Considering the variable inertia of the reciprocating parts, free torsional vibration characteristics of crankshaft are studied.
研究往复运动件变惯量下的曲轴系自由扭振特性。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响，并对一多缸机轴系进行了扭振计算。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
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