晅扭转惯性矩(torsional moment-of-inertia) 晅扭转弯曲挫曲常数(torsional-flexural buckling constant) 数控机床的刚度及提高数控机床刚度的措施-数控机床,数控机床刚度 x...
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The crankshaft system installed with component which has enormous moment of inertia that leads to lower frequence of forced torsional vibration for crankshaft.
由于曲轴系统装有转动惯量很大的部件，所以曲轴扭转振动的自振频率比较低，往往会在工作转速范围内产生共振。
Methods According to vibration theory the relationship between the period of a torsional pendulum and the moment of inertia of a part is established and the test method is given.
根据振动理论建立了零部件单摆振动周期和转动惯量的关系，给出了实际测量方法。
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