JP2021076227A - 電食防止軸受 - Google Patents
電食防止軸受 Download PDFInfo
- Publication number
- JP2021076227A JP2021076227A JP2019205400A JP2019205400A JP2021076227A JP 2021076227 A JP2021076227 A JP 2021076227A JP 2019205400 A JP2019205400 A JP 2019205400A JP 2019205400 A JP2019205400 A JP 2019205400A JP 2021076227 A JP2021076227 A JP 2021076227A
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- bearing
- inner diameter
- insulating washer
- electrolytic corrosion
- 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.)
- Pending
Links
- 230000007797 corrosion Effects 0.000 title abstract description 9
- 238000005260 corrosion Methods 0.000 title abstract description 9
- 230000003449 preventive effect Effects 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000005536 corrosion prevention Methods 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000000465 moulding Methods 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
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
- 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
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
-
- 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
- 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
-
- 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/04—Preventing damage to bearings during storage or transport thereof or when otherwise out of use
-
- 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
- F16C2202/30—Electric properties; Magnetic 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
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/30—Coating surfaces
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/70—Positive connections with complementary interlocking parts
- F16C2226/76—Positive connections with complementary interlocking parts with tongue and groove or key and slot
-
- 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
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
Claims (3)
- 外輪の外周面に絶縁コーティングが施されていて、
前記外輪の端面を覆う円環状の絶縁ワッシャを備えることを特徴とする電食防止軸受。 - 前記絶縁ワッシャは、前記外輪の端面を覆う面から該外輪の内径面に沿って突出するフランジを有し、
前記外輪に前記絶縁ワッシャがはめ込まれていることを特徴とする請求項1の電食防止軸受。 - 前記外輪の内径面には周方向の溝が形成されていて、
前記絶縁ワッシャのフランジには前記溝に係合する爪が形成されていることを特徴とする請求項1または2に記載の電食防止軸受。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019205400A JP2021076227A (ja) | 2019-11-13 | 2019-11-13 | 電食防止軸受 |
EP20206865.6A EP3822501A1 (en) | 2019-11-13 | 2020-11-11 | Electrolytic anti-corrosion bearing |
US17/096,728 US20210140479A1 (en) | 2019-11-13 | 2020-11-12 | Anti-electrolytic corrosion bearing |
CN202022627393.2U CN214499803U (zh) | 2019-11-13 | 2020-11-13 | 电蚀防止轴承 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019205400A JP2021076227A (ja) | 2019-11-13 | 2019-11-13 | 電食防止軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2021076227A true JP2021076227A (ja) | 2021-05-20 |
Family
ID=73343869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019205400A Pending JP2021076227A (ja) | 2019-11-13 | 2019-11-13 | 電食防止軸受 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210140479A1 (ja) |
EP (1) | EP3822501A1 (ja) |
JP (1) | JP2021076227A (ja) |
CN (1) | CN214499803U (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11708859B2 (en) * | 2021-12-15 | 2023-07-25 | Schaeffler Technologies AG & Co. KG | Bearing element having polymeric coating and method of application of polymeric coating to bearing element for electrical insulation |
CN115912797B (zh) * | 2022-12-13 | 2023-11-07 | 上海乐来汽车分析测试有限公司 | 一种新能源汽车电机加载轴电磁噪声电流抑制装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114350U (ja) * | 1973-02-02 | 1974-09-30 | ||
JPH0538420U (ja) * | 1991-10-28 | 1993-05-25 | エヌテイエヌ株式会社 | 電食防止型転がり軸受 |
JPH0540622U (ja) * | 1991-10-31 | 1993-06-01 | 日本精工株式会社 | 絶縁形転がり軸受 |
JPH1130239A (ja) * | 1997-05-12 | 1999-02-02 | Nippon Seiko Kk | 電食防止転がり軸受 |
JP2014001747A (ja) * | 2012-06-15 | 2014-01-09 | Nsk Ltd | ハブユニット軸受 |
JP2017129194A (ja) * | 2016-01-20 | 2017-07-27 | 日本精工株式会社 | シールド板付き転がり軸受 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH274954A (de) * | 1949-05-18 | 1951-04-30 | Skoda Werke Nationalunternehme | Einrichtung an Maschinen mit Wälzlagern zum Schutz der Wälzlager gegen Durchgang elektrischer Ströme. |
JPS60177958U (ja) * | 1984-05-04 | 1985-11-26 | 日本精工株式会社 | 電食防止形転がり軸受 |
JPH0743488U (ja) | 1993-12-31 | 1995-08-22 | 備前発条株式会社 | 流体圧自動往復作動装置 |
SE9800517D0 (sv) * | 1998-02-23 | 1998-02-23 | Skf Sverige Ab | Bearing seals |
DE10037423A1 (de) * | 2000-07-21 | 2002-02-07 | Atecs Mannesmann Ag | Wälzlageranordnung für einen Elektromotor (stromisoliertes Wälzlager |
DE102013220840B4 (de) * | 2013-10-15 | 2017-08-03 | Schaeffler Technologies AG & Co. KG | Lagerelement für ein Wälz- oder Gleitlager |
DE102015213238A1 (de) * | 2015-07-15 | 2017-02-02 | Robert Bosch Gmbh | Schleuderscheibe, Lager sowie Lager-Schleuderscheiben-Anordnung |
-
2019
- 2019-11-13 JP JP2019205400A patent/JP2021076227A/ja active Pending
-
2020
- 2020-11-11 EP EP20206865.6A patent/EP3822501A1/en not_active Withdrawn
- 2020-11-12 US US17/096,728 patent/US20210140479A1/en not_active Abandoned
- 2020-11-13 CN CN202022627393.2U patent/CN214499803U/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49114350U (ja) * | 1973-02-02 | 1974-09-30 | ||
JPH0538420U (ja) * | 1991-10-28 | 1993-05-25 | エヌテイエヌ株式会社 | 電食防止型転がり軸受 |
JPH0540622U (ja) * | 1991-10-31 | 1993-06-01 | 日本精工株式会社 | 絶縁形転がり軸受 |
JPH1130239A (ja) * | 1997-05-12 | 1999-02-02 | Nippon Seiko Kk | 電食防止転がり軸受 |
JP2014001747A (ja) * | 2012-06-15 | 2014-01-09 | Nsk Ltd | ハブユニット軸受 |
JP2017129194A (ja) * | 2016-01-20 | 2017-07-27 | 日本精工株式会社 | シールド板付き転がり軸受 |
Also Published As
Publication number | Publication date |
---|---|
EP3822501A1 (en) | 2021-05-19 |
US20210140479A1 (en) | 2021-05-13 |
CN214499803U (zh) | 2021-10-26 |
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