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 15

Graphic representation of the roughness parameter Rmr (50% Rz) % as a function of the feed f (mm/rot) and the radius of the tip of the cutting nose insert radius r (mm), at v = 133 (m/min).