Determination of Machining Parameters Affecting Surface Roughness of MDF Using the Taguchi and RSM Methods

Year 2019, Volume: 21 Issue: 2, 397 - 405, 15.08.2019

Ümmü Karagöz İşleyen

Abstract

In this study, the influence of the machining
parameters on surface roughness of MDF machined on a CNC router based on
machining parameters such as feed rate, spindle speed,, depth of cut and depth
of cut) was investigated with Taguchi and Response surface method (RSM) metod.  Taguchi L₁₆ orthogonal array has
was used for experiments design. The significant machining parameters effect on surface
roughness were analyzed with the analysis of signal to noise ratios (S/N), ANOVA,
main effect graphs of means and 3 D surface plots.   Mathematical prediction models of the effects
of processing parameters on surface roughness were developed using response
surface methodology (RSM). it was observed that the main effects of factors (depth
of cut , feed rate, spindle speed) on roughness were found to be statistically
significant, although interaction of factors has no effect on surface
roughness.  It was found that surface
roughness value increased with increasing feed rate and depth of cut and
decreasing spindle speed. The better surface roughness values were obtained at
25000 mm/min of feed rate, 24000 rpm of spindle speed and 4 mm of depth of cut.
 

Keywords

surface roughness, surface milling, Taguchi

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