Researches on Increasing the Fatigue Strength of Press-Fit Axle : 2nd Report Press-Fitted Shaft Assembly Two Dimensional Photoelasticity

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概要

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• The fatigue strength of the press-fiteed shafts is affected by the configuration near the end of fit. In this study, the above problems were investigated from a view point of stress concentration by using the two dimensional photoelasticity. The configuration near the end of fit was decided as follows. The configuration of the hub was kept constant while shafts were varied as plain and filleted. Furthermore, the relative position between the end of fit and shoulder was varied. Then, it was studied what relations were there among the configuration near the end of fit, the concentration of the bending stresses and the fit pressure, based upon more systematic experiments. The obtained results indicated a good agreement with the results of the bending fatigue tests, and the effects of the overhang quantities and the configuration of the fillet on the stress concentration were clarified.

• 一般社団法人日本機械学会の論文

著者

• Nishioka Kunio

  Central Research Laboratories

• Nishioka Kunio

  Central Research Laboratories Sumitomo Metal Industries. Ltd.

• MORITA Yoshiyasu

  Central Research Laboratories

• KOMATSU Hideo

  Central Research Laboratories, Sumitomo Metal Industries. Ltd., Amagasaki.

• Komatsu Hideo

  Central Research Laboratories Sumitomo Metal Industries. Ltd. Amagasaki.

• Komatsu Hideo

  Central Research Laboratories Sumitomo Metal Industries Ltd.

• Morita Yoshiyasu

  Central Research Laboratories Sumitomo Metal Industries. Ltd. Amagasaki.

関連論文

• Fundamental Investigations of Fretting Fatigue : Part 3,Some Phenomena and Mechanisms of Surface Cracks
• Fundamental Investigations of Fretting Fatigue : Part 1,On the Relative Slip Amplitude of Press-fitted Axle Assemblies
• Fundamental Investigations of Fretting Fatigue : Part 4,The Effect of Mean Stress
• Fundamental Investigations of Fretting Fatigue : (Part 5,The Effect of Relative Slip Amplitude)
• Strength of Integral Pipe Flanges : No.2 Gasket Seating Stress and the Influence of Number of Bolts
• Strength of Integral Pipe Flanges : No.1 Stress Distribution in Flange and the Criticism of the Conventional Standards
• Research on the Reinforcement with a Rib : (5th Report, The Deformation of Structural Parts Reinforced with Ribs where the Cross Section of Intersecting Members is Equal)
• Researches on Increasing the Fatigue Strength of Press-Fit Axle : 2nd Report Press-Fitted Shaft Assembly Two Dimensional Photoelasticity
• Researches on Increasing the Fatigue Strength of Press-Fit Shaft : 4th Report, Geometry of the End of Press-Fitting and σ_< w1 >
• The Strength of Railroad Wheels : 1st Report, Thermal Stresses in Disc Wheels
• Research on the Reinforcement with a Rib : (6th Report, The Deformation of Structural Parts Reinforced with Ribs where the Cross Sections of Two Intersecting Members Are Different in Rigidity)
• Fatigue Strengths of Shafts with Press-fitted Collar
• The Effects of Metallurgical Factors on Fatigue Strengths : Part 1,The Effects of Carbon and the Relations between Static Strengths and Fatigue Strengths
• An Improved Method for Measuring the Residual Stresses in Railroad Solid Wheels
• The Effects of Metallurgical Factors on Fatigue Strength : Part 3, The Effects of C, Si, Mn, P and Cu (2)
• Researches on Increasing the Fatigue Strength of Press-Fitted Shaft Assembly
• The Effects of Metallurgical Factors on Fatigue Strength : Part 4, The Effects of N and B
• The Effects of Metallurgical Factors on Fatigue Strength : Part 5, The Effects of Ni, Cr and Mo (1)
• The Effects of Metallurgical Factors on Fatigue Strength : Part 2, The Effects of C, Si, Mn, P and Cu (1)
• The Strength of Railroad Wheels : 2nd Report, The Effect of Wheel Contours on Thermal Stresses in Wheels
• A Fractographic Study of Fatigue Fracture of AISI 4340 Steel
• Strength of Integral Pipe Flanges : No.3 The Formula for Calculating the Maximum Meridional Stress

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