Acoustic Emission and Surface Roughness in Ultra-Precision Diamond Turning of RSA 6061 for Optics Applications

Universal Journal of Mechanical Engineering Pub Date : 2021-09-01 DOI:10.13189/ujme.2021.090201

Odedeyi Peter Babatunde, Abou-El-Hossein Khaled, A. Lukman

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引用次数: 1

Abstract

Machining Rapidly Solidified aluminium (RSA) 6061, a widely used optical material by Ultra-high precision diamond turning, has enabled high accuracy and surface integrity. However, improved quality and productivity require precision surface and machining process monitoring because the duo has a great influence on machine part performance. The study presented in this paper investigates the effects of cutting parameters (i.e., depth of cut, feed rate and cutting speed) on machining output variables (surface roughness and acoustic emission potentials) during ultra-high precision diamond turning of RSA 6061. With the aid of Box-Behnken design (BBD), a response surface methodology, and the analysis of variance (ANOVA), the correlation between cutting parameters and machining output variables were analyzed and modeled. The results showed that both surface roughness and acoustic emission potentials are greatly influenced by feed rate and cutting speed. For a better-quality surface roughness and low acoustic emission during ultra-high precision diamond turning of RSA 6061, high cutting speed and low feed rates are the right combinations and vice versa.

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光学用RSA 6061超精密金刚石车削的声发射和表面粗糙度

快速凝固铝(RSA) 6061是一种广泛应用的光学材料，采用超高精密金刚石车削加工，实现了高精度和表面完整性。然而，提高质量和生产率需要精确的表面和加工过程监控，因为这两者对机器零件性能有很大的影响。本文研究了RSA 6061超高精密金刚石车削过程中，切削参数(即切削深度、进给速度和切削速度)对加工输出变量(表面粗糙度和声发射势)的影响。借助Box-Behnken设计(BBD)、响应面法和方差分析(ANOVA)，分析了切削参数与加工输出变量之间的相关性并建立了模型。结果表明，进给量和切削速度对表面粗糙度和声发射势均有较大影响。在RSA 6061超高精度金刚石车削过程中，高切削速度和低进给速度是获得高质量表面粗糙度和低声发射的正确组合，反之亦然。

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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Universal Journal of Mechanical Engineering

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