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Volume 43, No 1, 2021, Pages 167-176


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Influence of Cutting Parameters on Surface Roughness in Grinding of 65G Steel

Author:

D.D. Trung

DOI: 10.24874/ti.1009.11.20.01

Received: 18 November 2020
Revised: 20 December 2020
Accepted: 15 January 2021
Published: 15 March 2021

Abstract:

This article presents an experimental research in the grinding the 65G steel. The workpiece velocity, feed rate, and cutting depth are selected as the input parameters for each experiment. The experiments were performed according to a Box-Behnken matrix consisting of 15 experiments. ANOVA analysis results have determined the influence of the input parameters and the interaction between them on the surface roughness. A surface roughness model in the form of quadratic polynomial was constructed. Two data transformations including Box-Cox and Johnson were applied to construct two new surface roughness models. The comparison of three surface roughness models was conducted. The comparison results show that the model using the Johnson transformation has the highest accuracy, the model using the Box-Cox transformation has the accuracy ranked the second position and the model without data transformation had the lowest accuracy.

Keywords:

65G steel grinding, Cutting parameter, Surface roughness model, Box-Cox transformation, Johnson transformation



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Volume 43
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