Research of Force-Fitted Gear : 6th Report, On the Distribution of Stress along the Fillet Curve in Case when Gear Rim and Boss are made of Different Materials

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概要

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• The principal problem of this paper is to introduce theoretical and practical formulas for the stress at the root fillet of the force-fitted gear tooth in case when gear rim and boss are made of different materials.For experiments five combinations of the gear rim ano bosee made of different materials from each other were chosen, and the stress at the root fillet of tooth caused by force-fitting was measured.Moreover, the bending fatigue strength was examined.The following conclusions are obtained.(1) Theoretical and practical formulas for the stress along the fillet curve of the force-fitted gear can be introduced. So by these practical formulas the stress along fillet curve of the force-fitted gear in case when the rim and boss are made of different materials can be calculated easily.(2) Calculated results by the theoretical formulas agree fairly well with the experimented ones.(3) Coefficients ηψ_Ri, ψ_Bi related to tooth profile, ψ_Ri, ψ_Bi are equal to ψ_Ri, ψ_Bi adopted in case when the rim and boss are made of the same material.

• 一般社団法人日本機械学会の論文

著者

• AIDA Toshio

  Faculty of Engineering, Kyoto University.

• Aida Toshio

  Faculty Of Engineering Kvoto University

• Arai Norihisa

  Faculty Of Engineering Doshisha University

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