论改良电化学加工工艺中的加工轮廓精度

IF 0.8 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Gurwinder Singh, Rupinder Singh, P. S. Rao
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引用次数: 0

摘要

关于使用不同刀具和工件材料、加工参数和加工轮廓精度进行传统电化学加工的研究成果层出不穷。此外,还有一些关于改良电化学加工的研究报告,以解决传统电化学加工中的刀具复制问题,在刀具和 W/P 之间采用基于热塑性塑料的新型 3D 打印电极间缝。但迄今为止,有关改良电化学加工的纵横比和加工轮廓精度(过切)的报道很少。本研究基于 Taguchi L18 正交阵列,概述了使用新型方形剖面/横截面电极间狭缝的改良电化学加工的加工轮廓精度,以及进给速度、狭缝厚度、刀具、工件材料和电压。型腔的加工轮廓精度通过沿 X 轴和 Y 轴的型腔尺寸、加工面积、加工深度 (Z)、轮廓截面的对角线长度 (DL)、纵横比 (DL/Z) 和过切来确定。研究表明,根据加工轮廓精度的多因素优化方法,改良电化学加工的优化设置为:电解液浓度 100 g/l,电压 21 V,工件/工具为铜,进给速度 108 µm/min,电极间缝隙厚度 4.5 mm,复合理想度 0.944。此外,在本案例研究中,在改良电化学加工工艺的优化设置下,孔隙率为 23.95%,DL 为 10.955 毫米,沿 X 轴的空腔长度为 4.817 毫米,Y 轴为 3.613 毫米,Z 轴为 1.179 毫米,长宽比为 9.29,超切面积为 18.59 平方毫米。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

On Machining Profile Accuracy in the Modified Electrochemical Machining Process

On Machining Profile Accuracy in the Modified Electrochemical Machining Process

On Machining Profile Accuracy in the Modified Electrochemical Machining Process

Numerous studies have been published on conventional electrochemical machining with different tools and workpiece materials, machining parameters, and machining profile accuracy. Also, some studies have been reported on modified electrochemical machining to address the tool replica issues in conventional electrochemical machining with a novel 3D-printed thermoplastic-based inter-electrode slit between the tool and the W/P. But hitherto, little has been reported on the aspect ratio, and machining profile accuracy (overcut) in modified electrochemical machining. This study outlines the machining profile accuracy of modified electrochemical machining with the use of a novel square profile/cross-section inter-electrode slit along with feed rate, slit thickness, tool, workpiece material, and voltage based on Taguchi L18 orthogonal array. The machining profile accuracy of the cavity was ascertained in the form of the cavity dimensions along the X and Y axis, machined area, machining depth (Z), diagonal length (DL) of profile section, aspect ratio (DL/Z), and overcut. The study suggests that as per the multi-factor optimization approach for machining profile accuracy, the optimized settings of modified electrochemical machining are electrolyte concentration 100 g/l, voltage 21 V, workpiece/tool as Cu, feed rate 108 µm/min, inter-electrode slit thickness 4.5 mm with composite desirability 0.944. Further, at optimized settings of the modified electrochemical machining process in the present case study, porosity 23.95%, DL 10.955 mm, cavity length along the X-axis 4.817 mm, Y-axis 3.613 mm, and Z-axis 1.179 mm, aspect ratio of 9.29 and over cut 18.59 mm2 was achieved.

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来源期刊
CiteScore
2.60
自引率
0.00%
发文量
37
审稿时长
>12 weeks
期刊介绍: To promote research in all the branches of Science & Technology; and disseminate the knowledge and advancements in Science & Technology
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