TWI670425B - 內建馬達之轉軸用滾珠軸承 - Google Patents

內建馬達之轉軸用滾珠軸承 Download PDF

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Publication number
TWI670425B
TWI670425B TW104123384A TW104123384A TWI670425B TW I670425 B TWI670425 B TW I670425B TW 104123384 A TW104123384 A TW 104123384A TW 104123384 A TW104123384 A TW 104123384A TW I670425 B TWI670425 B TW I670425B
Authority
TW
Taiwan
Prior art keywords
bearing
built
air
ball bearing
shaft
Prior art date
Application number
TW104123384A
Other languages
English (en)
Chinese (zh)
Other versions
TW201612432A (en
Inventor
金本崇広
古山峰夫
那須恵介
Original Assignee
日商恩天股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日商恩天股份有限公司 filed Critical 日商恩天股份有限公司
Publication of TW201612432A publication Critical patent/TW201612432A/zh
Application granted granted Critical
Publication of TWI670425B publication Critical patent/TWI670425B/zh

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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
    • 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
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
    • F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • F16C33/3856—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide 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
    • F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
    • F16C33/6607—Retaining the grease in or near the bearing
    • F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or 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
    • 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
    • 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
    • F16C33/6633—Grease properties or compositions, e.g. rheological properties
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7846—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with a gap between the annular disc and the inner race
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • 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
    • 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
    • F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
    • F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings 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
    • 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
    • F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling 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
    • 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
    • F16C2240/80—Pitch circle diameters [PCD]
    • 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 buildup 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Sealing Of Bearings (AREA)
  • Motor Or Generator Frames (AREA)
TW104123384A 2014-07-22 2015-07-20 內建馬達之轉軸用滾珠軸承 TWI670425B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-148451 2014-07-22
JP2014148451A JP6339433B2 (ja) 2014-07-22 2014-07-22 モータ内蔵スピンドル用玉軸受

Publications (2)

Publication Number Publication Date
TW201612432A TW201612432A (en) 2016-04-01
TWI670425B true TWI670425B (zh) 2019-09-01

Family

ID=55162970

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104123384A TWI670425B (zh) 2014-07-22 2015-07-20 內建馬達之轉軸用滾珠軸承

Country Status (6)

Country Link
US (1) US10197092B2 (enExample)
EP (1) EP3173644B1 (enExample)
JP (1) JP6339433B2 (enExample)
CN (1) CN106662157B (enExample)
TW (1) TWI670425B (enExample)
WO (1) WO2016013443A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017172650A (ja) * 2016-03-23 2017-09-28 Ntn株式会社 モータ内蔵スピンドル用玉軸受
EP3609429B1 (de) * 2017-04-11 2023-03-08 W & H Dentalwerk Bürmoos GmbH Wälzlager und medizinisches oder dentales, druckgasbetriebenes handstück
JP7003683B2 (ja) * 2017-09-01 2022-01-20 日本精工株式会社 アンギュラ玉軸受、軸受装置、及び主軸装置
JP7050632B2 (ja) 2018-09-07 2022-04-08 Ntn株式会社 転がり軸受およびこの転がり軸受を備えたスピンドル装置
GB2595882A (en) * 2020-06-09 2021-12-15 Edwards Ltd Vacuum bearing
US11306780B1 (en) * 2021-03-02 2022-04-19 Aktiebolaget Skf Bearing assembly with lubricant retainers

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173956A (ja) * 1991-07-11 1994-06-21 Ngk Spark Plug Co Ltd 転がり軸受
JPH112248A (ja) * 1997-06-12 1999-01-06 Nippon Seiko Kk 転がり軸受
JP2006077918A (ja) * 2004-09-10 2006-03-23 Nsk Ltd 転がり軸受
TW200848503A (en) * 2007-02-26 2008-12-16 Ntn Toyo Bearing Co Ltd Grease for high-speed bearing and rolling bearing for high speed

Family Cites Families (27)

