Analysis of Static and Dynamic Stresses in Helical Spring

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概要

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• Static and dynamic stresses in helical springs are analyzed systematically by using the finite element method. In the static stress analysis, the effects of the pitch angle on stresses are investigated and it is reveald that the maximum principal stress governing the fatigue fracture of springs is larger on the outside of coils than on the inside of coils in the case of a large pitch angle and that the cracks may start from the outside of coils. In the dynamic stress analysis, stress distribution along the wire are evaluated in a similar way to the static stress analysis and it is indicated that dynamic stress are much larger than static stresses. The results obtained are corroborated with the experimental results.

• 一般社団法人日本機械学会の論文

著者

• Sawanobori Takeshi

  Faculty Of Engineering Yamanashi University

• Akiyama Yukiharu

  Faculty Of Engineering Yamanashi University

• NAKAMURA Masanobu

  Faculty of Engineering, Yamanashi University

• TSUKAHARA Yukishige

  Faculty of Engineering, Tokyo Institute of Technology

• Tsukahara Yukishige

  Faculty Of Engineering Tokyo Institute Of Technology

• Nakamura Masanobu

  Faculty Of Engineering Yamanashi University

関連論文

• A Finite Element Approach to Dynamic Characteristics of Helical Spring : Free Vibration
• Effects of Pitch Angle and Damping on Stresses in Helical Spring
• Analysis of Static and Dynamic Stresses in Helical Spring
• The Analysis of Static Stress in Coil Springs with Nonlinearity

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