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根据疲劳强度的可靠性设计理论，对球磨机的磨头与筒体法兰结合面处的联接螺栓进分了抗疲劳分析，建立了一套可分的设计理论和机算方法。
According to the reliability design theory of fatigue strength, the anti-fatigue analysis of the coupling bolts at the grinding head of the ball mill and the flange of the cylinder body is made, and a set of separable design theory and calculation method are established.