The experiments to verify the phase characteristics of cutting chatter are conducted.
最后对切削颤振的相位特性进行了试验考证。
The proposed theory and methods are applied to modeling and analysis of metal cutting chatter .
将提出的理论和方法应用于车削颤振的建模和分析。
The predictive control of cutting chatter at the center of turning process is mainly discussed in this paper.
讨论了车削加工中心切削颤振的预报控制方法。
A two-dimensional fuzzy controller using displacement as feedback variable is developed to control the cutting chatter.
并以颤振位移作为反馈变量,建立了基于二维模糊控制器的颤振控制系统。
The method to automatically control cutting chatter based on on-line recognition of stable cutting point is studied by experiments.
通过试验研究了切削颤振自动控制的稳定切削点在线识别方法。
The work in the field of prediction of cutting chatter is summarized. The advantages and disadvantages are also analyzed in this paper.
对国内外切削颤振领域的研究工作进行评述,分析了现有的颤振预报方法的优缺点。
An applicable method to control regenerative cutting chatter automatically based on the optimal regulation of spindle speed is introduced.
提出一种实用的通过主轴转速寻优调整对再生型切削颤振进行自动控制的方法。
Based on the analysis of cutting chatter, the cutter body structure and parameters of special cutter for machining gear pump bodies are optimum designed.
在分析加工颤振机理的基础上,对加工齿轮泵壳体齿圈槽专用刀具的刀体结构和刀具参数进行了优化设计。
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。
Two kinds of information fusion method of the cutting chatter state recognition are given based on the basic probability assignment function, Pl a and Bel a.
讨论了切削颤振状态识别的信息融合方法,分别给出了基于基本概率分配函数和基于证据区间值的颤振状态识别方法。
A new method for suppressing cutting chatter is studied by adjusting servo parameters of the numerical control (NC) machine tool and controlling the limited cutting width.
研究了通过调节数控机床伺服参数,控制极限切削宽度来抑制切削颤振的新方法。
For the early forecasting of cutting chatter this dissertation systematically discusses the characteristic representation of cutting vibration response in chatter development.
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。
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.
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。
Faced with chatter during CNC heavy cutting, we constructed the mathematical model of CNC heavy cutting servo system which contains chatter in the process of cutting.
针对数控强力切削中颤振问题,建立了包含切削过程颤振环节的数控强力切削伺服系统数学模型。
After the chatter frequency is idenrified through the power spectrum of the chatter signals dy carrying out FFT, the best phase difference and the related tooth cutting period are calculated.
然后根据颤振系统与切削周期的能量关系,计算出最优相位差及相应的切削周期;
Compared with the ordinary cutting, the finish of the machined surface and the ability for suppressing chatter are improved.
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。
On the basis, the chatter and noise are discussed during the cutting.
在此基础上,对加工中的颤振和噪声做了一些讨论。
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.
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。
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.
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。
The fiber formation regions are studied in mechanical chatter cutting method in which short metal fibers are machined.
本文研究了机械振动切削法制造金属短纤维的生成域。
In order to reduce the system chatter, in the cutting process, some specific cutting speed should be avoided to adopt for different machines.
针对不同的机床,为使减小加工过程中系统振动,应避免采用一些特定的速度;
The article discusses an automatic tool wear measuring method during chatter cutting, practical application shows very good results.
本文研究了一种实现颤振切削自动化的刀具磨损检测方法。实际应用表明,这种方法收到了良好的效果。
Even if the date of back cutting depth is bigger in the parts of cutting velocity, the cutting system's chatter vibration might not be happened.
如果公称切削速度处于该稳定区域,即使背吃刀量较大,系统也不易发生颤振。
The results of computer simulation demonstrates that it is more efficient to suppress chatter by time-varying feed rate cutting than by increasing feed rate cutting only.
计算机模拟结果表明,时变进给切削比单调增大进给切削更能有效地抑制颤振。在一定的条件下,时变进给量变化幅度及变化频率越大,抑振效果越好。
The complete machine rigidity is superior, the cutting does not have the chatter mark steadily.
整机刚性优越,切削平稳无震痕。
A method of detecting chatter in high-speed milling by means of measuring the noise from the cutting process is given.
给出一种通过测量加工过程中的噪声来诊断高速铣削时颤振的方法。
A method of detecting chatter in high-speed milling by means of measuring the noise from the cutting process is given.
给出一种通过测量加工过程中的噪声来诊断高速铣削时颤振的方法。
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