Researches on Increasing the Fatigue Strength of Press-Fitted Shaft Assembly

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概要

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• The purpose of this investigation was to improve the rotating bending fatigue strength of press-fitted shaft assemblies by varying the geometry of press-fitted portion. Four groups of 50mm-diam. press-fitted specimens were used. As the result, comparing with the fatigue limit of press-fitted plain shaft, maximum increase of the fatigue limit was obtained for the filletted shaft, in which the press-fitted hub had a low protrusion on the face. Taking the reduction of fretting corrosion into consideration, however, the press-fitting of hub overhanging from the shoulder was most preferable with an increase of fatigue limit about 50%. The fatigue limit of the press-fitted plain shaft could be increased by 50% due to press-fitting of hub which had the low protrusion.

• 一般社団法人日本機械学会の論文

著者

• Nishioka Kunio

  Central Research Laboratories

• KOMATSU Hideo

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

• Komatsu Hideo

  Central Research Laboratories Sumitomo Metal Industries Ltd.

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
• 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

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