JP6765920B2 - アンギュラ玉軸受およびこれを用いたボールねじ装置 - Google Patents
アンギュラ玉軸受およびこれを用いたボールねじ装置 Download PDFInfo
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- JP6765920B2 JP6765920B2 JP2016189478A JP2016189478A JP6765920B2 JP 6765920 B2 JP6765920 B2 JP 6765920B2 JP 2016189478 A JP2016189478 A JP 2016189478A JP 2016189478 A JP2016189478 A JP 2016189478A JP 6765920 B2 JP6765920 B2 JP 6765920B2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- angular contact
- diameter
- outer ring
- raceway groove
- 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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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
- 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
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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
- 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
-
- 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
- F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing 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
- F16C31/00—Bearings for parts which both rotate and move linearly
- F16C31/04—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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
-
- 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
- F16C33/37—Loose spacing bodies
- F16C33/3706—Loose spacing bodies with concave surfaces conforming to the shape of the rolling elements, e.g. the spacing bodies are in sliding contact with the rolling elements
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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
- 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
-
- 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
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- 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
- F16C2240/30—Angles, e.g. inclinations
- F16C2240/34—Contact angles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
また、すべての玉とセパレータ保持器を軸受の周方向に寄せ集めて集合体を形成したとき、この集合体の両端間のすきまが玉の直径の15〜25%である。
1a…内輪軌道溝
1b…肩部(内輪軌道溝よりも背面側の部分)
2…外輪
2a…外輪軌道溝
2b…肩部(外輪軌道溝よりも背面側の部分)
3…玉
4…セパレータ保持器
26,27,28,29…ボールねじ装置
31…ねじ軸
2…ナット
D1…外輪の外径寸法
D2…外輪における外輪軌道溝よりも背面側の部分の内径寸法
Da…玉の直径
H…外輪軌道溝の最深部の溝深さ
J…アンギュラ玉軸受
d1…内輪の内径寸法
d2…内輪における内輪軌道溝よりも背面側の部分の外径寸法
h…内輪軌道溝の最深部の溝深さ
G…最後すきま
PC…玉のピッチ円
PCD…玉のピッチ円径
α…最大傾斜角
θ…接触角
Claims (9)
- 内輪の外周面に形成された内輪軌道溝と外輪の内周面に形成された外輪軌道溝間に複数の玉が転動自在に介在するアンギュラ玉軸受であって、前記複数の玉は、隣合う玉間に介在して互いに分離した複数のセパレータ保持器によって保持され、前記玉の接触角が45°ないし65°の範囲内であり、すべての前記玉と前記セパレータ保持器を軸受の周方向に寄せ集めて集合体を形成したとき、この集合体の両端間のすきまが玉の直径の15〜25%であるアンギュラ玉軸受。
- 請求項1に記載のアンギュラ玉軸受において、前記セパレータ保持器は、両側面に前記玉の一部が嵌まり込む凹球面状のポケットを有し、前記ポケットの球面直径が前記玉の玉径の105〜125%であるアンギュラ玉軸受。
- 請求項1または請求項2に記載のアンギュラ玉軸受において、前記玉の直径が、前記外輪の外径寸法と前記内輪の内径寸法の差の1/2の68%以上であるアンギュラ玉軸受。
- 請求項1ないし請求項3のいずれか1項に記載のアンギュラ玉軸受において、前記内輪における前記内輪軌道溝よりも内輪背面側の部分である肩部における、外周面と前記内輪軌道溝との境界部に形成された面取りを除いた部分に対する前記内輪軌道溝の最深部の溝深さ、および前記外輪における前記外輪軌道溝よりも外輪背面側の部分である肩部における、内周面と前記外輪軌道溝との境界部に形成された面取りを除いた部分に対する前記外輪軌道溝の最深部の溝深さが、前記玉の直径の47%以上であるアンギュラ玉軸受。
- 請求項1ないし請求項4のいずれか1項に記載のアンギュラ玉軸受において、前記内輪における前記内輪軌道溝よりも背面側の部分の外径寸法、および前記外輪における前記外輪軌道溝よりも背面側の部分の内径寸法が、前記玉のピッチ円径と同じであるアンギュラ玉軸受。
- 請求項3に記載のアンギュラ玉軸受において、前記セパレータ保持器の外径および幅は、隣合う2つの玉の間で前記セパレータ保持器が軸受の径方向から周方向に最大角度傾斜したとき、前記セパレータ保持器の前記径方向の外端部が一方の玉と前記外輪の内面とに接触し、内端部が他方の玉におけるピッチ円よりも内径側の部分に接触するような大きさに設定されているアンギュラ玉軸受。
