JP6016632B2 - 転がり軸受及び工作機械用主軸装置 - Google Patents
転がり軸受及び工作機械用主軸装置 Download PDFInfo
- Publication number
- JP6016632B2 JP6016632B2 JP2012529563A JP2012529563A JP6016632B2 JP 6016632 B2 JP6016632 B2 JP 6016632B2 JP 2012529563 A JP2012529563 A JP 2012529563A JP 2012529563 A JP2012529563 A JP 2012529563A JP 6016632 B2 JP6016632 B2 JP 6016632B2
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- Prior art keywords
- peripheral surface
- outer peripheral
- cage
- convex
- circumferential direction
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- Expired - Fee Related
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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
- F16C33/46—Cages for rollers or needles
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4682—Details of individual pockets, e.g. shape or roller retaining means of the end walls, e.g. interaction with the end faces of the rollers
-
- 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
-
- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
-
- 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
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6629—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Turning (AREA)
Description
(1) 外周面に内輪軌道を有する内輪と、内周面に外輪軌道を有する外輪と、前記内輪軌道と前記外輪軌道との間に転動自在に設けられた複数の転動体と、前記複数の転動体を保持する複数のポケットを有する保持器と、を備える転がり軸受であって、
前記保持器は、軸方向に並んで配置された第1円環部および第2円環部と、前記第1円環部と前記第2円環部とを繋ぐように周方向に所定の間隔で配置される複数の柱部と、を有し、
前記第1円環部および前記第2円環部は、それぞれの外周面上に周方向に離間して形成された複数の凸状突起部を有し、
前記第2円環部の凸状突起部は、前記第1円環部の凸状突起部とは周方向の異なる位置に形成され、
前記凸状突起部は、前記柱部の外周面よりも大径で円周方向に沿った凸状突起部外周面をそれぞれ有し、
前記外輪の内周面に形成された保持器案内面によって、前記凸状突起部外周面が案内されることを特徴とする転がり軸受。
(2) 前記第1円環部の凸状突起部および前記第2円環部の凸状突起部は、それぞれ周方向に等間隔で配置されたことを特徴とする上記(1)記載の転がり軸受。
(3) 前記第1円環部の凸状突起部および前記第2円環部の凸状突起部は、それぞれ前記柱部に軸方向に隣接して配置されたことを特徴とする上記(1)または(2)記載の転がり軸受。
(4) 上記(1)から(3)のいずれかに記載の転がり軸受を備える工作機械用主軸装置。
本発明の第1実施形態に係る転がり軸受を図1に基づいて説明する。図1は第1実施形態に係る円筒ころ軸受1の断面図を示す。図2は図1の保持器10の斜視図を示す。図3は図2の保持器10を示し、(a)は保持器10の正面図、(b)は(a)のI方向から見た部分上面図である。
次に、本発明の第2実施形態に係る転がり軸受を、図4に基づいて説明する。図4は第2実施形態に係る円筒ころ軸受に用いられる保持器20を示し、(a)は保持器20の正面図、(b)は(a)のII方向から見た部分上面図である。
次に、本発明の第3実施形態について、図5に基づいて説明する。図5は第3実施形態に係るアンギュラ玉軸受に用いられる保持器30を示し、(a)は保持器30の正面図、(b)は(a)のIII方向から見た部分上面図である。
・軸受:円筒ころ軸受(N1011RSTPKR)
・サイズ:内径Φ55mm×外形Φ90mm×幅18mm
・油量条件:0.01cc/1shot (2分間隔の間欠給油)
・使用油:タービン油 VG32
・軸受:円筒ころ軸受(N1011RSTPKR)
・サイズ:内径Φ55mm×外形Φ90mm×幅18mm
・油量条件:0.01cc/1shot (8分間隔の間欠給油)
・使用油:タービン油 VG32
2 外輪
2a 外輪軌道面
3 内輪
3a 内輪軌道面
4 円筒ころ
10 保持器
11 ポケット
12 円環部
15 凸状突起部
16 柱部
Claims (4)
- 外周面に内輪軌道を有する内輪と、内周面に外輪軌道を有する外輪と、前記内輪軌道と前記外輪軌道との間に転動自在に設けられた複数の転動体と、前記複数の転動体を保持する複数のポケットを有する保持器と、を備える転がり軸受であって、
前記保持器は、軸方向に並んで配置された第1円環部および第2円環部と、前記第1円環部と前記第2円環部とを繋ぐように周方向に所定の間隔で配置される複数の柱部と、を有し、
前記第1円環部および前記第2円環部は、それぞれの外周面上に周方向に離間して形成された複数の凸状突起部を有し、
前記第2円環部の凸状突起部は、前記第1円環部の凸状突起部とは周方向の異なる位置に形成され、
前記凸状突起部は、前記柱部の外周面よりも大径で円周方向に沿った凸状突起部外周面をそれぞれ有し、
前記外輪の内周面に形成された保持器案内面によって、前記凸状突起部外周面が案内されることを特徴とする転がり軸受。 - 前記第1円環部の凸状突起部および前記第2円環部の凸状突起部は、それぞれ周方向に等間隔で配置されたことを特徴とする請求項1記載の転がり軸受。
