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Optimal tuning strategy for chatter avoidance in thin-walled part milling by means of tuneable clamping table

机译:可调谐夹紧桌薄壁部铣削克切避税的最佳调谐策略

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Regenerative chatter kind of self-excited vibrations is one of the main issues setting a barrier to productivity in thin wall milling processes on account of their low stiffness and damping properties. In this paper, the tuneable clamping table (TCT) concept is presented as an efficient device for chatter avoidance in thin-walled part milling. The idea is based on mode coupling with in-series configuration, which permits enhancing the dynamic stiffness at the machining point without any direct intervention at the cutting point. The paper presents an optimal tuning strategy for the TCT aiming at maximizing the milling stability, providing the analytical formulae for achieving it. The introduced concept is compared to regular TMDs in terms of optimal parameters and tuning limits and its effect on milling stability are shown.
机译:再生抖动类型的自我激发振动是由于它们的低刚度和阻尼性能,将薄壁铣削过程中的生产率的主要问题是主要问题之一。 在本文中,可调谐夹紧表(TCT)概念作为薄壁部铣削中的避免避免的有效装置。 该思想基于与串联配置的模式耦合,这允许在切割点处而没有任何直接干预的加工点处的动态刚度。 本文提出了一种最佳的调谐策略,其TCT旨在最大化铣削稳定性,提供了实现其实现的分析公式。 将引入的概念与常规TMDS相比,在最佳参数和调谐限制方面,示出了其对铣削稳定性的影响。

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