Distortions and Residual Stresses of Gears Caused by Hardening : 4th Report, Case-Hardening of Gears

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概要

• 論文の詳細を見る

• Distortions of case-hardened gears were calculated using the method introduced by the authors, and the results were compared with experimental ones. The results obtained in this paper are summarized as follows. (1) For case-hardening, gear distortions can be calculated tolerably well from the estimation of quenched structure. (2) In this investigation, the quenched structure of SCM21 after case-hardening in the carburizing layer was mostly martensite, and the value of thermal expansion coefficient for each carbon content could be determined by the depth from surface of tooth profile. (3) In this experiment, retained austenite was scarcely observed. But, in the case of much retained austenite, the effect of retained austenite on distortion of gear tooth profile and residual stress should not be ignored.

• 一般社団法人日本機械学会の論文

著者

• Aida Toshio

  Faculty Of Engineering Osaka Industrial University

• Aida Toshio

  Faculty Of Engineering Kvoto University

• Fujio Hiroshige

  Faculty Of Engineering Kyoto University

• AKIZONO Junichi

  The Ministry of Transpotation

• FUJIO Hiroshige

  Faculty of Engineering,Kyoto University

関連論文

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• Distortions and Residual Stresses of Gears Caused by Hardening : 1st Report, Through-Hardening of Solid Cylinder Made of S45C Carbon Steel
• Influence of Impact Load on Fatigue Bending Strength of Case-Hardened Gears
• On the Durability of Gears for Machine Tools (the Journal and the Transactions of the Japan Society of Mechanical Engineers)
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• Research of Force-Fitted Gear : 5th Report, On the Distribution of Stress along the Fillet Curve of Gears having Bosses on their Sides and Large Size Gear
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• Research on the Force-Fitted Gear : 8th Report, On the Fillet Stress of the Gear Tooth in Case when Hubs of Various Shapes are force-fitted and a Solid Shaft is double force-fitted in the Hollow Hub
• Research of Force-Fitted Gear : 4th Report, On the Improvement of Bending Fatigue Strength by Surface Rolling at the Root Fillet of the Force-Fitted Gear Tooth
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• Research of Force-Fitted Gear : 2nd Report, On the Bending Fatigue Strength of Force-Fitted Gear
• Research of Force-Fitted Gear : 1st Report, On the Distribution of Stress along the Fillet Curve of a Spur Gear
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• Distortions and Residual Stresses of Gears Caused by Hardening : 2nd Report, Through-Hardening of Gear Made of S45C Carbon Steel
• Residual Stress of Case-Hafdened Splined Shaft with Straight-Sided Teeth
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• Research on Bending Strength Properties of Spur Gears with a Thin Rim
• Distortions and Residual Stresses of Gears Caused by Hardening : 4th Report, Case-Hardening of Gears
• Research of Force-Fitted Gear : 3rd Report, On the Bending Fatigue Strength of Shrinkage-Fitted Gears
• Fundamental Research on Gear Noise and Vibration : 7th Report, Generation Mechanism of Radial and Axial Vibration of Spur Gears-II

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