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通过理论计算和实际测试分析,找出了东风4 型机车自由振动的固有频率和机车在非运行(即静止)状态下引起司机室共振的振源,并提出了减小和消除振动的措施。
Through theoretical calculation and actual test analysis, the natural frequency of free vibration of DF4 locomotive and the vibration source of the locomotive caused by the locomotive driving in the non-operation (ie, stationary) state are found out and the measures to reduce and eliminate the vibration are proposed.