JP2021004659A - 回転機構、減速機および回転機構の製造方法 - Google Patents
回転機構、減速機および回転機構の製造方法 Download PDFInfo
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- 238000005096 rolling process Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
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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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16C33/46—Cages for rollers or needles
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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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
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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
- F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
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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
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
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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
- F16C33/72—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
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
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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
- 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
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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
- 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
- F16C35/067—Fixing them in a housing
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
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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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
- F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
- F16C19/543—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact in O-arrangement
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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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
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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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
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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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/65—Gear shifting, change speed gear, gear box
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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
- 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)
- Mounting Of Bearings Or Others (AREA)
- Sealing Of Bearings (AREA)
- Retarders (AREA)
Abstract
Description
図1は、実施形態に係る減速機の半断面図である。
図1に示すように、減速機1は、出力軸としてのキャリア2(内側部材)と、キャリア2の外周側でキャリア2の中心軸線(軸線O)と同軸上に配置されたケース3(外側部材)と、図示しない入力軸の回転を減速してキャリア2に伝達する減速機構4と、キャリア2とケース3との間に配置された第1主軸受5、第2主軸受6およびオイルシール7(シール部材)と、を備える。減速機1は、入力軸をケース3に対して回転させ、入力軸の入力回転から減速した出力回転を得るように、ケース3とキャリア2とを軸線O回りに相対回転させる偏心揺動型の歯車伝動装置である。なお、以下の説明では、軸線Oに沿う方向を軸方向といい、軸線Oに直交して軸線Oから放射状に延びる方向を径方向といい、軸線O回りに周回する方向を周方向という。また、以下の説明で用いる「軸方向の内側」はケース3の中心側を意味し、「軸方向の外側」はケース3の中心とは反対側を意味する。
図2に示すように、第1主軸受5は、円すいころ軸受である。第1主軸受5は、ケース3と第1キャリアブロック20の基部21との間に配置されている。第1主軸受5は、アウターレース51と、インナーレース52と、複数のころ53(転動体)と、保持器54と、を備える。
図3および図4は、実施形態に係る減速機の組み立て方法を説明する図である。
図3に示すように、キャリア2をケース3に組み付ける際には、予めケース3に第1主軸受5のアウターレース51、複数のころ53、および保持器54とオイルシール7とを装着する。具体的に、以下の手順で装着する。まずアウターレース51をケース3の内周面11に装着する。次いで、複数のころ53を保持した保持器54を軸方向の外側からケース3の内側に挿入し、支持溝71に保持器54の被支持部72を引っ掛ける(第1工程)。これにより、保持器54が支持手段8によって所定位置でケース3に支持される。さらにオイルシール7をケース3の内側に挿入し、ケース3の内周面に装着する(シール取付工程)。また、キャリア2を第1キャリアブロック20と第2キャリアブロック30とに分割しておき、予め第1キャリアブロック20の基部21の外周面22に第1主軸受5のインナーレース52を装着する。
例えば、上記実施形態では、第1主軸受5が円すいころ軸受であるが、これに限定されず、アンギュラ玉軸受であってもよい。
Claims (8)
- インナーレースを有する内側部材と、
アウターレースを有し、前記内側部材と相対回転可能に設けられた外側部材と、
前記インナーレースと前記アウターレースとの間に配置され複数の転動体を保持するとともに、前記内側部材を前記外側部材に組み付ける際に所定位置に支持される被支持手段を有する保持器と、
を備える回転機構。 - 前記被支持手段は前記外側部材に支持される
請求項1に記載の回転機構。 - 前記被支持手段によって、前記転動体が前記アウターレースに接触する位置に前記保持器が支持される
請求項2に記載の回転機構。 - 内側部材と、
