The effect of the detuning of the stiffness of drilling spindle on the frequency of doublespindle drilling machine is discussed by using Perturbation theory of nearly equal frequencies.
运用近频摄动理论分析了双轴钻床钻轴刚度失谐后对钻轴系统固有振动频率的影响。
2
The optimal mathematical model of the double universal spindle must satisfy the constraints of strength, rigidity, vibration condition, stability and boundary condition.
双万向轴的优化数学模型必须满足强度、刚度、振动条件、稳定性及边界条件的约束。
3
The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting.