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http://dx.doi.org/10.14775/ksmpe.2014.13.3.077

Surface Roughness Prediction of Interrupted Cutting in SM45C Using Coated Tool  

Bae, Myung-Il (Department of Mechanical & Metallurgical Engineering Education, Chung-nam National University)
Rhie, Yi-Seon (Department of Mechanical Engineering, Chung-nam National University)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.13, no.3, 2014 , pp. 77-82 More about this Journal
Abstract
In this study, we carried out the interrupted cutting of carbon steel for a machine structure (SM45C) with a CVD-coated tool and conducted an ANOVA test and a confidence interval analysis to find factors influence the surface roughness and to obtain a regression equation. We found that factor which mostly affects the surface roughness during interrupted cutting was the feed rate. The cutting speed and depth of the cut only had small effect on the surface roughness. From the result of a multi-regression analysis during an interrupted cutting experiment, we obtained regression equation. Its coefficient of determination was 0.918, indicating that the regression equation was predictable. Compared to continuous cutting, if the feed rate increases, the surface roughness will also increase during interrupted cutting.
Keywords
carbon steel for machine structure(SM45C); Confidence Interval; Regression Equation;
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