Design of Experiment (DOE) Approach to Optimize Accuracy of Surface Roughness

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This paper presents an investigation on the accuracy of average roughness (Ra) in three surface areas of specimen. For this study, we used two different probes of Mahr Surf XR20 which was MFW 250 tracing arm 6851804 (4.5mm) and tracing arm 6851806 (9.0mm). Full factorial design was used in the experiment plan. The normal probability graph, main effect and interaction plot had been analyzed by using MINITAB (software). The experiment result showed that the tracing arm 6851804 (4.5mm) consisted of small errors compared to the tracing arm 6851806 (9.0mm) based on the main effect plot and interaction plot analysis.

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1224-1228

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December 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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