Research Article

A Prediction Model of Cutting Force about Ball End Milling for Sculptured Surface

Table 5

The data of tool path points at area A (part).

CLPTool axis vector u(t)Feed vector (t)Normal vector n(t)

164.3785.83764.303−0.902−0.0340.428−0.963−0.0350.265−0.428−0.015−0.903
163.5285.80762.478−0.908−0.0340.416−0.963−0.0350.265−0.416−0.014−0.909
162.7025.77860.642−0.913−0.0340.404−0.963−0.0350.265−0.404−0.014−0.914
161.9015.74958.794−0.919−0.0350.391−0.963−0.0350.265−0.391−0.013−0.919
161.1245.72256.937−0.924−0.0350.379−0.963−0.0350.265−0.379−0.013−0.925