JP2008045652A - 静圧気体軸受 - Google Patents
静圧気体軸受 Download PDFInfo
- Publication number
- JP2008045652A JP2008045652A JP2006221335A JP2006221335A JP2008045652A JP 2008045652 A JP2008045652 A JP 2008045652A JP 2006221335 A JP2006221335 A JP 2006221335A JP 2006221335 A JP2006221335 A JP 2006221335A JP 2008045652 A JP2008045652 A JP 2008045652A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- bearing
- rotating shaft
- receiving surface
- cylindrical
- 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
- 230000003068 static effect Effects 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 30
- 230000002706 hydrostatic effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 abstract description 18
- 239000011521 glass Substances 0.000 abstract description 12
- 238000005452 bending Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0603—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings supported by a gas cushion, e.g. an air cushion
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
- F16C32/0685—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for radial load only
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
【解決手段】静圧気体軸受1は、回転軸6の円筒状外周面5に対して隙間9をもって対面する半割円筒状受面10を有した半割円柱状の軸受本体11と、半割円筒状受面10に形成された複数の気体噴出口41を有していると共に回転軸6の円筒状外周面5と半割円筒状受面10との隙間9に複数の気体噴出口41から気体を供給する気体供給手段13と、相互に滑動自在に接している凸球面14及び凹球面15を有しており、凸球面14及び凹球面15の相互の滑動により軸受本体11を揺動自在に支持する軸受支持体16とを具備している。
【選択図】図3
Description
4 ガラス基板
6 回転軸
7 搬送ローラ
8 板状物の搬送装置
9 隙間
10 半割円筒状受面
11 軸受本体
13 気体供給手段
14 凸球面
15 凹球面
16 軸受支持体
Claims (5)
- 両端で回転自在に支持されて板状物の搬送方向に沿って並んで配されていると共に軸方向が搬送方向に対して夫々直交している円筒状外周面を有した複数の回転軸と、板状物を搬送すべく複数の回転軸の回転により回転されるように複数の回転軸に装着された搬送ローラとを具備している板状物の搬送装置の前記複数の回転軸を回転自在に支持するための静圧気体軸受であって、回転軸の円筒状外周面に対して隙間をもって対面する半割円筒状受面を有した軸受本体と、半割円筒状受面に形成された複数の気体噴出口を有していると共に回転軸の円筒状外周面と半割円筒状受面との隙間に複数の気体噴出口から気体を供給する気体供給手段とを具備している静圧気体軸受。
- 半割円筒状受面は、回転軸の曲率半径と同等の曲率半径を有している請求項1に記載の静圧気体軸受。
- 半割円筒状受面は、回転軸の曲率半径よりも大きな曲率半径を有している請求項1に記載の静圧気体軸受。
- 気体供給手段は、軸方向に伸びて軸受本体に夫々形成されていると共に軸受本体の一方の端面で夫々開口している複数の気体流路と、複数の気体流路の夫々を気体噴出口に連通させるべく気体流路から気体噴出口に向かって半割円筒状受面の曲率中心を中心として放射状に伸びている気体噴出用流路と、軸受本体の一方の端面側において複数の気体流路を互いに連通させるための連通用溝を有していると共に軸受本体の一方の端面に取り外し自在に装着される流路連通部材とを具備している請求項1から3のいずれか一項に記載の静圧気体軸受。
- 相互に滑動自在に接している凸球面及び凹球面を有しており、凸球面及び凹球面の相互の滑動により軸受本体を揺動自在に支持する軸受支持体を更に具備している請求項1から4のいずれか一項に記載の静圧気体軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006221335A JP4929915B2 (ja) | 2006-08-14 | 2006-08-14 | 静圧気体軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006221335A JP4929915B2 (ja) | 2006-08-14 | 2006-08-14 | 静圧気体軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008045652A true JP2008045652A (ja) | 2008-02-28 |
JP4929915B2 JP4929915B2 (ja) | 2012-05-09 |
Family
ID=39179588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006221335A Active JP4929915B2 (ja) | 2006-08-14 | 2006-08-14 | 静圧気体軸受 |
Country Status (1)
Country | Link |
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JP (1) | JP4929915B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102753492A (zh) * | 2010-02-16 | 2012-10-24 | 康宁股份有限公司 | 用于玻璃带的低跳动边缘辊轮 |
CN104444050A (zh) * | 2014-11-10 | 2015-03-25 | 芜湖真空科技有限公司 | 传送单元和传动装置 |
CN114893499A (zh) * | 2022-04-12 | 2022-08-12 | 天津航天机电设备研究所 | 一种气浮球轴承 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56131825A (en) * | 1980-03-15 | 1981-10-15 | Hamana Tekko Kk | Gas bearing having guide hole on bearing part |
JPH05296245A (ja) * | 1992-04-17 | 1993-11-09 | Nippon Seiko Kk | 流体リニアガイド装置 |
JP2004226983A (ja) * | 2003-01-27 | 2004-08-12 | Dms:Kk | 平板ディスプレイ用基板処理システムの基板移送装置 |
JP2005264963A (ja) * | 2004-03-16 | 2005-09-29 | Hamana Tekko Kk | 空気軸受 |
-
2006
- 2006-08-14 JP JP2006221335A patent/JP4929915B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56131825A (en) * | 1980-03-15 | 1981-10-15 | Hamana Tekko Kk | Gas bearing having guide hole on bearing part |
JPH05296245A (ja) * | 1992-04-17 | 1993-11-09 | Nippon Seiko Kk | 流体リニアガイド装置 |
JP2004226983A (ja) * | 2003-01-27 | 2004-08-12 | Dms:Kk | 平板ディスプレイ用基板処理システムの基板移送装置 |
JP2005264963A (ja) * | 2004-03-16 | 2005-09-29 | Hamana Tekko Kk | 空気軸受 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102753492A (zh) * | 2010-02-16 | 2012-10-24 | 康宁股份有限公司 | 用于玻璃带的低跳动边缘辊轮 |
CN104444050A (zh) * | 2014-11-10 | 2015-03-25 | 芜湖真空科技有限公司 | 传送单元和传动装置 |
CN114893499A (zh) * | 2022-04-12 | 2022-08-12 | 天津航天机电设备研究所 | 一种气浮球轴承 |
CN114893499B (zh) * | 2022-04-12 | 2024-05-28 | 天津航天机电设备研究所 | 一种气浮球轴承 |
Also Published As
Publication number | Publication date |
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JP4929915B2 (ja) | 2012-05-09 |
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