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Influence of process parameters on cutting force and torque during drilling of glass-fiber polyester reinforced composites

机译：工艺参数对玻璃纤维聚酯增强复合材料钻孔过程中切削力和扭矩的影响

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摘要

This research outlines the Taguchi optimization methodology, which is applied to optimize cutting parameters in drilling of glass fiber reinforced composite (GFRC) material. Analysis of variance (ANOVA) is used to study the effect of process parameters on machining process. This procedure eliminates the need for repeated experiments, time and conserves the material by the conventional procedure. The drilling parameters and specimen parameters evaluated are speed, feed rate, drill size and specimen thickness. A series of experiments are conducted using TRIAC VMC CNC machining center to relate the cutting parameters and material parameters on the cutting thrust and torque. The measured results were collected and analyzed with the help of the commercial software package MINITAB14. An orthogonal array, signal-to-noise ratio are employed to analyze the influence of these parameters on cutting force and torque during drilling. The method could be useful in predicting thrust and torque parameters as a function of cutting parameters and specimen parameters. The main objective is to find the important factors and combination of factors influence the machining process to achieve low cutting low cutting thrust and torque. From the analysis of the Taguchi method indicates that among the all-significant parameters, speed and drill size are more significant influence on cutting thrust than the specimen thickness and the feed rate. Study of response table indicates that the specimen thickness, and drill size are the significant parameters of torque. From the interaction among process parameters, thickness and drill size together is more dominant factor than any other combination for the torque characteristic.
机译：本研究概述了Taguchi优化方法，该方法可用于优化玻璃纤维增​​强复合材料（GFRC）材料的钻孔切削参数。方差分析（ANOVA）用于研究过程参数对机加工过程的影响。该程序消除了重复实验的需要，节省了时间，并且通过常规程序节省了材料。评估的钻孔参数和样本参数是速度，进给速度，钻孔尺寸和样本厚度。使用TRIAC VMC CNC加工中心进行了一系列实验，以将切削参数和材料参数与切削推力和转矩相关联。借助商业软件包MINITAB14收集并分析了测量结果。使用正交阵列的信噪比来分析这些参数对钻孔期间切削力和扭矩的影响。该方法对于根据切割参数和样本参数预测推力和扭矩参数可能有用。主要目的是发现影响切削加工过程的重要因素和因素的组合，以实现低切削力，低切削力和低切削力。 Taguchi方法的分析表明，在所有重要参数中，速度和钻头尺寸对切削推力的影响比试样的厚度和进给速度更重要。响应表的研究表明，试样厚度和钻头尺寸是扭矩的重要参数。从工艺参数之间的相互作用来看，厚度和钻头尺寸在一起比扭矩特性的任何其他组合都更占主导地位。

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