Optimization of cutting conditions for surface roughness in CNC end milling

The aim of this research is to develop an integrated study of surface roughness to model and optimize the cutting parameters when end milling of 6061 aluminum alloy with HSS and carbide tools under dry and wet conditions. A multiple regression analysis using analysis of variance is conducted to dete...

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Bibliographic Details
Published in:International journal of precision engineering and manufacturing 2011-06, Vol.12 (3), p.383-391
Main Authors: Raju, Kantheti Venkata Murali Krishnam, Janardhana, Gink Ranga, Kumar, Podaralla Nanda, Rao, Vanapalli Durga Prasada
Format: Article
Language:English
Subjects:
Engineering
Industrial and Production Engineering
Materials Science
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Summary:The aim of this research is to develop an integrated study of surface roughness to model and optimize the cutting parameters when end milling of 6061 aluminum alloy with HSS and carbide tools under dry and wet conditions. A multiple regression analysis using analysis of variance is conducted to determine the performance of experimental measurements and to show the effect of cutting parameters on the surface roughness. The second-order mathematical models in terms of machining parameters have been developed for each of these conditions on the basis of experimental results. Genetic algorithm (GA) supported with the regression equation is utilized to determine the best combinations of cutting parameters providing roughness to the lower surface through optimization process. The value obtained from GA is compared with that of experimental value and found reliable. It is observed from the results that the developed study can be applied to other machining processes operating under different machining conditions.
ISSN:2234-7593
2005-4602
DOI:10.1007/s12541-011-0050-7