Table 5: ANOVA for top and bottom kerf width.

SourceDFTop kerf width (TKW)Bottom kerf width (BKW)
SSMS% SSSSMS% SS

Pressure ()20.070270.0351414.0824.720.046360.023189.1419.68
Feed rate ()20.035210.017617.0512.380.036090.018057.1215.31
Abrasive concentration ()20.000540.000270.110.190.000840.000420.170.35
SOD ()20.148290.0741529.7052.160.105880.0529420.8744.92
40.003680.000920.371.290.012120.012151.195.14
40.004810.005370.481.680.006180.006180.612.62
40.021490.001211.407.550.012990.012991.285.15
Error60.014970.002495.130.015210.002536.45

DF: degree of freedom, MS: mean square, SS: sum of square, and % SS: percentage contribution.