在切削颤振的预报技术方面，本文系统地讨论了切削振动响应在颤振建立过程中的特征表达问题。
For the early forecasting of cutting chatter this dissertation systematically discusses the characteristic representation of cutting vibration response in chatter development.
轧机第五倍频程颤振表现为高频微幅的自激稳态振动。
Fifth-octave mode chatter is most likely to occur in the form of self-excited steady vibration.
通过所建理论模型及铣削试验讨论了铣削过程中强迫振动、颤振的产生条件及特点。
Through the theoretical model and milling experiment they discuss the condition of producing forced vibration and chatter in milling process and the chatter characteristics.
对镗杆振动学进行了研究，并总结了减小颤振的方法。
The study of dynamics is done for boring bar, and the methods are summarized to alleviate vibration chatter.
存得到切削力模型和机床结构振动模型的基础上，着重研究了再生型颤振对铣削加工过程稳定性的影响。
On the basis of cutting force model and vibration model of machine tools structure, the effect of the regenerative chatter on the stability of end milling is focused.
振动钻削方法具有消减切削颤振的特殊功能，能够取得良好的加工效果。
Vibration drilling possess the special function of reducing chatter vibration, thus achieving a good drilling effects.
针对金属切削加工过程中经常出现的振动现象，对切削颤振发生的各种原因及影响因素进行了分类，并从刀具和切削参数的角度进行了详细分析。
Aiming at vibration phenomena caused in metal machining process, This paper classifies the reason and the factors of influence, which are expounded from the cutting tool and the cutting parameters.
针对规避切削颤振问题，应用相对切削速度概念，提出了速度型动态切削力表达式以及车削或镗削的振动力学模型。
Applying the concept of relative cutting velocity, the expression of velocity type dynamic cutting force and the mechanics model of chatter vibration in turning or boring process were advanced.
结果表明，连续改变机床主轴转速时振动响应的最低点即为不发生颤振的稳定切削点。
The results show that the vibrational response varies regularly when the spindle speed is continuously changed from low to high.
建立固有振动频率和颤振阻尼对结构参数的敏度公式，设计两种不同优化问题的数学模型。
The sensitivity formulas about natural frequency and flutter damp to structure parameters were discussed, and the math models about optimization design were established.
本文对主梁的颤振导数识别，采用与主梁颤振分析试验相同的节段模型和测量装置，以自由振动法进行试验。
This paper makes use of free vibration method, using the same model and measuring device to identify the flutter derivatives of the girder.
将振动叶栅三维流动数值模拟与振动叶片结构动力学分析相结合，建立了叶片颤振数值分析系统。
The numerical flutter analysis system was formed by the three-dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade.
随后，根据速度反馈和位移延时反馈的颤振原理，建立了深孔钻削加工两自由度颤振动力学模型。
Secondly, dynamic model of deep-hole drilling system with the two degrees of freedom are established in the light of principles of machining chatter in cutting processes.
探讨了由于振动频率、颤振自由度、广义质量等参数的变化对机翼—外挂干扰颤振特性影响的一些特点。
This paper probes the features of the effect on the external stores jam flutter characteristics due to the variation of parameters of vibration frequency, flutter freedom and generalized mass.
并通过实际测量主振系统的振动频率和幅值大小，研究了诸因素对再生颤振的影响。
Measuring the amplitudes of vibrational system. we explore all kinds of factors that influence regeneration chatter.
与没加超声波椭圆振动的普通切削相比，超声波椭圆振动切削能显著地提高已加工表面光洁度和抑制颤振。
Compared with the ordinary cutting, the finish of the machined surface and the ability for suppressing chatter are improved.
结果表明，连续改变机床主轴转速时振动响应的最低点即为不发生颤振的稳定切削点。
The results show that the vibrational response varies regularly when the spindle speed is continuously changed from low to high. The lowest point of the response is the stable cutting point.
压电纤维复合材料驱动器在形状控制、振动控制、颤振抑制与抖振控制等方面有广泛的应用前景。
Piezoelectric fiber composite actuators find important application in shape control, vibration control, flutter suppression and buffet control.
根据似然比检验原理提出了一种新的机床切削颤振监测统计量，能识别切削过程中产生的信噪比为0.15的微弱振动成份。
Based on the likelihood ratio test theory, a new detection statistic is proposed in this paper for monitoring the machine tool cutting chatter development.
根据似然比检验原理提出了一种新的机床切削颤振监测统计量，能识别切削过程中产生的信噪比为0.15的微弱振动成份。
Based on the likelihood ratio test theory, a new detection statistic is proposed in this paper for monitoring the machine tool cutting chatter development.
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