/JPH0442570Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184315U (en) * | 1981-05-19 | 1982-11-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442570Y2 (en) | 1992-10-08 |