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弹簧中的残余应力对弹簧强度的影响很大。本文推导了绕簧后残余应力的计算公式,讨论了绕簧和喷丸后残余应力的松弛,提出了圆柱螺旋弹簧疲劳强度计算的建议及残余应力的测定方法。
The residual stress in the spring has a great influence on the strength of the spring. This paper deduces the calculation formula of the residual stress after the reed-spring, discusses the relaxation of the residual stress around the spring and the shot peening, puts forward the calculation of the fatigue strength of the cylindrical coil spring and the method of measuring the residual stress.