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本文论述了数控重型卧式车床纵向采用静压导轨、静压蜗母齿条传动时,机械传动链的最小综合刚度值、固有频率及位置环开环增益等参数的计算方法;定量分析了位置环系统的稳定性。经实践验证,计算方法切实可行,有一定的指导意义。
In this paper, the calculation method of the parameters such as the minimum integrated stiffness, the natural frequency and the open-loop gain of the position loop of the heavy-duty horizontal lathe with hydrostatic guideways and static pressure worm gear drives is introduced. Ring system stability. The practice proved that the calculation method is feasible and has certain guiding significance.