Research Article

Optimisation of Cutting Tool and Cutting Parameters in Face Milling of Custom 450 through the Taguchi Method

Table 7

Comparison between confirmatory test results and calculated values for Ra.

MaterialConfirmation test resultsCalculated valuesDifferences
Ra mes. (N)S/N (ηmes, dB)Ra calc (N)S/N (ηcalc, dB)Ra mesRa calcηmesηcalc

Custom 4500.3758.51940.2589.21210.117−0.6927