JP2008224633A - 磁気式ロータリエンコーダのパルサーリング - Google Patents
磁気式ロータリエンコーダのパルサーリング Download PDFInfo
- Publication number
- JP2008224633A JP2008224633A JP2007067726A JP2007067726A JP2008224633A JP 2008224633 A JP2008224633 A JP 2008224633A JP 2007067726 A JP2007067726 A JP 2007067726A JP 2007067726 A JP2007067726 A JP 2007067726A JP 2008224633 A JP2008224633 A JP 2008224633A
- Authority
- JP
- Japan
- Prior art keywords
- pulsar
- holder
- rotary encoder
- ring
- pulsar ring
- 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.)
- Granted
Links
- 239000013013 elastic material Substances 0.000 claims abstract description 7
- 239000006247 magnetic powder Substances 0.000 claims abstract description 5
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 5
- 239000000057 synthetic resin Substances 0.000 claims abstract description 5
- 229920003051 synthetic elastomer Polymers 0.000 claims abstract description 3
- 239000005061 synthetic rubber Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004873 anchoring Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 239000005060 rubber Substances 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 230000002411 adverse Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
-
- 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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
- F16C33/7883—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring mounted to the inner race and of generally L-shape, the two sealing rings defining a sealing with box-shaped cross-section
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
【解決手段】回転側部材の外周に取り付けられる環状のホルダ1と、磁性粉末を混合した合成樹脂又はゴム状弾性材料で成形されて多極着磁されホルダ1に一体的に接合されたパルサー本体2とからなり、ホルダ1におけるパルサー本体2との接合面に溝等による凹凸を形成することによって、接合面積が増大し、この凹凸によるアンカー作用も得られる。
【選択図】図1
Description
11 取付筒部
12 フランジ部
12a 外側面
121 円周溝(凹凸)
122 径方向溝
123,125 円周突条
124 径方向突条
126 突部
2 パルサー本体
3 シールリップ
Claims (2)
- 回転側部材の外周に取り付けられる環状のホルダと、磁性粉末を混合した合成樹脂又はゴム状弾性材料で成形されて多極着磁され前記ホルダに一体的に接合されたパルサー本体とからなり、前記ホルダにおける前記パルサー本体との接合面に凹凸を形成したことを特徴とするロータリエンコーダ用パルサーリング。
- ホルダが、パルサー本体との接合面と反対側の面で密封装置のシールリップと密接摺動される密封要素であって、前記パルサー本体との接合面の凹凸が、前記シールリップとの非摺動位置から浮き出し形成されたものであることを特徴とする請求項1に記載のロータリエンコーダ用パルサーリング。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007067726A JP4924821B2 (ja) | 2007-03-16 | 2007-03-16 | 磁気式ロータリエンコーダのパルサーリング |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007067726A JP4924821B2 (ja) | 2007-03-16 | 2007-03-16 | 磁気式ロータリエンコーダのパルサーリング |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008224633A true JP2008224633A (ja) | 2008-09-25 |
JP4924821B2 JP4924821B2 (ja) | 2012-04-25 |
Family
ID=39843417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007067726A Active JP4924821B2 (ja) | 2007-03-16 | 2007-03-16 | 磁気式ロータリエンコーダのパルサーリング |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4924821B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010203777A (ja) * | 2009-02-27 | 2010-09-16 | Jtekt Corp | 着磁パルサリング、その製造方法および転がり軸受装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005233923A (ja) * | 2004-01-22 | 2005-09-02 | Nsk Ltd | 転がり軸受 |
JP2006064066A (ja) * | 2004-08-26 | 2006-03-09 | Nok Corp | ロータリエンコーダ付き密封装置 |
JP2006349697A (ja) * | 2006-08-30 | 2006-12-28 | Ntn Corp | 磁気エンコーダおよびこれを具備する車輪用軸受 |
JP2007052036A (ja) * | 1993-01-19 | 2007-03-01 | Snr Roulements | コーダ内蔵密閉構造 |
-
2007
- 2007-03-16 JP JP2007067726A patent/JP4924821B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007052036A (ja) * | 1993-01-19 | 2007-03-01 | Snr Roulements | コーダ内蔵密閉構造 |
JP2005233923A (ja) * | 2004-01-22 | 2005-09-02 | Nsk Ltd | 転がり軸受 |
JP2006064066A (ja) * | 2004-08-26 | 2006-03-09 | Nok Corp | ロータリエンコーダ付き密封装置 |
JP2006349697A (ja) * | 2006-08-30 | 2006-12-28 | Ntn Corp | 磁気エンコーダおよびこれを具備する車輪用軸受 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010203777A (ja) * | 2009-02-27 | 2010-09-16 | Jtekt Corp | 着磁パルサリング、その製造方法および転がり軸受装置 |
Also Published As
Publication number | Publication date |
---|---|
JP4924821B2 (ja) | 2012-04-25 |
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