JP2005133753A - 軸受装置およびこれに用いる転がり軸受 - Google Patents
軸受装置およびこれに用いる転がり軸受 Download PDFInfo
- Publication number
- JP2005133753A JP2005133753A JP2003367471A JP2003367471A JP2005133753A JP 2005133753 A JP2005133753 A JP 2005133753A JP 2003367471 A JP2003367471 A JP 2003367471A JP 2003367471 A JP2003367471 A JP 2003367471A JP 2005133753 A JP2005133753 A JP 2005133753A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- bearing
- outer ring
- hole
- rolling
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General build up of machine tools, e.g. spindles, slides, actuators
Abstract
【解決手段】軸受装置は、ハウジング7にスピンドル2を回転自在に支持する転がり軸受5a、5b、5c、5dを備える。ハウジング7にオイル排出路24を形成し、転がり軸受の外輪6に、排出孔27を形成し、オイル排出路24内の負圧により転がり軸受内のオイルを排出孔27を通してオイル排出路24に排出する。
【選択図】図1
Description
4 円筒ころ軸受(転がり軸受)
5a、5b、5c、5d 玉軸受(転がり軸受)
6 外輪
8 内輪
7 ハウジング
9 転動体
24 オイル排出路(通孔)
27 排出孔
30 連通孔
Claims (2)
- ハウジングに軸体を支持する軸受の内部に潤滑用のオイルを供給して排出する軸受装置であって、軸受の外輪に径方向内外を貫通する排出孔を形成し、この排出孔をハウジングに形成された通孔に連通させ、通孔内のエアの流れにより発生する負圧により軸受内部のオイルを排出孔から通孔内に排出可能としている、ことを特徴とする軸受装置。
- 外輪と、内輪と、両輪間に転動自在に配置された複数の転動体とを備えた転がり軸受であって、外輪に径方向内外に貫通する排出孔を設けてなり、請求項1に記載の軸受装置の軸受として用いる、ことを特徴とする転がり軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003367471A JP2005133753A (ja) | 2003-10-28 | 2003-10-28 | 軸受装置およびこれに用いる転がり軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003367471A JP2005133753A (ja) | 2003-10-28 | 2003-10-28 | 軸受装置およびこれに用いる転がり軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005133753A true JP2005133753A (ja) | 2005-05-26 |
Family
ID=34645469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003367471A Pending JP2005133753A (ja) | 2003-10-28 | 2003-10-28 | 軸受装置およびこれに用いる転がり軸受 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2005133753A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009184062A (ja) * | 2008-02-06 | 2009-08-20 | Nsk Ltd | 工作機械用主軸装置 |
JP2009191876A (ja) * | 2008-02-12 | 2009-08-27 | Nsk Ltd | 主軸装置用軸受 |
JP2009216243A (ja) * | 2008-02-12 | 2009-09-24 | Nsk Ltd | 主軸装置用軸受 |
JP2010133548A (ja) * | 2008-02-06 | 2010-06-17 | Nsk Ltd | 主軸装置用軸受 |
-
2003
- 2003-10-28 JP JP2003367471A patent/JP2005133753A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009184062A (ja) * | 2008-02-06 | 2009-08-20 | Nsk Ltd | 工作機械用主軸装置 |
JP2010133548A (ja) * | 2008-02-06 | 2010-06-17 | Nsk Ltd | 主軸装置用軸受 |
JP2009191876A (ja) * | 2008-02-12 | 2009-08-27 | Nsk Ltd | 主軸装置用軸受 |
JP2009216243A (ja) * | 2008-02-12 | 2009-09-24 | Nsk Ltd | 主軸装置用軸受 |
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