The random stress of torsion rod spring may be calculated after road surface, vehicle speed arid constructional parameters are given, and service life may be estimated according to P-S-Ncurve.
在给走路面、车速、结构参数后,可计算出扭杆的随机应力,并根据P - S - N曲线估计出扭杆的寿命。
2
According to the given experimental constant amplitude fatigue life group data, the three parameter exponential function equation can be adopted to describe the constant fatigue P-S-Ncurve.