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Operational stability prediction in milling based on impact tests

机译：基于冲击试验的铣削运行稳定性预测

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摘要

Chatter detection is usually based on the analysis of measured signals captured during cutting processes. These techniques, however, often give ambiguous results close to the stability boundaries, which is a major limitation in industrial applications. In this paper, an experimental chatter detection method is proposed based on the system's response for perturbations during the machining process, and no system parameter identification is required. The proposed method identifies the dominant characteristic multiplier of the periodic dynamical system that models the milling process. The variation of the modulus of the largest characteristic multiplier can also be monitored, the stability boundary can precisely be extrapolated, while the manufacturing parameters are still kept in the chatter-free region. The method is derived in details, and also verified experimentally in laboratory environment.
机译：颤动检测通常基于对切割过程中捕获的测量信号的分析。但是，这些技术通常会在稳定性边界附近给出模糊的结果，这是工业应用中的主要限制。本文基于加工过程中系统的扰动响应，提出了一种实验性颤振检测方法，不需要识别系统参数。所提出的方法确定了建模铣削过程的周期性动力系统的主要特征乘数。还可以监控最大特性倍增器的模量变化，可以精确推断出稳定性边界，而制造参数仍保持在无抖动区域。该方法详细推导，并在实验室环境中进行了实验验证。

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  • 来源
    《Mechanical systems and signal processing》 |2018年第15期|327-339|共13页
  • 作者

    Adam K. Kiss; David Hajdu; Daniel Bachrathy; Gabor Stepan;

  • 作者单位

    Department of Applied Mechanics, Budapest University of Technology and Economics, Muegyetem rkp. 3, Budapest, Hungary;

    Department of Applied Mechanics, Budapest University of Technology and Economics, Muegyetem rkp. 3, Budapest, Hungary;

    Department of Applied Mechanics, Budapest University of Technology and Economics, Muegyetem rkp. 3, Budapest, Hungary;

    Department of Applied Mechanics, Budapest University of Technology and Economics, Muegyetem rkp. 3, Budapest, Hungary;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Machining; Chatter detection; Stability; Identification; Floquet multiplier;

    机译：加工;颤振检测;稳定性;鉴定;浮球乘法器;

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