Abstract : the mathematical model of reliability design for shaft rigidity was established based on reliability inference theory . reliability calculation of cylinder shaft rigidity of press was proceeded and regularity of cylinder shaft rigidity reliability as the condition change was found 文摘:应用可靠性设计相干理论建立了轴的刚度可靠性设计的数学模型,着重探讨印刷机印刷滚筒轴的刚度可靠度的计算,并得出不同条件下印刷滚筒轴刚度可靠度的变化规律。