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 14

Graphic representation of the roughness parameter Rmr (50% Rz) as a function of the feed f (mm/rot) and the cutting nose insert radius r (mm), at v = 67 (m/min) and a = 0.4 (mm).