Prediction of Tool Lifetime and Surface Roughness for Nickel-Based Waspaloy

Table 6

Fitting curve formula of each set of cutting parameter on the cutting time.

Cutting parameters	Curve formula
V = 40 m/min, fz = 0.3 mm/tooth, and ap = 0.3 mm
V = 37.5 m/min, fz = 0.35 mm/tooth, and ap = 0.25 mm
V = 35 m/min, fz = 0.4 mm/tooth, and ap = 0.2 mm