Research Article

Mathematical Modeling of the Bearing Ratio Curve Rmr (50% Rz), through Investigation of the Effect of Process Parameters in Hard Turning of Steel C55 (DIN) with Mixed Ceramics MC2 (Al2O3 + TiC)

Figure 13

Graphic display of the roughness parameter Rmr (50% Rz) as a function of the feed f (mm/feed) and the depth of cut a (mm), at v = 133 (m/min) and r = 1.6 (mm).