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Tool wear is an important criterion in metal cutting affecting part quality, chip formation and the economics of the cutting process. In order to account for tool wear adequately in tool and process design, simulation tools predicting tool wear in metal cutting processes are required. Within this paper, an advanced simulation approach is presented, coupling FE simulations of chip formation with a...
In dry cutting an intensified heating of workpiece, tool and machine tool results in thermoelastic deformation which in turn causes dimensional and geometrical deviations of the machined parts. This paper presents a multiscale simulation method to calculate and compensate this effect. A chip formation model is used to compute the thermomechanical energy conversion and to determine the heat source...
In this paper FE-based tool wear simulation has been applied to complex shaped and coated cutting tools in turning operations. The coating has been considered by an own functional layer with specific friction and thermal properties as well as wear resistance. Therefore, a modified Usui tool wear model is calibrated for the coating and the substrate and combined in a three-dimensional simulation in...
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