JP6742068B2 - 合成樹脂製保持器および玉軸受 - Google Patents
合成樹脂製保持器および玉軸受 Download PDFInfo
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- JP6742068B2 JP6742068B2 JP2014224195A JP2014224195A JP6742068B2 JP 6742068 B2 JP6742068 B2 JP 6742068B2 JP 2014224195 A JP2014224195 A JP 2014224195A JP 2014224195 A JP2014224195 A JP 2014224195A JP 6742068 B2 JP6742068 B2 JP 6742068B2
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- Prior art keywords
- cage
- synthetic resin
- ball
- balls
- 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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- 229920003002 synthetic resin Polymers 0.000 title claims description 55
- 239000000057 synthetic resin Substances 0.000 title claims description 55
- 238000003825 pressing Methods 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- 210000000078 claw Anatomy 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
- F16C33/3862—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together
- F16C33/3875—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages comprising two annular parts joined together made from plastic, e.g. two injection moulded parts joined by a snap fit
-
- 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
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
- F16C2208/04—Glass fibres
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/36—Polyarylene ether ketones [PAEK], e.g. PEK, PEEK
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/52—Polyphenylene sulphide [PPS]
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/60—Polyamides [PA]
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
- F16C2208/60—Polyamides [PA]
- F16C2208/62—Polyamides [PA] high performance polyamides, e.g. PA12, PA46
-
- 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
-
- 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
- F16C2240/60—Thickness, e.g. thickness of coatings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
軸方向に対向する合成樹脂製の2枚の環状体を有し、
その2枚の環状体の各対向面には、玉を収容する複数のポケットが周方向に間隔をおいて形成され、
前記各環状体は、前記各ポケットの内面を形成する軸方向に凹に湾曲した弧状のポケット壁部と、隣り合うポケット壁部同士を連結する平板状の連結板部とからなる合成樹脂製保持器において、
前記連結板部の軸方向の厚さを、前記玉の直径の30%以下とし、
前記ポケットの最も深い位置での前記ポケット壁部の厚さを、前記玉の直径の10%以下としたことを特徴とする合成樹脂製保持器。
前記ポケットの最も深い位置での前記ポケット壁部の厚さを、前記玉の直径の5〜8%の範囲に設定することができる。
2 外輪
3 玉
4 保持器
9 環状体
10 対向面
11 ポケット
11a ポケットの最も深い位置
12 ポケット壁部
13 連結板部
14 円筒面
A,B 厚さ
Claims (3)
- 軸方向に対向する合成樹脂製の2枚の環状体(9)を有し、
その2枚の環状体(9)の各対向面(10)には、玉(3)を収容する複数のポケット(11)が周方向に間隔をおいて形成され、
前記各環状体(9)は、前記各ポケット(11)の内面を形成する軸方向に凹に湾曲した弧状のポケット壁部(12)と、隣り合うポケット壁部(12)同士を連結する平板状の連結板部(13)とからなり、前記各環状体(9)を形成する合成樹脂がポリアミドであり、前記各環状体(9)を形成する合成樹脂にガラス繊維が20〜30重量%添加されている合成樹脂製保持器において、
前記連結板部(13)の軸方向の厚さ(A)を、前記玉(3)の直径の15〜28%とし、
前記ポケット壁部(12)は、前記ポケット(11)の最も深い位置(11a)を含む内面が前記環状体(9)の半径方向を中心とする円筒面(14)となるように形成され、
前記ポケット(11)の最も深い位置(11a)での前記ポケット壁部(12)の厚さ(B)を、前記玉(3)の直径の5〜8%としたことを特徴とする合成樹脂製保持器。 - 軸受回転中の玉(3)の遅れまたは進みにより玉(3)の質量の150倍相当の押圧力が前記玉(3)から前記連結板部(13)に作用したときに主応力が最大となる部位での主応力の大きさが32Mpa以下である請求項1に記載の合成樹脂製保持器。
- 内輪(1)と、外輪(2)と、内輪(1)と外輪(2)の間に周方向に間隔をおいて組み込まれた複数の玉(3)と、その玉(3)を保持する請求項1または2に記載の合成樹脂製保持器(4)とを有する玉軸受。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014224195A JP6742068B2 (ja) | 2014-11-04 | 2014-11-04 | 合成樹脂製保持器および玉軸受 |
US15/520,587 US9982716B2 (en) | 2014-11-04 | 2015-10-13 | Synthetic resin retainer and ball bearing |
DE112015005001.9T DE112015005001T5 (de) | 2014-11-04 | 2015-10-13 | Kunstharzhalterung und Kugellager |
CN201580055624.6A CN106795915B (zh) | 2014-11-04 | 2015-10-13 | 合成树脂制保持器以及滚珠轴承 |
