JP6997763B2 - 主軸装置 - Google Patents
主軸装置 Download PDFInfo
- Publication number
- JP6997763B2 JP6997763B2 JP2019508059A JP2019508059A JP6997763B2 JP 6997763 B2 JP6997763 B2 JP 6997763B2 JP 2019508059 A JP2019508059 A JP 2019508059A JP 2019508059 A JP2019508059 A JP 2019508059A JP 6997763 B2 JP6997763 B2 JP 6997763B2
- Authority
- JP
- Japan
- Prior art keywords
- coolant
- spindle
- temperature
- bearing
- rotation speed
- 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.)
- Active
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Classifications
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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
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/042—Housings for rolling element bearings for rotary movement
-
- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/525—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to temperature and heat, e.g. insulation
-
- 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
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- 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
- B23Q11/121—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction
- B23Q11/123—Arrangements for cooling or lubricating parts of the machine with lubricating effect for reducing friction for lubricating spindle bearings
-
- 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
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
-
- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/20—Thermal properties
- F16C2202/22—Coefficient of expansion
-
- 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
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/02—Carbon based material
- F16C2206/06—Composite carbon material, e.g. carbon fibre reinforced carbon (C/C)
-
- 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
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Turning (AREA)
- Mounting Of Bearings Or Others (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Description
12 ハウジング
13 リアハウジング
14 主軸
16a,16b,17 軸受
18 工具
21,23,25,26 流路
35 主軸モータ
36 エンコーダ
41,42 冷却液供給装置
43,44 温度センサ
82 制御装置
86 主軸モータ制御部
87 冷却液制御部
Claims (1)
- 工作機械に取り付けられ、工具またはワークを回転する主軸装置であって、
工具またはワークを支持する主軸と、
前記主軸を回転させる主軸モータと、
内輪、転動体、および外輪を有し、内輪にて前記主軸を支持する転がり軸受と、
転がり軸受の外輪を固定する軸受支持部と、
前記軸受支持部に第1の冷却液を供給する第1の冷却液供給装置と、
前記第1の冷却液供給装置にて供給される第1の冷却液の温度を調整するように該第1の冷却液供給装置を制御する制御装置と、を備え、
前記軸受支持部は、前記主軸よりも熱膨張係数が大きい材質にて形成されており、第1の冷却液が流れる第1の流路を有し、
第1の流路は、前記転がり軸受の外輪の側方に配置されており、
前記第1の冷却液供給装置は、第1の冷却液の温度を調整する機能を有し、第1の流路に第1の冷却液を供給し、
前記制御装置は、前記主軸モータの回転速度が予め定められた判定値以下の場合に第1の冷却液の温度を一定に維持する制御と、前記主軸モータの回転速度が前記判定値よりも大きい場合に前記主軸モータの回転速度が高くなるほど第1の冷却液の温度を上昇させる制御とを実施することを特徴とする、主軸装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/013401 WO2018179280A1 (ja) | 2017-03-30 | 2017-03-30 | 主軸装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018179280A1 JPWO2018179280A1 (ja) | 2019-11-07 |
JP6997763B2 true JP6997763B2 (ja) | 2022-01-18 |
Family
ID=63674426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019508059A Active JP6997763B2 (ja) | 2017-03-30 | 2017-03-30 | 主軸装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11148241B2 (ja) |
EP (1) | EP3604843B1 (ja) |
JP (1) | JP6997763B2 (ja) |
CN (1) | CN110325752A (ja) |
WO (1) | WO2018179280A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6640394B1 (ja) * | 2019-02-25 | 2020-02-05 | 株式会社日立パワーソリューションズ | ロールプレス装置の軸受冷却機構および軸受冷却方法並びにロールプレス装置 |
JP7303029B2 (ja) * | 2019-06-06 | 2023-07-04 | ファナック株式会社 | 工作機械およびシステム |
CN110285137B (zh) * | 2019-07-10 | 2020-12-18 | 安徽晨光精工机电科技有限公司 | 一种用于压力容器搅拌装置的旋转支承结构 |
JP7340445B2 (ja) * | 2019-12-25 | 2023-09-07 | オークマ株式会社 | 主軸装置 |
JP2023028317A (ja) * | 2021-08-19 | 2023-03-03 | 株式会社オータマ | 回転伝達シャフトユニット、およびそれを用いたモーターおよびインバーターテストベンチおよびemc試験設備装置 |
WO2023073796A1 (ja) * | 2021-10-26 | 2023-05-04 | 株式会社ジェイテクト | 主軸装置 |
CN114939831B (zh) * | 2022-07-26 | 2023-04-18 | 江苏京创先进电子科技有限公司 | 一种冷却水与切割液的温控***及温控方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003056582A (ja) | 2001-08-13 | 2003-02-26 | Makino Milling Mach Co Ltd | 回転軸装置 |
JP2010023158A (ja) | 2008-07-17 | 2010-02-04 | Niigata Machine Techno Co Ltd | 工作機械の冷却システム |
Family Cites Families (27)
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JPH0487704A (ja) * | 1990-07-31 | 1992-03-19 | Nippondenso Co Ltd | 工作機械のスピンドル装置 |
JP2971115B2 (ja) * | 1990-10-01 | 1999-11-02 | 日本電産株式会社 | スピンドルモータ |
JPH0610949A (ja) * | 1992-06-22 | 1994-01-21 | Riken Corp | 軸受機構 |
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ATE389502T1 (de) * | 2004-03-22 | 2008-04-15 | Paul Mueller Gmbh & Co Kg | Spindel für eine werkzeugmaschine mit einem lagerelement mit einer kapillaren zuleitung zur zuführung von schmierstoff |
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CN203830747U (zh) * | 2014-05-27 | 2014-09-17 | 周贵英 | 高效冷却的主轴装置 |
CN104108047B (zh) * | 2014-07-18 | 2016-08-03 | 西安交通大学 | 一种电主轴轴芯冷却*** |
WO2016128515A1 (de) * | 2015-02-12 | 2016-08-18 | Franz Kessler Gmbh | Werkzeugmaschine und werkzeugmaschineneinheit |
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-
2017
- 2017-03-30 US US16/498,702 patent/US11148241B2/en active Active
- 2017-03-30 JP JP2019508059A patent/JP6997763B2/ja active Active
- 2017-03-30 EP EP17904011.8A patent/EP3604843B1/en active Active
- 2017-03-30 WO PCT/JP2017/013401 patent/WO2018179280A1/ja unknown
- 2017-03-30 CN CN201780086333.2A patent/CN110325752A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003056582A (ja) | 2001-08-13 | 2003-02-26 | Makino Milling Mach Co Ltd | 回転軸装置 |
JP2010023158A (ja) | 2008-07-17 | 2010-02-04 | Niigata Machine Techno Co Ltd | 工作機械の冷却システム |
Also Published As
Publication number | Publication date |
---|---|
EP3604843B1 (en) | 2022-02-09 |
US11148241B2 (en) | 2021-10-19 |
US20210101234A1 (en) | 2021-04-08 |
CN110325752A (zh) | 2019-10-11 |
EP3604843A4 (en) | 2020-12-16 |
JPWO2018179280A1 (ja) | 2019-11-07 |
WO2018179280A1 (ja) | 2018-10-04 |
EP3604843A1 (en) | 2020-02-05 |
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