The Use of Response Surface Methodology to Optimize Parameter Adjustments in CNC Machine Tools

Shao-Hsien Chen, Wern-Dare Jehng and Yen-Sheng Chen

Mathematical Problems in Engineering, 2014, vol. 2014, 1-11

Abstract:

This paper mainly covers a research intended to improve the circular accuracy of CNC machine tools and the adjustment and analysis of the main controller parameters applied to improve accuracy. In this study, controller analysis software was used to detect the adjustment status of the servo parameters of the feed axis. According to the FANUC parameter manual, the parameter address, frequency, response measurements, and the one-fourth corner acceleration and deceleration measurements of the machine tools were adjusted. The experimental design (DOE) was adopted in this study for taking circular measurements and engaging in the planning and selection of important parameter data. The Minitab R15 software was adopted to predict the experimental data analysis, while the seminormal probability map, Plato, and analysis of variance (ANOVA) were adopted to determine the impacts of the significant parameter factors and the interactions among them. Additionally, based on the response surface map and contour plot, the optimal values were obtained. In addition, comparison and verification were conducted through the Taguchi method, regression analysis to improved machining accuracy and efficiency. The unadjusted error was 7.8 μ m; through the regression analysis method, the error was 5.8 μ m and through the Taguchi analysis method, the error was 6.4 μ m.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:797091

DOI: 10.1155/2014/797091

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