JP5679742B2 - 工作機械の軸受予圧構造 - Google Patents
工作機械の軸受予圧構造 Download PDFInfo
- Publication number
- JP5679742B2 JP5679742B2 JP2010201966A JP2010201966A JP5679742B2 JP 5679742 B2 JP5679742 B2 JP 5679742B2 JP 2010201966 A JP2010201966 A JP 2010201966A JP 2010201966 A JP2010201966 A JP 2010201966A JP 5679742 B2 JP5679742 B2 JP 5679742B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- end surface
- ball bearing
- inner ring
- flange member
- 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.)
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- 230000036316 preload Effects 0.000 title claims description 22
- 125000006850 spacer group Chemical group 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000005498 polishing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
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- 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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
-
- 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
- F16C2229/00—Setting preload
-
- 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/309352—Cutter spindle or spindle support
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Turning (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
前記主軸の外周面の軸受装着部には、該外周面から軸心と反対側に突出し、前記第1玉軸受の内輪の軸方向一端面に当接する第1端面が形成され、前記主軸の外周面の軸受装着部の、前記第2玉軸受の内輪の前記第1軸受と反対側の他端面から軸方向に所定寸法離れた部位に、第2端面が、前記第1端面と平行に、かつ前記外周面から軸心側に段落ちするように形成され、前記第2端面には、フランジ部材が、該フランジ部材の押圧面が該第2端面に密着するように、かつ着脱可能に装着されており、前記第2玉軸受の内輪の前記他端面と前記フランジ部材の押圧面との間に、前記軸受装着部に対してスライド可能のカラー部材が介在されていることを特徴としている。
前記カラー部材の長さを調整することにより予圧力を調整可能としたことを特徴としている。
2b 軸受装着部
2c 第2端面
2f 第1端面
5 主軸頭
5a 軸受装着部
10,10′ 第1,第2玉軸受
11,11′ 内輪
12,12′ 外輪
13,13′ 複数の玉
17 フランジ部材
17a 押圧面
19 カラー部材
Claims (2)
- 内輪と外輪との間に複数の玉を介在させてなる第1玉軸受と第2玉軸受を、内輪同士の間に軸方向位置を規制する内輪間座を、外輪同士の間に軸方向位置を規制する外輪間座をそれぞれ介在させると共に、主軸の外周面と主軸頭の内周面との間に配置することにより、主軸を主軸頭により回転自在に支持する工作機械の、前記玉軸受に軸方向の予圧力を作用させる軸受予圧構造において、
前記主軸の外周面の軸受装着部には、該外周面から軸心と反対側に突出し、前記第1玉軸受の内輪の軸方向一端面に当接する第1端面が形成され、
前記主軸の外周面の軸受装着部の、前記第2玉軸受の内輪の前記第1軸受と反対側の他端面から軸方向に所定寸法離れた部位に、第2端面が、前記第1端面と平行に、かつ前記外周面から軸心側に段落ちするように形成され、
前記第2端面には、フランジ部材が、該フランジ部材の押圧面が該第2端面に密着するように、かつ着脱可能に装着されており、
前記第2玉軸受の内輪の前記他端面と前記フランジ部材の押圧面との間に、前記軸受装着部に対してスライド可能のカラー部材が介在されている
ことを特徴とする工作機械の軸受予圧構造。 - 請求項1に記載の工作機械の軸受予圧構造において、
前記カラー部材の長さを調整することにより予圧力を調整可能とした
ことを特徴とする工作機械の軸受予圧構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010201966A JP5679742B2 (ja) | 2010-09-09 | 2010-09-09 | 工作機械の軸受予圧構造 |
US13/224,307 US9233443B2 (en) | 2010-09-09 | 2011-09-01 | Bearing preload structure of machine tool |
DE102011082180A DE102011082180A1 (de) | 2010-09-09 | 2011-09-06 | Spindellagerungsanordnung für eine Werkzeugmaschine und Werkzeugmaschine mit einer solchen |
CN2011203592313U CN202224665U (zh) | 2010-09-09 | 2011-09-08 | 机床的轴承预负载结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010201966A JP5679742B2 (ja) | 2010-09-09 | 2010-09-09 | 工作機械の軸受予圧構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012056027A JP2012056027A (ja) | 2012-03-22 |
JP5679742B2 true JP5679742B2 (ja) | 2015-03-04 |
Family
ID=45756260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010201966A Active JP5679742B2 (ja) | 2010-09-09 | 2010-09-09 | 工作機械の軸受予圧構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9233443B2 (ja) |
