抄録
An FEM-based model to predict the deformation of thin-wall parts to minimize the static deformation have been previously studied. In order to apply the simulation to design of cutting strategies, a simplified and practical force model covering variable radial depth of cut and axial depth of cut was proposed. The instantaneous cutting force was normalized as a rectangular function. The duty factor of the rectangular function was calculated from cutting conditions. Cutting tests on an aluminum alloy workpiece with slant paths were conducted to identify the parameters, where the radial depth of cut and/or axial depth of cut varied from zero to the nominal values. The cutting force calculated by the model was compared with experimental data for validation.