- 前記第1円環部の凸状突起部および前記第2円環部の凸状突起部は、それぞれ前記柱部に軸方向に隣接して配置されたことを特徴とする請求項1又は2記載の転がり軸受。
- 請求項1から3のいずれか1項に記載の転がり軸受を備える工作機械用主軸装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010183349 | 2010-08-18 | ||
JP2010183349 | 2010-08-18 | ||
PCT/JP2011/067778 WO2012023437A1 (ja) | 2010-08-18 | 2011-08-03 | 転がり軸受及び工作機械用主軸装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016028221A Division JP2016128720A (ja) | 2010-08-18 | 2016-02-17 | 転がり軸受及び工作機械用主軸装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012023437A1 JPWO2012023437A1 (ja) | 2013-10-28 |
JP6016632B2 true JP6016632B2 (ja) | 2016-10-26 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012529563A Expired - Fee Related JP6016632B2 (ja) | 2010-08-18 | 2011-08-03 | 転がり軸受及び工作機械用主軸装置 |
JP2016028221A Pending JP2016128720A (ja) | 2010-08-18 | 2016-02-17 | 転がり軸受及び工作機械用主軸装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016028221A Pending JP2016128720A (ja) | 2010-08-18 | 2016-02-17 | 転がり軸受及び工作機械用主軸装置 |
Country Status (6)
Country | Link |
---|---|
JP (2) | JP6016632B2 (ja) |
KR (1) | KR101368100B1 (ja) |
CN (2) | CN104747599B (ja) |
DE (1) | DE112011102719B4 (ja) |
TW (1) | TWI481786B (ja) |
WO (1) | WO2012023437A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102186044B1 (ko) * | 2019-04-19 | 2020-12-04 | (주)웰테크 | 난간형 2단 건조대 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2865910A4 (en) * | 2012-06-21 | 2016-06-08 | Nsk Ltd | ROLLER POSITION AND SPINDLE DEVICE FOR TOOL MACHINE |
CN103697066B (zh) * | 2012-09-27 | 2018-04-03 | 舍弗勒技术股份两合公司 | 用于滚动轴承的板材保持架 |
FR3000772B1 (fr) * | 2013-01-10 | 2015-06-19 | Ntn Snr Roulements | Cage pour unite de roulement, et unite de roulement munie d'une telle cage. |
DE102013212962A1 (de) * | 2013-07-03 | 2015-01-08 | Aktiebolaget Skf | Lagerkäfig für verlängerte Fettgebrauchsdauer |
JP6369083B2 (ja) | 2013-11-25 | 2018-08-08 | 株式会社ジェイテクト | 分割保持器及びころ軸受 |
DE102013226132B4 (de) * | 2013-12-16 | 2019-02-14 | Aktiebolaget Skf | Käfig für ein Wälzlager sowie Rollenlager mit einem Käfig |
DE102014201104A1 (de) | 2014-01-22 | 2015-08-06 | Schaeffler Technologies AG & Co. KG | Schmierungsoptimierter Wälzlagerkäfig für Zylinderrollenlager |
DE102015206533A1 (de) * | 2015-04-13 | 2016-10-13 | Schaeffler Technologies AG & Co. KG | Käfigsegment eines Käfigs eines Wälzlagers und Käfig eines Wälzlagers |
US20170102032A1 (en) * | 2015-10-12 | 2017-04-13 | Schaeffler Technologies AG & Co. KG | Low friction ball bearing cage design with optimized contact surface |
CN105134775A (zh) * | 2015-10-12 | 2015-12-09 | 山东凯美瑞轴承科技有限公司 | 一种具有调心功能的混合轴承 |
DE102016211906A1 (de) * | 2016-06-30 | 2018-01-04 | Aktiebolaget Skf | Käfig für Kurbelwellenlagerung |
JP7071801B2 (ja) * | 2017-03-03 | 2022-05-19 | Ntn株式会社 | 転がり軸受及びそれを備えた軸受構造 |
US10487877B2 (en) * | 2018-03-01 | 2019-11-26 | Schaeffler Technologies AG & Co. KG | Bearing cage including hydrodynamic feature |
