Predicting the Surface Quality of Face Milled Aluminium Alloy Using a Multiple Regression Model and Numerical Optimization (CROSBI ID 197069)
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Šimunović, Katica ; Šimunović, Goran ; Šarić, Tomislav
engleski
Predicting the Surface Quality of Face Milled Aluminium Alloy Using a Multiple Regression Model and Numerical Optimization
The surface roughness is a very significant indicator of surface quality. It represents an essential exploitation requirement a nd influences technological time and costs, i.e. productivity. For that reason, the main objective of this paper is to analyse the influence of face milling cutting parameters (number of revolution, feed rate and depth of cut) on the surface roughness of aluminium alloy. Hence, a statistical (regression) model has been developed to predict the surface roughness by using the methodology of experimental design. Central composite design is chosen for fitting response surface. Also, numerical optimization considering two goals simultaneously (minimum propagation of error and minimum roughness) was performed throughout the experimental region. In this way, the settings of cutting parameters causing the minimum variabilit y in response were determine d for the estimated variations of the significant regression factors.
Surface roughness; face milling; aluminium alloy; experimental design; regression model
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