The effect of electrical discharge machining parameters on alloy DIN 1.2080 using the Taguchi method and determinant of optimal design of experiments

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2017-06-28 DOI:10.3329/JNAME.V14I1.31632

P. Sadr, A. Kolahdooz, S. A. Eftekhari

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引用次数: 7

Abstract

Electrical Discharge Machining (EDM) process is one of the most widely used methods for machining. This method is used to form parts that conduct electricity. This method of machining has used for hard materials and therefore select the correct values of parameters are so effective on the quality machining of parts. D3 steel has a high abrasion resistance at low temperatures therefore can be a good candidate for this method of machining. Also because of high hardness and low distortion during heat treatment, using this method is economical for this alloy. The purpose of this paper is to investigate the influence of the main parameters such as voltage, current, pulse duration and pulse off time and the interaction of them to determine the optimal condition for the D3 steel alloy (alloy with DIN 1.2080). Chip removal rate (MRR) and surface quality of parts were evaluated as the output characteristic of the study. The optimum conditions were achieved when the MRR is in the highest value and surface roughness is in the lowest one. For investigation of interaction, two kinds of DOE methods (Taguchi and determinant of optimal experimental design) are used. Then the optimal parameters are investigated with the help of the analysis signal to noise (S/N) and mathematical modeling. The optimize results were tested again and compared. Also the results showed that regression modeling has better accuracy than the S/N analysis. This is because of a greater number of experiments that done in this part and taking into account the interaction parameters in the regression model.

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用田口法研究放电加工参数对DIN1.2080合金的影响及实验优化设计的决定因素

电火花加工是应用最广泛的加工方法之一。这种方法用于形成导电部件。这种加工方法适用于硬质材料，因此选择正确的参数值对零件的加工质量非常有效。D3钢在低温下具有高耐磨性，因此可以是这种加工方法的良好候选者。此外，由于热处理过程中硬度高、变形小，使用这种方法对这种合金来说是经济的。本文的目的是研究电压、电流、脉冲持续时间和脉冲关断时间等主要参数的影响及其相互作用，以确定D3钢合金（符合DIN 1.2080的合金）的最佳条件。当MRR处于最高值而表面粗糙度处于最低值时，获得了最佳条件。对于相互作用的研究，使用了两种DOE方法（田口和最优实验设计行列式）。然后借助分析信噪比（S/N）和数学模型对最优参数进行了研究。对优化结果进行了再次测试和比较。结果还表明，回归模型比S/N分析具有更好的准确性。这是因为在这一部分中进行了大量的实验，并考虑了回归模型中的相互作用参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.