Autor: Laskowski, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Numerical 3D FEM Simulation and Experimental Analysis of Tribological Aspects in Turning Inconel 718 Alloy
Autorzy:: Nieslony, P.
Grzesik, W.
Laskowski, P
Zak, K.
Powiązania:: https://bibliotekanauki.pl/articles/99551.pdf
Data publikacji:: 2015
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: finite element method
modelling
friction
tribology
Opis:: This paper presents 3D FEM simulation results performed for the power law and JC (Johnson-Cook) material constitutive models for two sets of friction parameters. The friction conditions were tested using pin-on-disc tribometer. Machining tests were carried out using carbide cutting tools coated with a TiAlN monolayer without coolants. The selection of machining conditions was based on real production data. In addition, a real CAD model of the cutting tool insert was implemented. Moreover, an advanced technique of meshing the cutting edge and the grooved rake face was applied. The simulations include cutting forces and cutting temperature. Finally, FEM simulations were compared with measurements in order to improve the simulation strategy.
Źródło:: Journal of Machine Engineering; 2015, 15, 1; 46-57
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: 3D FEM simulations and experimental studies of the turning process of Inconel 718 superalloy
Autorzy:: Nieslony, P.
Grzesik, W.
Żak, K.
Laskowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/99410.pdf
Data publikacji:: 2014
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: 2D FEM simulation
3D FEM simulation
cutting process
Inconel 718
Opis:: This paper is focused on the finite element analysis of machining of Inconel 718 superalloy in a non-orthogonal (3D) turning process. The cutting experiments were carried out on the cylindrical workpiece of Inconel 718 with the cutting speed of 60-90 m/min, the feed rate of 0.1 mm/rev and different depths of cut. The FEM simulations include the average and maximum interface temperatures, the resultant cutting force and its three components and the chip thickness obtained for the 3D turning process. The simulation results were compared with experimental data obtained in the non-orthogonal process. It was found that the experimental values of the cutting forces are underestimated (about 23-30%) in relation to the FEM simulation data. Additionally, it was noted that the cutting depth has a significant effect on the average interface temperature only when using a non-orthogonal turning process.
Źródło:: Journal of Machine Engineering; 2014, 14, 2; 16-26
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

Artykuł

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