JP2018115669A - 減速装置及びワークの加工方法 - Google Patents
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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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
- 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
- F16C19/361—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 with cylindrical rollers
- F16C19/362—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 with cylindrical rollers the rollers being crossed within the single row
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
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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
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
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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
- F16H2001/327—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 with orbital gear sets comprising an internally toothed ring gear
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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
- F16H49/00—Other gearings
- F16H49/001—Wave gearings, e.g. harmonic drive transmissions
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Abstract
【解決手段】転動体が転動する転動面と穴部が設けられた穴付部材を備える減速装置であって、穴付部材には、母材領域42と、母材領域42より表面側にて母材領域42より高硬度の表面硬化層44とが設けられ、表面硬化層44には、表面から垂直な深さ方向に向かって表層領域46と硬度遷移領域48が順に設けられ、深さ方向に対する0.1mm当たりのビッカース硬度の変化量を硬度変化量としたとき、表層領域46は、表面から硬度遷移領域48まで連続し、硬度変化量が0以上になる箇所を含み、硬度遷移領域48は、深さ方向に向かって硬度が連続的に減少し、硬度変化量が−60以下になる箇所を含み、転動面は、表層領域46の表面に設けられ、穴部は、母材領域42に設けられる減速装置。
【選択図】図4
Description
駆動軸が回転すると、駆動軸とともに起振体18が回転する。起振体18が回転すると、内歯歯車24との噛合位置を周方向に変えつつ、起振体18の形状に合うように外歯歯車22が連続的に撓み変形させられる。第1外歯部22bは、起振体18が一回転するごとに、第1内歯歯車24−Aとの歯数差に相当する分、第1内歯歯車24−Aに対して相対回転(自転)する。このとき、起振体18の回転は、第1内歯歯車24−Aとの歯数差に応じた減速比で減速されて外歯歯車22が自転する。
図2は、図1の転動体16を周辺構造とともに示す拡大図である。複数の転動体16は、出力側キャリア14−B及びケーシング12の一部と協働して軸受を構成する。本実施形態の転動体16は、出力側キャリア14−B及びケーシング12の一部と協働してクロスローラ軸受を構成する。複数の転動体16は、出力側キャリア14−Bの回転中心線La周りの周方向に間隔を空けて設けられる。本実施形態の転動体16はクロスローラ軸受のクロスローラとなる円柱状のころである。複数の転動体16は、自らの転動軸が回転中心線Laに向かって軸方向Xの一方側に延びるものと、軸方向Xの他方側に延びるものとが周方向に交互に配置される。
表層領域46の表面にある転動面38から硬度遷移領域48の開始点までの深さ(以下、遷移開始深さという)は、0.5mm〜1.5mmの範囲であると好ましい。この遷移開始深さが0.5mm未満となると、硬度遷移領域48の開始点が浅くなりすぎ、有効硬化層の深さが不足する恐れがある。この遷移開始深さが1.5mm超となると、硬度遷移領域48の開始点が深くなりすぎ、ワークの加工時の加工性を確保するうえで、転動面38から穴部40までの距離が長くなる恐れがある。この遷移開始深さの条件を満たしていれば、前述のワークの加工時の加工性と、表面硬化層44の十分な有効硬化層深さと、第1キャリア部材32の小型化とをよりバランスよく実現し易くなる。
本加工方法は、ワークを焼入れする焼入れ工程と、ワークを穿孔する穿孔工程とを含む。本加工方法の加工対象となるワークは切削加工等により準備する。この加工対象となるワークは、第1キャリア部材32の穴部40となるべき部位に穴部40がない形状を持つ。
Claims (5)
- 転動体が転動する転動面と穴部が設けられた穴付部材を備える減速装置であって、
前記穴付部材には、母材領域と、前記母材領域より表面側にて前記母材領域より高硬度の表面硬化層とが設けられ、
