According to the design requirements of braking deceleration and distribution proportion between braking forces of front and rear wheel, a procedure of calculation for friction factor is provided.
根据设计要求之制动减速度和制动力分配比，提供摩擦系数计算方法和顺序，用于合理确定台试时的摩擦系数允差。
Therefore, this design makes material sufficiently used, the weight of road wheel effectively lightened. at the same time, stress distribution is more reasonable.
结果表明：最大应力值接近铝合金车轮的强度极限，充分利用了材料，有效的减轻了重量，应力分布更加合理。
Lastly, using fatigue reliability design method, this paper analyses the crane wheel according to the probability distribution of its working stress and fatigue strength.
最后，根据起重机车轮的工作应力和疲劳强度的概率分布，采用疲劳可靠性设计方法，对车轮进行了分析计算。
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