Study on the Stress at the Root Fillet and Safety for Slipping of Force-fitted Helical Gears

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概要

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• There are very few studies which deal with force-fitted helical gears hitherto. Considering such a present condition, stresses at the root fillet of gear tooth and safety for slipping at the force-fitted surface were chosen as subjects of this study. Some kinds of force-fitted helical gears were chosen, and stresses at tooth and rim, casued by force-fitting, were examined. Moreover, these experimental results were compared with theoretical ones by the finite element method. The following conclusions were obtained. (1) A practical formula to determine the fillet stresses at Hofer's weakest section and at the center of tooth space of a force-fitted helical gear can be introduced, and these stresses can be easily calculated when gear dimensions and force-fitted conditions are given. (2) Calculation method of dynamic slipping torque has been established.

• 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

• OEDA Masato

  Faculty of Engineering, Doshisha University

• Oeda Masato

  Faculty Of Engineering Doshisha University

関連論文

• On the Running Noise of Toothed Belt Drive : 2nd Report, Influence of Running Condition and Some Noise Reduction Methods
• On the Running Noise of Toothed Belt Drive : 1st Report, Mechanism of Noise Generation
• Distortions and Residual Stresses of Gears Caused by Hardening : 5th Report, Gear with Limited Face Width
• 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)
• Research on Force-Fitted Gear : Part 10-Deformation in each part of gear rim caused by force-fitting
• Study on Bending Fatigue Strength of Gears : 8th Report, Calculating Formula of True Stress at Compressive Side Tooth Fillet and Stresses in Operation
• Research on the Force-Fitted Gear : 9th Report, The Influence of Projections around a Cylinder, Repeated Numbers of Fitting and Extracting Processes on Fitting and Extracting Forces and Conditions of Fitting Surface
• A Study on Three-Dimensional Analysis of the Stress of Force-Fitted Helical Gears
• 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
• 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
• 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
• Study on the Stress at the Root Fillet and Safety for Slipping of Force-fitted Helical Gears
• Reserarch on the Force-Fitted Gear : 7th Report, On the Change of Stresses at the Circumference of the Force-Fitted Part in the Slipping Test
• Bending Strength Design of Gears
• Tooth Fillet Stresses of Gear with Thin rim : 2nd report, Approximation Formulae for Tooth Fillet Stresses
• Tooth Fillet Stresses of Gear with Thin Rim : 1st report, Automatic Meshing for FEM Calculation
• Bending Stresses of Internal Spur Gear
• 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
• Bending Fatigue Strength of Gears
• On the Stresses of Force-Fitted Gear and the Slipping at Force-Fitted Surface when the Influence of Centrifugal Force is considered
• Distortions and Residual Stresses of Gears Caused by Hardening : 3rd Report, Induction-Hardening of Gears Made of S35C Carbon Steel
• Distortions and Residual Stresses of Gears Caused by Hardening : 2nd Report, Through-Hardening of Gear Made of S45C Carbon Steel
• On the Bending Stress of a Spur Gear : 3rd Report, On the Calculation Results of Bending Stress of a Gear Tooth
• On the Bending Stress of a Spur Gear : 2nd Report, The Stress Concentration Factor and the Equation for the Calculation of Bending Stress of a Gear Tooth
• On the Bending Stress of a Spur Gear : 1 st Report, Stress at the Fillet Curve and Inner Stress at the Root of Gear Tooth
• Bending Fatigue Strength of Case-Hardened Gears
• On the Creep and the Relaxation of Spiral Ropes
• Bending Fatigue Strength of Gears under Various Loading Conditions
• Deflections and Moments of Wide Plate with Varying Thickness in Direction of Height
• Fundamental Research on Gear Noise and Vibration : (6th Report, Generation Mechanism of Radial and Axial Vibration of Spur Gears)
• 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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