前記表面硬化層には、表面から垂直な深さ方向に向かって表層領域と硬度遷移領域が順に設けられ、
前記深さ方向に対する0.1mm当たりのビッカース硬度の変化量を硬度変化量としたとき、
前記表層領域は、前記表面から前記硬度遷移領域まで連続し、前記硬度変化量が0以上になる箇所を含み、
前記硬度遷移領域は、前記深さ方向に向かって硬度が連続的に減少し、前記硬度変化量が−60以下になる箇所を含み、
前記転動面は、前記表層領域の表面に設けられ、前記穴部は、前記母材領域に設けられる減速装置。 - 前記転動面から前記硬度遷移領域までの深さは0.5mm〜1.5mmの範囲である請求項1に記載の減速装置。
- 前記転動面から前記母材領域までの深さは0.8mm〜2.0mmの範囲である請求項1または2に記載の減速装置。
- 前記穴付部材は、前記転動面と前記穴部が単一の部材の一部として設けられている請求項1から3のいずれかに記載の減速装置。
- 穴付部材の素材となるワークの加工方法であって、
前記穴付部材には、転動体が転動する転動面と穴部とが設けられ、
前記ワークの前記転動面となるべき部位にはレーザー光を照射することにより焼入れして表面硬化層を設け、前記ワークの穴部となるべき部位は焼入れせずに母材領域を残す焼入れ工程と、
前記ワークの穴部となるべき部位にある前記母材領域を穿孔する穿孔工程とを含むワークの加工方法。
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JP2017004876A JP6759114B2 (ja) | 2017-01-16 | 2017-01-16 | 減速装置及びワークの加工方法 |
DE102017130890.3A DE102017130890B4 (de) | 2017-01-16 | 2017-12-21 | Untersetzungsgetriebe und Verarbeitungsverfahren eines Werkstücks |
CN202110154021.9A CN112984092A (zh) | 2017-01-16 | 2017-12-26 | 减速装置及工件的加工方法 |
CN201711430143.6A CN108361363B (zh) | 2017-01-16 | 2017-12-26 | 减速装置及工件的加工方法 |
JP2020131800A JP7376439B2 (ja) | 2017-01-16 | 2020-08-03 | ワークの加工方法 |
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Cited By (3)
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JP2020133800A (ja) * | 2019-02-21 | 2020-08-31 | 住友重機械工業株式会社 | 撓み噛合い式歯車装置及びその製造方法 |
JP2020173032A (ja) * | 2017-01-16 | 2020-10-22 | 住友重機械工業株式会社 | 減速装置及びワークの加工方法 |
CN114110095A (zh) * | 2020-08-27 | 2022-03-01 | 住友重机械工业株式会社 | 挠曲啮合式齿轮装置 |
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CN110873136B (zh) * | 2018-09-03 | 2022-01-25 | 通用汽车环球科技运作有限责任公司 | 一种用于制造具有摩擦表面的铁质构件的方法 |
JP7492444B2 (ja) | 2020-11-20 | 2024-05-29 | 住友重機械工業株式会社 | 歯車装置の製造方法 |
JP2022082891A (ja) * | 2020-11-24 | 2022-06-03 | 住友重機械工業株式会社 | 偏心揺動型減速装置 |
WO2023137751A1 (en) * | 2022-01-24 | 2023-07-27 | Jacobs Chuck Manufactuirng (Suzhou) Company, Ltd. | Drill chuck with hardened body |
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JP2013023086A (ja) * | 2011-07-21 | 2013-02-04 | Nsk Ltd | 車輪支持用ハブユニット及び車輪支持用ハブユニットの製造方法 |
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JP2020133800A (ja) * | 2019-02-21 | 2020-08-31 | 住友重機械工業株式会社 | 撓み噛合い式歯車装置及びその製造方法 |
JP2023054008A (ja) * | 2019-02-21 | 2023-04-13 | 住友重機械工業株式会社 | 撓み噛合い式歯車装置の製造方法 |
JP7374361B2 (ja) | 2019-02-21 | 2023-11-06 | 住友重機械工業株式会社 | 撓み噛合い式歯車装置の製造方法 |
JP7438666B2 (ja) | 2019-02-21 | 2024-02-27 | 住友重機械工業株式会社 | 撓み噛合い式歯車装置及びその製造方法 |
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CN112984092A (zh) | 2021-06-18 |
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CN108361363A (zh) | 2018-08-03 |
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