JP6795528B2 - 軸部材のフレッティング疲労低減構造、軸部材、軸部材の設計方法およびフレッティング疲労強度試験装置 - Google Patents
軸部材のフレッティング疲労低減構造、軸部材、軸部材の設計方法およびフレッティング疲労強度試験装置 Download PDFInfo
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- JP6795528B2 JP6795528B2 JP2018023827A JP2018023827A JP6795528B2 JP 6795528 B2 JP6795528 B2 JP 6795528B2 JP 2018023827 A JP2018023827 A JP 2018023827A JP 2018023827 A JP2018023827 A JP 2018023827A JP 6795528 B2 JP6795528 B2 JP 6795528B2
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- press
- shaft member
- fitting portion
- peripheral surface
- test piece
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- 238000000034 method Methods 0.000 title claims description 13
- 238000013461 design Methods 0.000 title claims description 11
- 238000012360 testing method Methods 0.000 claims description 93
- 230000002093 peripheral effect Effects 0.000 claims description 47
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010008 shearing Methods 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 238000005255 carburizing Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- 238000005480 shot peening Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Description
12 圧入部
12b 溝
12c 突出部
13 非圧入部
14 他部材
14a 圧入孔
21 試験片
32 接触片
35 加振装置
36 変位検出センサ
Claims (4)
- 軸部材(11)が、直径dの非圧入部(13)と、直径dよりも大きい直径Dの圧入部(12)とを備え、前記圧入部(12)の外周面が他部材(14)の圧入孔(14a)の内周面に圧入される軸部材のフレッティング疲労低減構造であって、
前記圧入部(12)の外周面に多数の溝(12b)に囲まれた多数の突出部(12c)が形成され、前記突出部(12c)の最大幅が16μm以下であることを特徴とする軸部材のフレッティング疲労低減構造。
- 請求項1に記載の軸部材(11)であって、
前記圧入部(12)の外周面の最大許容剪断応力τ1と、前記非圧入部(13)の外周面の最大許容剪断応力τ2とから算出したD/d=(τ2/τ1)1/3 の値が、1.1以下かつ最大許容剪断応力τ1が最大になる値以上になるように前記溝(12b)および前記突出部(12c)の形状を設定したことを特徴とする軸部材。 - 請求項1に記載の軸部材(11)の設計方法であって、
前記圧入部(12)の外周面の最大許容剪断応力τ1を測定する工程と、前記非圧入部(13)の外周面の最大許容剪断応力τ2を測定する工程と、前記圧入部(12)および前記非圧入部(13)の直径比D/dを、D/d=(τ2/τ1)1/3 により算出する工程と、前記直径比D/dの値が1.1以下かつ最大許容剪断応力τ1が最大になる値以上になるように前記溝(12b)および前記突出部(12c)の形状を調整する工程とを含むことを特徴とする軸部材の設計方法。 - 請求項1に記載の軸部材(11)のフレッティング疲労強度を試験するフレッティング疲労強度試験装置であって、
前記軸部材(11)に相当する試験片(21)の外周面に接触するように該試験片(21)に固定される接触片(32)と、前記試験片(21)に高周波振動を加える加振装置(35)と、前記試験片(21)の変位からクラックの発生を検出する変位検出センサ(36)とを備えることを特徴とするフレッティング疲労強度試験装置。
Priority Applications (2)
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JP2018023827A JP6795528B2 (ja) | 2018-02-14 | 2018-02-14 | 軸部材のフレッティング疲労低減構造、軸部材、軸部材の設計方法およびフレッティング疲労強度試験装置 |
CN201910111277.4A CN110159644B (zh) | 2018-02-14 | 2019-02-12 | 轴部件及其微动疲劳减轻结构、设计方法和微动疲劳强度试验装置 |
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JP2018023827A JP6795528B2 (ja) | 2018-02-14 | 2018-02-14 | 軸部材のフレッティング疲労低減構造、軸部材、軸部材の設計方法およびフレッティング疲労強度試験装置 |
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JP2019138828A JP2019138828A (ja) | 2019-08-22 |
JP6795528B2 true JP6795528B2 (ja) | 2020-12-02 |
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CN (1) | CN110159644B (ja) |
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JP2021156593A (ja) * | 2020-03-25 | 2021-10-07 | 本田技研工業株式会社 | 軸部材のフレッティング疲労低減構造及びフレッティング疲労試験装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6348814Y2 (ja) * | 1981-02-18 | 1988-12-15 | ||
JP3189058B2 (ja) * | 1990-11-19 | 2001-07-16 | 日本ピストンリング株式会社 | 嵌合部材にシャフトを圧入してなる機械要素及びその製造方法 |
JPH05172209A (ja) * | 1991-12-26 | 1993-07-09 | Mitsubishi Materials Corp | カムシャフト |
US20070276409A1 (en) * | 2006-05-25 | 2007-11-29 | Ethicon Endo-Surgery, Inc. | Endoscopic gastric restriction methods and devices |
EP2549261B1 (en) * | 2010-03-16 | 2022-06-08 | NTN Corporation | Method and device using rolling contact metallic material shear stress fatigue values in order to estimate fatigue limit surface pressure |
JP6169450B2 (ja) * | 2013-04-19 | 2017-07-26 | Nok株式会社 | トーショナルダンパ |
CN104458443B (zh) * | 2013-09-25 | 2017-10-17 | 中国石油化工股份有限公司 | 抗层间剪切强度测试方法 |
JP6296860B2 (ja) * | 2014-03-28 | 2018-03-20 | 本田技研工業株式会社 | フレッティング疲労試験方法およびフレッティング疲労試験装置 |
GB2543090B (en) * | 2015-10-09 | 2020-02-19 | Univ Dublin City | An interference fit fastener and method of fabricating same |
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2018
- 2018-02-14 JP JP2018023827A patent/JP6795528B2/ja active Active
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2019
- 2019-02-12 CN CN201910111277.4A patent/CN110159644B/zh active Active
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CN110159644A (zh) | 2019-08-23 |
CN110159644B (zh) | 2021-10-26 |
JP2019138828A (ja) | 2019-08-22 |
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