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首页> 外文会议>4th International Conference on Integrated Design and Manufacturing in Mechanical Engineering - IDMME 2002 May 14-16, 2002 Clermont-Ferrand, France >APPLICATION OF THE STABILITY LOBES THEORY TO MILLING OF THIN WORKPIECES: Experimental Approach
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APPLICATION OF THE STABILITY LOBES THEORY TO MILLING OF THIN WORKPIECES: Experimental Approach

机译：稳定性凸角理论在薄工件铣削中的应用：实验方法

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摘要

The optimisation of cutting conditions in High Speed Machining (HSM) requires the use of a vibratory approach in order to avoid a fast deterioration of the tool and of the spindle, as well as a loss of quality of the surface finish. We suggest a transposition of the method of stability lobes to the case of milling thin parts, which is very typical in the aeronautical manufacturing context. After having modelled the dynamic behaviour of a blade and of the cutting efforts in side milling, we describe the zones of machining instability. An experimental validation allows us to emphasise the transition from stability to instability, in accordance to our theoretical results. The experimental profile is then compared with a computed profile. A decomposition of the different situations of contact between the tool and the part permits us to show the influence of back cutting in the model. Tests of machining then permit the quantification of its role. The objective of this work is the definition of a quick methodology for determining the optimal cutting conditions in a given industrial machining configuration.
机译：为了在高速加工（HSM）中优化切削条件，需要使用振动方法，以避免刀具和主轴的快速变质以及表面质量的损失。我们建议将稳定性凸角方法转换为铣削薄型零件的情况，这在航空制造领域非常典型。在模拟了刀片的动态行为以及侧面铣削中的切割效果之后，我们描述了加工不稳定的区域。根据我们的理论结果，实验验证使我们能够强调从稳定性到不稳定的过渡。然后将实验轮廓与计算轮廓进行比较。对工具和零件之间不同接触情况的分解，使我们能够在模型中显示反切削的影响。然后，通过机加工测试可以量化其作用。这项工作的目的是定义一种快速方法，以确定在给定的工业加工配置中的最佳切削条件。

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