期刊文献+

多条件数控铣床切削振动控制 被引量:8

Multiple factors vibration controlling of cnc milling maching
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摘要 为了合理控制铣削过程中产生的振动,利用切削振动信号、机床主轴电机功率和主轴转速信号等多控制条件,设计了数控铣床切削振动控制系统。对VMC850数控铣床切削振动信号进行了检测,通过时域和频域分析确定了均方根和功率谱密度等数控机床切削振动控制的参量的阈值和切削加工参数的回避值;结合主轴电机的功率和主轴转速等信息,对机床切削参数进行了控制,实现了对进给速度和主轴转数的智能控制。该控制系统的使用,提高了数控机床的振动控制能力。 In order to control the vibiration in milling process,multiple factors such as vibration signal,power of spindle moter and spindle speed signal are used in the vibration controlling system of CNC milling machine.The rule of time and frequency domain features Root Mean Square and power spectral density of vibration signal is got.The power of spindle motor,the cutting parameters of CNC machine tool is regulated.The controlling signal can control the rotational speed of the spindle and the federate.With this system,the vibration controlling ability of CNC machine tool is improved.
出处 《辽宁工程技术大学学报(自然科学版)》 CAS 北大核心 2011年第1期104-108,共5页 Journal of Liaoning Technical University (Natural Science)
基金 国家"高档数控机床与基础制造装备"科技重大专项课题资助项目(2009ZX04001-53)
关键词 切削颤振 频域分析 时域分析 自适应 cutting chatter time domain frequency domain adaptive optimal control
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参考文献9

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二级参考文献14

  • 1韩志华,罗学科,张超英.数控机床切削加工过程颤振抑制技术的研究[J].北方工业大学学报,2006,18(1):25-29. 被引量:3
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