Abstract
In order to predict machining characteristic factors in metal cutting processes, the geometry of the secondary plastic deformation zone in the chip formation processes has to be determined. An analytical approach for determining the secondary plastic deformation zone is presented in this paper. The zone is modelled using a slipline field. An analysis is given to relate the slipline field representing the secondary plastic deformation zone to the stresses at the tool-chip interface. The slipline field can thus be calculated from the stress distributions along the tool-chip interface. A computer package is developed for generating the slipline field. In this, a slipline field for the secondary plastic deformation zone is calculated from the stress distributions along the tool-chip interface, and the result is presented numerically and graphically. Examples for the slipline fields calculated are given to show the relationship between stress distributions along the tool-chip interface and the secondary plastic deformation zone.
Published Version
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