Abstract
The here developed friction model for numerical simulations of machining processes takes account of the physical‐mechanical phenomena occurring in different cutting zones by determining the concentrated forces acting in these zones. The forces acting in the primary and tertiary zones were divided from the general cutting forces obtained by experiment or calculated analytically. The forces in the plastic and elastic contact of the secondary cutting zone were identified by eliminating the elastic contact due to a reduction in the rake face of the cutting wedge. For each respective zone, a coefficient of friction was determined as a quotient of normal and tangential forces.
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