Second , the coupling ' s contact stress values are analyzed and calculated when put on the torque , according to the non - linear contact theory . the largest contact stress values have been found out by the static load . the rule curves about changing stress values are obtained through the method of analyzing and calculating the stress values on different model parameters 在施加静载时,找出滚珠联轴器产生接触应力最大值的区域,并计算在不同结构参数下的应力值,分析滚珠联轴器的结构参数对应力值的影响情况,获得了应力值变化规律曲线。