STUB SHAFT, POWER TRANSMISSION SHAFT, AND MANUFACTURING METHOD OF STUB SHAFT

To provide a stub shaft which achieves reduction of the overall weight while securing strength of a shaft part, and to provide a power transmission shaft and a manufacturing method of the stub shaft.SOLUTION: In a stub shaft 10, a shaft part 12 connected to a flange part 11 has a first outer diamete...

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Bibliographic Details
Main Authors AKITA YASUSHI, ISHIKURA KENICHIRO
Format Patent
LanguageEnglish
Japanese
Published 30.03.2022
Subjects
BEARINGS
BLASTING
BRAKES
CHEMISTRY
CLUTCHES
COUPLINGS FOR TRANSMITTING ROTATION
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
MECHANICAL ENGINEERING
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:To provide a stub shaft which achieves reduction of the overall weight while securing strength of a shaft part, and to provide a power transmission shaft and a manufacturing method of the stub shaft.SOLUTION: In a stub shaft 10, a shaft part 12 connected to a flange part 11 has a first outer diameter part 15 and a second outer diameter part 16 having a diameter smaller than that of the first outer diameter part 15. A thermosetting treatment part 17 is provided closer to the side of the shaft part 12 than a border part 18 in an X axis direction when a portion, in which a vertical line L2 forming an angle of 45 degrees with a rotation axis L1 overlaps with a surface between the flange part 11 and the shaft part 12 on a cross section passing through the rotation axis L1, is referred to as the border part 18 and a direction along the rotation axis L1 is referred to as the X axis direction.SELECTED DRAWING: Figure 2 【課題】 軸部の強度を確保しつつ、全体の軽量化を図れるスタブシャフト、動力伝達軸およびスタブシャフトの製造方法を提供する。【解決手段】 スタブシャフト10は、フランジ部11と繋がる軸部12が、第１外径部15と第１外径部15よりも小径の第２外径部16とを有し、熱硬化処理部17は、回転軸線L1を通過する断面において、回転軸線L1との成す角度が45度となる仮想線L2が、フランジ部11と軸部12との間の表面と重なり合う部分を境界部18とし、回転軸線L1に沿う方向をX軸方向としたとき、X軸方向において、境界部18よりも軸部12の側に設けられている。【選択図】 図２
Bibliography:Application Number: JP20200156248