Abstract
This paper describes the procedure for creating and verifying a thermomechanical FEM model of orthogonal cutting processes as well as the results obtained with this model. To verify the model, the temperature was measured in the secondary shear zone and at the exterior surface of the chip, which was analytically estimated as well and compared with the experimental values. In addition, the resultant forces and the chip compression ratio were determined as further characteristic machining variables. The course of the obtained results is explained using the correlation between the capacity produced by the heat source and its retention period in the temperature range under consideration. Finally, the values for temperature, resultant forces and chip compression ratio as attained by experiment are compared with those calculated with the FEM cutting model.
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Acknowledgments
The presented results were gained in the project HE 1656/146-1 “Modelling and Compensation of Thermic Processing Influence for Short Hole Drilling” within the priority programme SPP 1480 “Modelling, Simulation and Compensation of Thermal Effects for Complex Machining Processes” (CutSim), which was funded by the German Research Foundation (DFG). The authors would like to thank the DFG and all partners in this SPP for their support, which is highly appreciated.
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Heisel, U., Storchak, M. & Krivoruchko, D. Thermal effects in orthogonal cutting. Prod. Eng. Res. Devel. 7, 203–211 (2013). https://doi.org/10.1007/s11740-013-0451-9
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DOI: https://doi.org/10.1007/s11740-013-0451-9