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

Table 3

Tool wear and surface roughness of Waspaloy for cutting parameters.

The first group cutting parameters	V = 40 m/min, fz = 0.3 mm/tooth, ap = 0.3 mm
Theoretical surface roughness (Ra)	0.469 μm
Travel length (mm)	282	564	864	1128	1410
Tool wear (mm)	0.157	0.21	0.285	0.721	0.989
Surface roughness (μm)	0.297	0.328	0.325	0.729	0.483
The second group cutting parameters	V = 37.5 m/min, fz = 0.35 mm/tooth, ap = 0.25 mm
Theoretical surface roughness (Ra)	0.638 μm
Travel length (mm)	282	282	282	282	282
Tool wear (mm)	0.142	0.142	0.142	0.142	0.142
Surface roughness (μm)	0.330	0.312	0.341	0.419	0.537
The third group cutting parameters	V = 35 m/min, fz = 0.4 mm/tooth, ap = 0.2 mm
Theoretical surface roughness (Ra)	0.833 μm
Travel length (mm)	282	282	282	282	282
Tool wear (mm)	0.116	0.116	0.116	0.116	0.116
Surface roughness (μm)	0.322	0.322	0.322	0.322	0.322