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首页> 外文期刊>Materials >Drilling High Precision Holes in Ti6Al4V Using Rotary Ultrasonic Machining and Uncertainties Underlying Cutting Force, Tool Wear, and Production Inaccuracies
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Drilling High Precision Holes in Ti6Al4V Using Rotary Ultrasonic Machining and Uncertainties Underlying Cutting Force, Tool Wear, and Production Inaccuracies

机译：使用旋转超声波加工和底部切削力，工具磨损和生产不准确的不确定性钻孔高精度孔

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摘要

Ti6Al4V alloys are difficult-to-cut materials that have extensive applications in the automotive and aerospace industry. A great deal of effort has been made to develop and improve the machining operations of Ti6Al4V alloys. This paper presents an experimental study that systematically analyzes the effects of the machining conditions (ultrasonic power, feed rate, spindle speed, and tool diameter) on the performance parameters (cutting force, tool wear, overcut error, and cylindricity error), while drilling high precision holes on the workpiece made of Ti6Al4V alloys using rotary ultrasonic machining (RUM). Numerical results were obtained by conducting experiments following the design of an experiment procedure. The effects of the machining conditions on each performance parameter have been determined by constructing a set of possibility distributions (i.e., trapezoidal fuzzy numbers) from the experimental data. A possibility distribution is a probability-distribution-neural representation of uncertainty, and is effective in quantifying the uncertainty underlying physical quantities when there is a limited number of data points which is the case here. Lastly, the optimal machining conditions have been identified using these possibility distributions.
机译：Ti6Al4V合金是难以切割的材料，在汽车和航空航天工业中具有广泛的应用。已经大量努力开发和改善Ti6Al4V合金的加工操作。本文提出了一个实验研究，系统地分析了加工条件（超声波动力，进料速率，主轴速度和工具直径）对钻孔时的性能参数（切割力，工具磨损，过度误差和圆柱形误差）的影响使用旋转超声机加工（朗姆酒）的Ti6Al4V合金工件上的高精度孔。通过在设计实验程序之后进行实验获得数值结果。通过从实验数据构建一组可能性分布（即梯形模糊数）来确定加工条件对每个性能参数的影响。可能性分布是不确定性的概率分布 - 神经表示，并且当这里存在有限的数据点时，有效地量化了物理量的不确定性。最后，已经使用这些可能性分布来识别最佳加工条件。

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