JP7247598B2 (ja) * | 2019-01-21 | 2023-03-29 | 株式会社ジェイテクト | 転がり軸受装置 |
US11365762B2 (en) * | 2020-11-16 | 2022-06-21 | Schaeffler Technologies AG & Co. KG | High speed bearing cage |
DE102021129190A1 (de) | 2021-11-10 | 2023-05-11 | Schaeffler Technologies AG & Co. KG | Lagerkäfig für Zylinderrollen und Zylinderrollenlager mit einem solchen Lagerkäfig |
CN117759630B (zh) * | 2024-02-22 | 2024-04-26 | 上海骋海新能源科技有限公司 | 一种球轴承 |
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JPH1122737A (ja) * | 1997-07-02 | 1999-01-26 | Hitachi Constr Mach Co Ltd | ころ軸受用保持器 |
JP2005061483A (ja) * | 2003-08-08 | 2005-03-10 | Nsk Ltd | ころ軸受用合成樹脂製保持器及びころ軸受 |
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DE3925512C2 (de) | 1989-08-02 | 1997-12-11 | Skf Gmbh | Käfig |
DE8914085U1 (de) | 1989-11-29 | 1990-01-04 | SKF GmbH, 8720 Schweinfurt | Verbundkäfig |
JPH11182557A (ja) | 1997-12-15 | 1999-07-06 | Hitachi Constr Mach Co Ltd | 針状ころ軸受 |
JP4342612B2 (ja) | 1998-06-02 | 2009-10-14 | 株式会社松浦機械製作所 | 回転ベアリング及びこれを使用した主軸装置 |
JP3651591B2 (ja) | 2001-05-28 | 2005-05-25 | 日本精工株式会社 | 転がり軸受 |
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JP2010183349A (ja) | 2009-02-05 | 2010-08-19 | Nippon Dempa Kogyo Co Ltd | 表面実装用の水晶発振器 |
CN101737428A (zh) * | 2009-12-24 | 2010-06-16 | 常熟长城轴承有限公司 | 轴承保持架结构 |
JP5499814B2 (ja) * | 2010-03-23 | 2014-05-21 | 日本精工株式会社 | 転がり軸受 |
-
2011
- 2011-08-03 CN CN201510041035.4A patent/CN104747599B/zh active Active
- 2011-08-03 JP JP2012529563A patent/JP6016632B2/ja not_active Expired - Fee Related
- 2011-08-03 DE DE112011102719.2T patent/DE112011102719B4/de active Active
- 2011-08-03 KR KR1020127022567A patent/KR101368100B1/ko active IP Right Grant
- 2011-08-03 WO PCT/JP2011/067778 patent/WO2012023437A1/ja active Application Filing
- 2011-08-03 CN CN2011800025319A patent/CN102483092A/zh active Pending
- 2011-08-04 TW TW100127784A patent/TWI481786B/zh not_active IP Right Cessation
-
2016
- 2016-02-17 JP JP2016028221A patent/JP2016128720A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1122737A (ja) * | 1997-07-02 | 1999-01-26 | Hitachi Constr Mach Co Ltd | ころ軸受用保持器 |
JP2005061483A (ja) * | 2003-08-08 | 2005-03-10 | Nsk Ltd | ころ軸受用合成樹脂製保持器及びころ軸受 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102186044B1 (ko) * | 2019-04-19 | 2020-12-04 | (주)웰테크 | 난간형 2단 건조대 |
Also Published As
Publication number | Publication date |
---|---|
CN102483092A (zh) | 2012-05-30 |
JPWO2012023437A1 (ja) | 2013-10-28 |
DE112011102719T5 (de) | 2013-06-27 |
KR20120106902A (ko) | 2012-09-26 |
CN104747599B (zh) | 2017-08-08 |
CN104747599A (zh) | 2015-07-01 |
DE112011102719B4 (de) | 2022-08-25 |
JP2016128720A (ja) | 2016-07-14 |
TWI481786B (zh) | 2015-04-21 |
TW201217665A (en) | 2012-05-01 |
WO2012023437A1 (ja) | 2012-02-23 |
KR101368100B1 (ko) | 2014-02-27 |
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