- 請求項6に記載のアンギュラ玉軸受において、前記セパレータ保持器の外径寸法が玉の直径の75〜85%であり、かつセパレータ保持器の幅寸法が玉の直径の20〜50%であるアンギュラ玉軸受。
- ボールねじの支持に用いられる請求項1ないし請求項7のいずれか1項に記載のアンギュラ玉軸受。
- 請求項1ないし請求項8のいずれか1項に記載のアンギュラ玉軸受にボールねじのねじ軸またはナットが支持されたボールねじ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/079464 WO2017061417A1 (ja) | 2015-10-05 | 2016-10-04 | アンギュラ玉軸受およびこれを用いたボールねじ装置 |
DE112016004538.7T DE112016004538T5 (de) | 2015-10-05 | 2016-10-04 | Schrägkugellager und Kugellagervorrichtung mit Schrägkugellager |
CN201680058046.6A CN108138839B (zh) | 2015-10-05 | 2016-10-04 | 角接触滚珠轴承和采用它的滚珠丝杠装置 |
US15/941,897 US20180223899A1 (en) | 2015-10-05 | 2018-03-30 | Angular contact ball bearing, and ball screw device using same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015197525 | 2015-10-05 | ||
JP2015197525 | 2015-10-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017072249A JP2017072249A (ja) | 2017-04-13 |
JP6765920B2 true JP6765920B2 (ja) | 2020-10-07 |
Family
ID=58537158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016189478A Active JP6765920B2 (ja) | 2015-10-05 | 2016-09-28 | アンギュラ玉軸受およびこれを用いたボールねじ装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180223899A1 (ja) |
JP (1) | JP6765920B2 (ja) |
CN (1) | CN108138839B (ja) |
DE (1) | DE112016004538T5 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016219647A1 (de) * | 2016-10-10 | 2018-04-12 | Aktiebolaget Skf | Schrägkugellager und Getriebeanordnung |
DE202017107296U1 (de) * | 2017-09-08 | 2018-12-12 | Liebherr-Components Biberach Gmbh | Wälzlager |
CN112065672A (zh) * | 2019-06-11 | 2020-12-11 | 北京金风慧能技术有限公司 | 风力发电机组、转盘轴承及用于转盘轴承的隔离块 |
CN110778606A (zh) * | 2019-12-06 | 2020-02-11 | 山东博特轴承有限公司 | 滚珠保持架及角接触球轴承 |
CN110826162B (zh) * | 2019-12-16 | 2023-04-07 | 中国航发哈尔滨轴承有限公司 | 双半内圈球轴承内外双锁结构保持架设计方法 |
CN111550625B (zh) * | 2020-05-09 | 2022-04-01 | 中国船舶重工集团公司第七一六研究所 | 一种大口径超低温动态旋转密封接头 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2581803A1 (en) * | 2006-03-13 | 2007-09-13 | Roller Bearing Company Of America, Inc. | Tandem stack angular contact bearing for rotary wing aircraft |
US8167501B2 (en) * | 2009-02-02 | 2012-05-01 | Hamilton Sundstrand Corporation | Separator for bearing assemblies with cyclic loads |
JP2011094719A (ja) * | 2009-10-30 | 2011-05-12 | Nsk Ltd | 玉軸受 |
CN201982512U (zh) * | 2011-01-27 | 2011-09-21 | 浙江天马轴承股份有限公司 | 非标薄壁角接触球轴承的保持架 |
JP5817145B2 (ja) * | 2011-02-25 | 2015-11-18 | 日本精工株式会社 | 多列組合せ玉軸受 |
DE102012223316B3 (de) * | 2012-12-17 | 2014-05-08 | Aktiebolaget Skf | Wälzlager |
JP6376212B2 (ja) * | 2014-02-27 | 2018-08-22 | 日本精工株式会社 | アンギュラ玉軸受 |
JP2015197525A (ja) | 2014-03-31 | 2015-11-09 | ブラザー工業株式会社 | 画像形成装置 |
JP5854090B2 (ja) * | 2014-06-18 | 2016-02-09 | 日本精工株式会社 | 玉軸受、並びに搬送装置及び搬送ロボット |
JP6081008B2 (ja) | 2016-06-13 | 2017-02-15 | 株式会社東京精密 | ウェハ加工装置及びウェハ加工方法 |
-
2016
- 2016-09-28 JP JP2016189478A patent/JP6765920B2/ja active Active
- 2016-10-04 DE DE112016004538.7T patent/DE112016004538T5/de active Pending
- 2016-10-04 CN CN201680058046.6A patent/CN108138839B/zh active Active
-
2018
- 2018-03-30 US US15/941,897 patent/US20180223899A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2017072249A (ja) | 2017-04-13 |
DE112016004538T5 (de) | 2018-07-12 |
CN108138839A (zh) | 2018-06-08 |
US20180223899A1 (en) | 2018-08-09 |
CN108138839B (zh) | 2019-10-08 |
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