JP6846980B2 - 玉軸受 - Google Patents
玉軸受 Download PDFInfo
- Publication number
- JP6846980B2 JP6846980B2 JP2017087107A JP2017087107A JP6846980B2 JP 6846980 B2 JP6846980 B2 JP 6846980B2 JP 2017087107 A JP2017087107 A JP 2017087107A JP 2017087107 A JP2017087107 A JP 2017087107A JP 6846980 B2 JP6846980 B2 JP 6846980B2
- Authority
- JP
- Japan
- Prior art keywords
- inner ring
- cam
- ring
- ball bearing
- diameter surface
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005336 cracking Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical compound [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
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
- 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
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
-
- 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
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Retarders (AREA)
Description
2 サーキュラスプライン
3 フレクスプライン
4 カム
4a 外周面
5 内輪
5a 内径面
6 外輪
6a 外径面
9 玉
t 内輪肉厚
B 内輪の幅
L1 楕円周長
L2 円周長
T 軸受断面高さ
Claims (4)
- 波動歯車装置のカムに嵌合する内径面を有する内輪と、前記波動歯車装置のフレクスプラインの内側に嵌合する外径面を有する外輪と、前記内輪と前記外輪との間に介在する複数の玉と、を備える玉軸受において、
前記カムに楕円状に形成された外周面の楕円周長をL1とし、前記内輪の内径面の円周長をL2としたとき、L1/L2の値が、1.0001以上1.0007以下であることを特徴とする玉軸受。 - 前記内輪の内径と外径の径差である内輪肉厚をtとし、前記内輪の内径面と前記外輪の外径面との径差である軸受断面高さをTとしたとき、t/Tの値が、0.109以上0.448以下である請求項1に記載の玉軸受。
- 前記内輪の幅をBとし、前記内輪の内径面と前記外輪の外径面との径差である軸受断面高さをTとしたとき、B/Tの値が、0.789以上1.579以下である請求項1又は2に記載の玉軸受。
- 前記内輪が軸受鋼によって形成されている請求項1から3のいずれか1項に記載の玉軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017087107A JP6846980B2 (ja) | 2017-04-26 | 2017-04-26 | 玉軸受 |
PCT/JP2018/016445 WO2018199016A1 (ja) | 2017-04-26 | 2018-04-23 | 玉軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017087107A JP6846980B2 (ja) | 2017-04-26 | 2017-04-26 | 玉軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018184996A JP2018184996A (ja) | 2018-11-22 |
JP6846980B2 true JP6846980B2 (ja) | 2021-03-24 |
Family
ID=63920441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017087107A Active JP6846980B2 (ja) | 2017-04-26 | 2017-04-26 | 玉軸受 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6846980B2 (ja) |
WO (1) | WO2018199016A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021055767A (ja) * | 2019-09-30 | 2021-04-08 | Ntn株式会社 | 玉軸受 |
JP7262368B2 (ja) * | 2019-10-23 | 2023-04-21 | 住友重機械工業株式会社 | 歯車装置のシリーズ、その製造方法及び設計方法 |
JP2021116863A (ja) * | 2020-01-27 | 2021-08-10 | セイコーエプソン株式会社 | 歯車装置およびロボット |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001304274A (ja) * | 2000-04-20 | 2001-10-31 | Nsk Ltd | 非真円転がり軸受 |
JP2013249875A (ja) * | 2012-05-31 | 2013-12-12 | Ntn Corp | 摩擦伝動式波動変速機 |
JP2015209931A (ja) * | 2014-04-28 | 2015-11-24 | キヤノン株式会社 | 波動歯車装置及びロボットアーム |
JP6432338B2 (ja) * | 2014-12-24 | 2018-12-05 | 株式会社ジェイテクト | 波動減速機用の玉軸受 |
-
2017
- 2017-04-26 JP JP2017087107A patent/JP6846980B2/ja active Active
-
2018
- 2018-04-23 WO PCT/JP2018/016445 patent/WO2018199016A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2018199016A1 (ja) | 2018-11-01 |
JP2018184996A (ja) | 2018-11-22 |
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