JP4969552B2 - 電食防止転がり軸受の製造方法 - Google Patents
電食防止転がり軸受の製造方法 Download PDFInfo
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- JP4969552B2 JP4969552B2 JP2008280776A JP2008280776A JP4969552B2 JP 4969552 B2 JP4969552 B2 JP 4969552B2 JP 2008280776 A JP2008280776 A JP 2008280776A JP 2008280776 A JP2008280776 A JP 2008280776A JP 4969552 B2 JP4969552 B2 JP 4969552B2
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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
- F16C33/62—Selection of substances
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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
- F16C19/04—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
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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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
この構成によると、軌道輪の片側の幅面に、絶縁層の設けられていない面として基準面を設けたため、幅面を機械加工によって所定の寸法に仕上げる際や、機械加工後の幅面の膜厚管理に、上記基準面を直接に利用することができる。そのため、軌道輪のレース溝や鍔面等を基準面に利用する場合のような煩雑な作業が廃止でき、機械加工後の膜厚管理を容易にかつ正確に行うことができる。
(1).全製品について、溶射前に外輪3の基準面7と反基準面側の幅面3cの間の幅寸法Aを測定する。
(2).溶射後に、外輪3の基準面7と反基準面側の幅面3cの絶縁層表面との間の幅寸法Bを測定し、反基準面側の幅面3cにおける絶縁層6の取代を決定する。基準面7をバッキングプレート15に当て、反基準面側の絶縁層6を機械加工する。この機械加工は研磨等とする。
(3).目標寸法である幅仕上げ寸法と、外輪3の絶縁層6を含む全幅寸法Cとから、もう一方の取代を決定する。
(4).加工済みの幅面3cを基準とし、幅仕上げ寸法の許容範囲内に入るように、逆側幅面3bを加工する。
また、基準面7は、参考提案例として図4に示すように外輪3の幅面3b,3cにおける絶縁層6を未形成とした素材露出面とする場合がある。すなわち、外輪3の幅面3b,3cの一部を溶射の施されていない面とし、その未溶射面を基準面7とする場合がある。
2…内輪(軌道輪)
3…外輪(軌道輪)
3a…周面
3b,3c…幅面
4…転動体
6…絶縁層
7…基準面
Claims (1)
- 内外の軌道輪のレース溝間に複数の転動体が介在し、少なくとも片方の軌道輪におけるハウジングまたは軸に嵌まり合う周面から両側の幅面に渡って絶縁層が設けられる電食防止転がり軸受の製造方法であって、
上記絶縁層を設ける側の軌道輪のうち一方の幅面に、この一方の幅面の前記レース溝側の周縁に位置して上記絶縁層を未形成とした環状の段部を形成し、他方の幅面の前記レース溝側の周縁には前記絶縁層を未形成とした面取り部を形成し、前記段部の軌道輪幅面への開口縁となる径および深さは、軌道輪のレース溝側の周面における前記面取り部の形成部分を除去した大きさに略相当する寸法とし、前記段部の内面における軸受幅方向を向く面を幅面膜厚管理用の基準面とし、この基準面と反基準面側の幅面との間の幅寸法を測定する測定過程と、
上記測定過程の後、上記軌道輪の周面から幅面に渡って絶縁層を設ける絶縁層形成過程と、
上記絶縁層形成過程の後、上記軌道輪のうち絶縁層の設けられていない面である上記基準面と反基準面側の他方の幅面との間の幅寸法を測定し、上記他方の幅面における絶縁層の取代を決定し、上記基準面を基準として反基準面側の絶縁層を機械加工する反基準面加工過程と、
目標寸法である幅仕上げ寸法と、上記軌道輪の絶縁層を含む全幅寸法とから、前記一方の幅面の取代を決定し、加工済みの他方の幅面を基準とし、幅仕上げ寸法の許容範囲内に入るように前記一方の幅面を加工する幅仕上げ過程と、
を含むことを特徴とする電食防止転がり軸受の製造方法。
Priority Applications (1)
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JP2008280776A JP4969552B2 (ja) | 2008-10-31 | 2008-10-31 | 電食防止転がり軸受の製造方法 |
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JP2008280776A JP4969552B2 (ja) | 2008-10-31 | 2008-10-31 | 電食防止転がり軸受の製造方法 |
Related Parent Applications (1)
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JP2002294436A Division JP2004132385A (ja) | 2002-10-08 | 2002-10-08 | 電食防止転がり軸受 |
Publications (2)
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JP2009024883A JP2009024883A (ja) | 2009-02-05 |
JP4969552B2 true JP4969552B2 (ja) | 2012-07-04 |
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JP2008280776A Expired - Lifetime JP4969552B2 (ja) | 2008-10-31 | 2008-10-31 | 電食防止転がり軸受の製造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10823229B2 (en) | 2017-03-24 | 2020-11-03 | Aktiebolaget Skf | Rolling-element bearing including an electrically insulating layer |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11182560A (ja) * | 1997-12-16 | 1999-07-06 | Koyo Seiko Co Ltd | 転がり軸受装置 |
JP4002069B2 (ja) * | 2001-01-10 | 2007-10-31 | Ntn株式会社 | 電食防止型軸受における外輪の製造方法 |
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2008
- 2008-10-31 JP JP2008280776A patent/JP4969552B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10823229B2 (en) | 2017-03-24 | 2020-11-03 | Aktiebolaget Skf | Rolling-element bearing including an electrically insulating layer |
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JP2009024883A (ja) | 2009-02-05 |
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