前記内側部材と相対回転可能に設けられた外側部材と、
前記内側部材と前記外側部材との間に配置され複数の転動体を保持する保持器を有する軸受と、
前記内側部材と前記外側部材との間に介在するシール部材と、
前記内側部材を前記外側部材に組み付ける際に前記保持器を前記シール部材と前記軸受のアウターレースとの間に留める被支持手段と、
を備える回転機構。 - 前記シール部材は前記保持器よりも軸方向の外側に位置し、
前記内側部材は前記外側部材よりも前記軸方向の外側で径方向の外側に張り出したフランジ部を有し、
前記シール部材の内径は前記フランジ部の外径および前記保持器の外径よりも小さい
請求項4に記載の回転機構。 - 内部に減速機構が配置された外側部材と、
前記外側部材の内周側で前記外側部材の所定の軸線と同軸上に配置され前記外側部材と相対回転可能に設けられた内側部材と、
前記内側部材に設けられ前記外側部材よりも軸方向の外側で径方向の外側に張り出したフランジ部と、
前記内側部材と前記外側部材との間に配置され複数の転動体を保持する保持器を有する軸受と、
前記内側部材と前記外側部材との間に介在し前記保持器よりも前記軸方向の外側に位置し、前記フランジ部の外径および前記保持器の外径よりも小さい内径のシール部材と、
前記保持器に設けられ前記内側部材を前記外側部材に組み付ける際に前記軸受の前記転動体がアウターレースに接触する位置で前記外側部材に支持される被支持手段と、
を備える
減速機。 - アウターレースまたはアウターレースを有する外側部材で保持器を支持する第1工程と、
前記第1工程の後にインナーレースを有する内側部材を前記外側部材の内周に配置する第2工程と、
を備える回転機構の製造方法。 - 請求項7に記載の回転機構の製造方法において、
前記第1工程と前記第2工程との間に、前記内側部材と前記外側部材とをシールするシール部材を前記外側部材に取り付けるシール取付工程を備える
回転機構の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2019119462A JP7516014B2 (ja) | 2019-06-27 | 2019-06-27 | 回転機構、減速機および回転機構の製造方法 |
TW109115027A TW202115326A (zh) | 2019-06-27 | 2020-05-06 | 旋轉機構、減速機及旋轉機構之製造方法 |
DE102020206457.1A DE102020206457A1 (de) | 2019-06-27 | 2020-05-25 | Drehmechanismus, getriebe, und verfahren zur herstellung eines drehmechanismus |
CN202010448683.2A CN112145549A (zh) | 2019-06-27 | 2020-05-25 | 旋转机构、减速器以及旋转机构的制造方法 |
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JP2019119462A JP7516014B2 (ja) | 2019-06-27 | 2019-06-27 | 回転機構、減速機および回転機構の製造方法 |
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JP7516014B2 JP7516014B2 (ja) | 2024-07-16 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4053424A1 (en) | 2021-03-04 | 2022-09-07 | Nabtesco Corporation | Gear device and method of manufacturing the same |
Citations (3)
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JP2016166678A (ja) * | 2016-06-23 | 2016-09-15 | 住友重機械工業株式会社 | 減速装置 |
JP2019035458A (ja) * | 2017-08-14 | 2019-03-07 | 日本精工株式会社 | ハブユニット軸受及びハブユニット軸受の組立方法 |
JP2019035465A (ja) * | 2017-08-16 | 2019-03-07 | 日本精工株式会社 | ハブユニット軸受 |
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DE102004026457A1 (de) * | 2004-05-29 | 2005-12-22 | Fag Kugelfischer Ag & Co. Ohg | Radlagereinheit |
JP2007170526A (ja) * | 2005-12-21 | 2007-07-05 | Ntn Corp | 車輪用軸受装置 |
JP5183998B2 (ja) * | 2007-08-02 | 2013-04-17 | Ntn株式会社 | 円すいころ軸受 |
US8356945B2 (en) * | 2009-11-24 | 2013-01-22 | Amsted Rail Company, Inc. | Railway car roller bearing |
DE102009055754A1 (de) * | 2009-11-25 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Kegelrollenlager und Verfahren zur Montage des Kegelrollenlagers |
DE102011085236A1 (de) * | 2011-10-26 | 2013-05-02 | Schaeffler Technologies AG & Co. KG | Zylinderrollenlager |
JP2014159853A (ja) * | 2013-02-20 | 2014-09-04 | Jtekt Corp | 軸受ユニット及び軸受ユニットを備えた偏心搖動型減速機 |
JP6284368B2 (ja) * | 2014-01-06 | 2018-02-28 | ナブテスコ株式会社 | 歯車伝動装置 |
JP6285728B2 (ja) * | 2014-01-22 | 2018-02-28 | ナブテスコ株式会社 | 歯車伝動装置 |
JP6694288B2 (ja) * | 2016-02-05 | 2020-05-13 | ナブテスコ株式会社 | コロ軸受 |
JP6948866B2 (ja) * | 2017-07-21 | 2021-10-13 | ナブテスコ株式会社 | 軸受及び軸受を備える装置 |
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- 2020-05-06 TW TW109115027A patent/TW202115326A/zh unknown
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JP2016166678A (ja) * | 2016-06-23 | 2016-09-15 | 住友重機械工業株式会社 | 減速装置 |
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JP2019035465A (ja) * | 2017-08-16 | 2019-03-07 | 日本精工株式会社 | ハブユニット軸受 |
Cited By (3)
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EP4053424A1 (en) | 2021-03-04 | 2022-09-07 | Nabtesco Corporation | Gear device and method of manufacturing the same |
KR20220125780A (ko) | 2021-03-04 | 2022-09-14 | 나부테스코 가부시키가이샤 | 기어 장치 및 기어 장치의 제조 방법 |
JP2022134897A (ja) * | 2021-03-04 | 2022-09-15 | ナブテスコ株式会社 | 歯車装置 |
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CN112145549A (zh) | 2020-12-29 |
JP7516014B2 (ja) | 2024-07-16 |
DE102020206457A1 (de) | 2020-12-31 |
TW202115326A (zh) | 2021-04-16 |
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