JP (1) | JP5679742B2 (ja) |
CN (1) | CN202224665U (ja) |
DE (1) | DE102011082180A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5966651B2 (ja) * | 2012-06-19 | 2016-08-10 | 株式会社ジェイテクト | 主軸装置 |
CN104741633B (zh) * | 2015-03-27 | 2017-03-01 | 东南大学 | 一种主轴电机转子自锁紧式装配装置 |
KR101778847B1 (ko) * | 2015-08-20 | 2017-09-14 | 현대위아 주식회사 | 주축 및 이를 포함하는 공작기계 |
CN106595954A (zh) * | 2016-12-19 | 2017-04-26 | 东莞市科隆实业有限公司 | 一种平衡机主轴 |
CN111215647A (zh) * | 2019-11-14 | 2020-06-02 | 珠海格力电器股份有限公司 | 主轴组件、主轴和车床 |
CN115711262B (zh) * | 2021-08-23 | 2023-06-16 | 中国科学院理化技术研究所 | 一种旋转机械的主轴支撑结构及旋转机械 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1881522A (en) * | 1929-05-01 | 1932-10-11 | Heald Machine Co | Workhead |
US1904395A (en) * | 1930-09-17 | 1933-04-18 | Pratt & Whitney Co | Spindle bearing |
US2173561A (en) * | 1937-09-24 | 1939-09-19 | Clarence T Olson | Take-up device for antifriction bearings |
US2227697A (en) * | 1938-01-14 | 1941-01-07 | Heald Machine Co | Tool head for grinding machines and the like |
US3222991A (en) * | 1964-05-22 | 1965-12-14 | Cincinnati Milling Machine Co | Bearing preload mechanism for machine tool |
US4551032A (en) * | 1984-07-16 | 1985-11-05 | The Cross Company | Mechanism for pre-loading bearings |
US4657412A (en) * | 1985-03-25 | 1987-04-14 | The Torrington Company | Variable preload bearing assembly |
US4611934A (en) * | 1985-09-09 | 1986-09-16 | Cincinnati Milacron Inc. | Device for preloading bearings |
JPH0826898B2 (ja) * | 1989-03-30 | 1996-03-21 | キタムラ機械株式会社 | 軸受用予圧装置 |
US5051005A (en) * | 1990-08-17 | 1991-09-24 | The Torrington Company | Variable preload bearing apparatus |
JP2677505B2 (ja) | 1993-07-07 | 1997-11-17 | 株式会社牧野フライス製作所 | 工作機械の主軸装置 |
JP2000237902A (ja) | 1999-02-17 | 2000-09-05 | Matsuura Machinery Corp | 主軸装置 |
US7281331B1 (en) * | 1999-04-13 | 2007-10-16 | Thermwood Corporation | Spindle assembly for machine tools and method of fabricating same |
JP4649713B2 (ja) * | 2000-08-11 | 2011-03-16 | 株式会社ジェイテクト | 車軸用軸受装置 |
JP4478942B2 (ja) * | 2004-10-26 | 2010-06-09 | 株式会社ニイガタマシンテクノ | 軸受固定装置 |
JP4317943B2 (ja) * | 2005-02-08 | 2009-08-19 | キタムラ機械株式会社 | 回転装置 |
US7241213B2 (en) * | 2005-03-30 | 2007-07-10 | Stork Townsend, Inc. | Open top meat skinning device |
JP4668160B2 (ja) * | 2006-11-09 | 2011-04-13 | 株式会社森精機製作所 | 軸受ユニット及び該軸受ユニットを備えた工作機械の主軸装置 |
JP5022695B2 (ja) * | 2006-12-22 | 2012-09-12 | 株式会社森精機製作所 | 主軸装置 |
JP2008185062A (ja) * | 2007-01-26 | 2008-08-14 | Nsk Ltd | 荷重支持装置 |
-
2010
- 2010-09-09 JP JP2010201966A patent/JP5679742B2/ja active Active
-
2011
- 2011-09-01 US US13/224,307 patent/US9233443B2/en active Active - Reinstated
- 2011-09-06 DE DE102011082180A patent/DE102011082180A1/de active Pending
- 2011-09-08 CN CN2011203592313U patent/CN202224665U/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN202224665U (zh) | 2012-05-23 |
DE102011082180A1 (de) | 2012-03-15 |
US9233443B2 (en) | 2016-01-12 |
JP2012056027A (ja) | 2012-03-22 |
US20120082408A1 (en) | 2012-04-05 |
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