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Publication number Priority date Publication date Assignee Title
US3121597A (en) * 1961-04-06 1964-02-18 Fafnir Bearing Co Retainer for anti-friction bearings
US3161448A (en) * 1963-07-05 1964-12-15 Fafnir Bearing Co Outer ring for antifriction bearing
DE3147495A1 (de) * 1981-12-01 1983-06-09 Mueller Georg Nuernberg Waelzlager-abdichtung
US5435654A (en) * 1993-09-27 1995-07-25 Nsk Ltd Seal device for rolling bearing
JPH08135667A (ja) * 1994-11-14 1996-05-31 Nippon Seiko Kk 転がり軸受用密封装置
JPH11257363A (ja) 1998-03-13 1999-09-21 Nippon Seiko Kk 転がり軸受
JP4003343B2 (ja) * 1999-04-07 2007-11-07 いすゞ自動車株式会社 軸受冷却装置
US6709161B2 (en) * 2001-07-31 2004-03-23 Nsk Ltd. Angular contact ball bearing and spindle device
JP2003049857A (ja) * 2001-08-07 2003-02-21 Nsk Ltd 転がり軸受
JP2003287031A (ja) * 2002-03-29 2003-10-10 Nsk Ltd 玉軸受
JP2005199828A (ja) 2004-01-14 2005-07-28 Toyota Motor Corp インホイールモータの冷却装置
JP2006161882A (ja) * 2004-12-03 2006-06-22 Ntn Corp 転がり軸受用保持器
DE502006008128D1 (de) * 2006-03-22 2010-12-02 Paul Mueller Gmbh & Co Kg Lager mit porösem Element zur Aufnahme von Schmiermittel
JP2008151181A (ja) * 2006-12-14 2008-07-03 Ntn Corp 転がり軸受
JP2009092127A (ja) * 2007-10-09 2009-04-30 Jtekt Corp 転がり軸受
FR2923277B1 (fr) 2007-11-05 2010-04-09 Skf Ab Palier a roulement a lubrification interne
JP5215114B2 (ja) * 2008-02-14 2013-06-19 Ｎｔｎ株式会社 転がり軸受
JP2009275719A (ja) * 2008-05-12 2009-11-26 Nsk Ltd 深溝玉軸受
US8523450B2 (en) 2008-12-10 2013-09-03 Nsk Ltd. Ball bearing and hybrid vehicle transmission
JP3150371U (ja) 2009-02-26 2009-05-07 ミニター株式会社 加工機
JP5463687B2 (ja) * 2009-02-26 2014-04-09 株式会社ジェイテクト 転がり軸受
JP2011256914A (ja) * 2010-06-08 2011-12-22 Nsk Ltd 深溝玉軸受
JP2013063727A (ja) 2011-09-20 2013-04-11 Nissan Motor Co Ltd インホイールモータユニットの冷却構造
CN104067010A (zh) * 2012-01-23 2014-09-24 Skf公司 具有内部润滑的滚动轴承组件
CN202612385U (zh) 2012-06-19 2012-12-19 宁波东煌轴承有限公司 一种低扭矩高效节能深沟球轴承
JP2014070669A (ja) 2012-09-28 2014-04-21 Nsk Ltd 玉軸受用保持器及び玉軸受
JP5835199B2 (ja) * 2012-12-04 2015-12-24 株式会社ジェイテクト 玉軸受

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173956A (ja) * 1991-07-11 1994-06-21 Ngk Spark Plug Co Ltd 転がり軸受
JPH112248A (ja) * 1997-06-12 1999-01-06 Nippon Seiko Kk 転がり軸受
JP2006077918A (ja) * 2004-09-10 2006-03-23 Nsk Ltd 転がり軸受
TW200848503A (en) * 2007-02-26 2008-12-16 Ntn Toyo Bearing Co Ltd Grease for high-speed bearing and rolling bearing for high speed

Also Published As

Publication number Publication date
WO2016013443A1 (ja) 2016-01-28
EP3173644B1 (en) 2020-10-21
JP2016023719A (ja) 2016-02-08
TW201612432A (en) 2016-04-01
CN106662157A (zh) 2017-05-10
EP3173644A1 (en) 2017-05-31
EP3173644A4 (en) 2018-06-27
US10197092B2 (en) 2019-02-05
US20170191524A1 (en) 2017-07-06
JP6339433B2 (ja) 2018-06-06
CN106662157B (zh) 2019-07-05

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