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Effect of machining parameters over surface roughness in contour milling of aluminium 2024-T351 using 5-axis parallel kinematic machine

机译:五轴并联运动学机床对铝2024-T351轮廓铣削中加工参数对表面粗糙度的影响

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摘要

Surface roughness is reduced by optimising the machining parameters. This research analyses the effect of machining parameters on surface quality of aluminium 2024 T351 in milling of semi-circular pocket with carbide tool on 5-axis hybrid parallel kinematic machine (HPKM). Three different segmented surfaces were selected on semi-circular pocket and investigated the influence of machining parameters. The selected parameters are spindle speed, feed rate and depth of cut. Investigation of this study results in the optimum parameters that could produce good surface finish. The effect of these cutting parameters is evaluated using L9 Taguchi orthogonal array, s ratio, analysis of variance (ANOVA). Based on the result analysis, good surface finish can be obtained at high cutting speed, low feed rate, and low depth of cut. Also, the maximum influence of feed rate among the selected surface segments was ascertained.
机译:通过优化加工参数可以降低表面粗糙度。本研究分析了在5轴混合并联运动机(HPKM)上用硬质合金刀具铣削半圆形腔时加工参数对2024 T351铝表面质量的影响。在半圆形腔体上选择了三个不同的分段表面,并研究了加工参数的影响。选择的参数是主轴速度,进给速度和切削深度。对这项研究的研究得出了可以产生良好表面光洁度的最佳参数。使用L9 Taguchi正交阵列,信噪比,方差分析(ANOVA)评估这些切削参数的效果。根据结果​​分析,可以在高切削速度,低进给速度和低切削深度下获得良好的表面光洁度。此外,确定了所选表面段之间进给速度的最大影响。

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