PCT/JP2015/078884 WO2016072223A1 (ja) | 2014-11-04 | 2015-10-13 | 合成樹脂製保持器および玉軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014224195A JP6742068B2 (ja) | 2014-11-04 | 2014-11-04 | 合成樹脂製保持器および玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016089924A JP2016089924A (ja) | 2016-05-23 |
JP6742068B2 true JP6742068B2 (ja) | 2020-08-19 |
Family
ID=55908950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014224195A Active JP6742068B2 (ja) | 2014-11-04 | 2014-11-04 | 合成樹脂製保持器および玉軸受 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9982716B2 (ja) |
JP (1) | JP6742068B2 (ja) |
CN (1) | CN106795915B (ja) |
DE (1) | DE112015005001T5 (ja) |
WO (1) | WO2016072223A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7535372B2 (ja) * | 2018-09-21 | 2024-08-16 | Ntn株式会社 | 玉軸受用保持器および転がり軸受 |
US11131344B1 (en) * | 2020-04-24 | 2021-09-28 | Schaeffler Technologies AG & Co. KG | Snap-fit ball bearing cage |
CN113464556B (zh) * | 2021-06-30 | 2022-08-19 | 人本股份有限公司 | 具有保持架的深沟球轴承 |
CN113530978B (zh) * | 2021-06-30 | 2023-02-21 | 人本股份有限公司 | 深沟球轴承 |
US20240167511A1 (en) * | 2022-11-21 | 2024-05-23 | Aktiebolaget Skf | Two-part bearing cage for a rolling bearing |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH485959A (it) | 1968-04-23 | 1970-02-15 | Riv Officine Di Villar Perosa | Gabbia per cuscinetti a sfere |
JPS4719123Y1 (ja) | 1970-12-11 | 1972-06-30 | ||
SE8306211L (sv) * | 1983-11-11 | 1985-05-12 | Skf Ab | Rullningslagerhallare |
JP4340419B2 (ja) * | 2002-05-27 | 2009-10-07 | Ntn株式会社 | 合成樹脂製保持器 |
JP2004076778A (ja) * | 2002-08-12 | 2004-03-11 | Ntn Corp | 合成樹脂製保持器および深溝玉軸受 |
JP4772381B2 (ja) * | 2004-06-03 | 2011-09-14 | Ntn株式会社 | 合成樹脂製保持器およびこの保持器を用いた玉軸受 |
JP2006194139A (ja) * | 2005-01-13 | 2006-07-27 | Nsk Ltd | カムフォロア装置 |
JP4471864B2 (ja) * | 2005-02-18 | 2010-06-02 | Ntn株式会社 | 玉軸受 |
JP2006258172A (ja) * | 2005-03-16 | 2006-09-28 | Ntn Corp | 合成樹脂製保持器 |
JP2007332994A (ja) * | 2006-06-12 | 2007-12-27 | Nsk Ltd | 転がり軸受用保持器及び転がり軸受 |
JP4612597B2 (ja) | 2006-09-05 | 2011-01-12 | Ntn株式会社 | 合成樹脂製保持器 |
JP2008138835A (ja) * | 2006-12-05 | 2008-06-19 | Ntn Corp | オルタネータ用軸受 |
JP5257771B2 (ja) * | 2008-11-06 | 2013-08-07 | Ntn株式会社 | 転がり軸受用保持器及び転がり軸受 |
JP5697367B2 (ja) * | 2010-06-14 | 2015-04-08 | Ntn株式会社 | 玉軸受用保持器および玉軸受 |
JP5876237B2 (ja) * | 2011-06-27 | 2016-03-02 | Ntn株式会社 | 玉軸受用の合成樹脂製保持器および玉軸受 |
JP2013077058A (ja) * | 2011-09-29 | 2013-04-25 | Nsk Ltd | 保持器の有限要素法解析手法および強度解析システム |
JP2013096434A (ja) * | 2011-10-28 | 2013-05-20 | Ntn Corp | 樹脂保持器及び深みぞ玉軸受 |
JP2013213555A (ja) * | 2012-04-03 | 2013-10-17 | Ntn Corp | 合成樹脂製保持器および玉軸受 |
CN203756744U (zh) * | 2014-04-10 | 2014-08-06 | 余姚康天轴承有限公司 | 一种塑料轴承 |
CN103953648A (zh) * | 2014-05-23 | 2014-07-30 | 杨静 | 轴承 |
-
2014
- 2014-11-04 JP JP2014224195A patent/JP6742068B2/ja active Active
-
2015
- 2015-10-13 WO PCT/JP2015/078884 patent/WO2016072223A1/ja active Application Filing
- 2015-10-13 US US15/520,587 patent/US9982716B2/en active Active
- 2015-10-13 CN CN201580055624.6A patent/CN106795915B/zh active Active
- 2015-10-13 DE DE112015005001.9T patent/DE112015005001T5/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE112015005001T5 (de) | 2017-08-03 |
WO2016072223A1 (ja) | 2016-05-12 |
US20170314619A1 (en) | 2017-11-02 |
CN106795915B (zh) | 2019-07-12 |
JP2016089924A (ja) | 2016-05-23 |
US9982716B2 (en) | 2018-05-29 |
CN106795915A (zh) | 2017-05-31 |
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