3D modelling of the mechanical actions of cutting: application to milling (original) (raw)
Lecture Notes in Mechanical Engineering, 2016
Abstract
Along the cutting edge, the geometric and kinematic parameters vary greatly and the velocity vector at each point is very sensitive to the current position of the point considered on the cutting edge. The proposed study includes, for each of the three shear zones, the effect of velocity gradients on the strain fields and strain rates. These velocity gradients generate additional displacements of the chip, in three dimensions and, therefore, new force components and cutting moments. This study presents the overall approach for calculating cutting action starting with a detailed description of each feature area. The wrench of action is determined at the tip of the tool based on the elementary forces along the edge.
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