PEPELNJAK, Tomaž ;MILUTINOVIĆ, Mladomir ;PLANČAK, Miroslav ;VILOTIĆ, Dragiša ;RANDJELOVIĆ, Saša ;MOVRIN, Dejan . The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 62, n.1, p. 41-50, june 2018. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/>. Date accessed: 19 nov. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2015.3051.
Pepelnjak, T., Milutinović, M., Plančak, M., Vilotić, D., Randjelović, S., & Movrin, D. (2016). The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion. Strojniški vestnik - Journal of Mechanical Engineering, 62(1), 41-50. doi:http://dx.doi.org/10.5545/sv-jme.2015.3051
@article{sv-jmesv-jme.2015.3051,
author = {Tomaž Pepelnjak and Mladomir Milutinović and Miroslav Plančak and Dragiša Vilotić and Saša Randjelović and Dejan Movrin},
title = {The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {1},
year = {2016},
keywords = {backward extrusion; contact stresses; die elastic deformation; pin load cell; finite element method},
abstract = {In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward extrusion of steel billets have been investigated both experimentally and numerically. For the experiments, a special tooling set including a pin load cell measuring device was designed and made. Contact stresses were recorded at various points in time and at various locations during the extrusion process, i.e. for different punch strokes (part’s bottom thickness). The research focus was on determining the extrusion ratio’s influence on the distribution of the contact stresses and therefore the experiments were performed using five punches of different head diameters. In the next step, based on the measured contact stresses, radial displacements of the inner die wall were calculated by applying Lame’s equation. Furthermore, an extended finite element analysis of the investigated extrusion process was carried out using Simufact.forming software. The results of numerical simulations for the contact stresses were compared with experiments. The benefits and weaknesses of the pin load cell measuring technique and Lame’s formula when it is employed for determination of the die elastic deformation were also examined, as well as were the contribution of the die elastic deformation to dimensional errors of the extruded parts.},
issn = {0039-2480}, pages = {41-50}, doi = {10.5545/sv-jme.2015.3051},
url = {https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/}
}
Pepelnjak, T.,Milutinović, M.,Plančak, M.,Vilotić, D.,Randjelović, S.,Movrin, D. 2016 June 62. The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 62:1
%A Pepelnjak, Tomaž %A Milutinović, Mladomir %A Plančak, Miroslav %A Vilotić, Dragiša %A Randjelović, Saša %A Movrin, Dejan %D 2016 %T The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion %B 2016 %9 backward extrusion; contact stresses; die elastic deformation; pin load cell; finite element method %! The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion %K backward extrusion; contact stresses; die elastic deformation; pin load cell; finite element method %X In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward extrusion of steel billets have been investigated both experimentally and numerically. For the experiments, a special tooling set including a pin load cell measuring device was designed and made. Contact stresses were recorded at various points in time and at various locations during the extrusion process, i.e. for different punch strokes (part’s bottom thickness). The research focus was on determining the extrusion ratio’s influence on the distribution of the contact stresses and therefore the experiments were performed using five punches of different head diameters. In the next step, based on the measured contact stresses, radial displacements of the inner die wall were calculated by applying Lame’s equation. Furthermore, an extended finite element analysis of the investigated extrusion process was carried out using Simufact.forming software. The results of numerical simulations for the contact stresses were compared with experiments. The benefits and weaknesses of the pin load cell measuring technique and Lame’s formula when it is employed for determination of the die elastic deformation were also examined, as well as were the contribution of the die elastic deformation to dimensional errors of the extruded parts. %U https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/ %0 Journal Article %R 10.5545/sv-jme.2015.3051 %& 41 %P 10 %J Strojniški vestnik - Journal of Mechanical Engineering %V 62 %N 1 %@ 0039-2480 %8 2018-06-27 %7 2018-06-27
Pepelnjak, Tomaž, Mladomir Milutinović, Miroslav Plančak, Dragiša Vilotić, Saša Randjelović, & Dejan Movrin. "The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion." Strojniški vestnik - Journal of Mechanical Engineering [Online], 62.1 (2016): 41-50. Web. 19 Nov. 2024
TY - JOUR AU - Pepelnjak, Tomaž AU - Milutinović, Mladomir AU - Plančak, Miroslav AU - Vilotić, Dragiša AU - Randjelović, Saša AU - Movrin, Dejan PY - 2016 TI - The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2015.3051 KW - backward extrusion; contact stresses; die elastic deformation; pin load cell; finite element method N2 - In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward extrusion of steel billets have been investigated both experimentally and numerically. For the experiments, a special tooling set including a pin load cell measuring device was designed and made. Contact stresses were recorded at various points in time and at various locations during the extrusion process, i.e. for different punch strokes (part’s bottom thickness). The research focus was on determining the extrusion ratio’s influence on the distribution of the contact stresses and therefore the experiments were performed using five punches of different head diameters. In the next step, based on the measured contact stresses, radial displacements of the inner die wall were calculated by applying Lame’s equation. Furthermore, an extended finite element analysis of the investigated extrusion process was carried out using Simufact.forming software. The results of numerical simulations for the contact stresses were compared with experiments. The benefits and weaknesses of the pin load cell measuring technique and Lame’s formula when it is employed for determination of the die elastic deformation were also examined, as well as were the contribution of the die elastic deformation to dimensional errors of the extruded parts. UR - https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/
@article{{sv-jme}{sv-jme.2015.3051},
author = {Pepelnjak, T., Milutinović, M., Plančak, M., Vilotić, D., Randjelović, S., Movrin, D.},
title = {The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {1},
year = {2016},
doi = {10.5545/sv-jme.2015.3051},
url = {https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/}
}
TY - JOUR AU - Pepelnjak, Tomaž AU - Milutinović, Mladomir AU - Plančak, Miroslav AU - Vilotić, Dragiša AU - Randjelović, Saša AU - Movrin, Dejan PY - 2018/06/27 TI - The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 62, No 1 (2016): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2015.3051 KW - backward extrusion, contact stresses, die elastic deformation, pin load cell, finite element method N2 - In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward extrusion of steel billets have been investigated both experimentally and numerically. For the experiments, a special tooling set including a pin load cell measuring device was designed and made. Contact stresses were recorded at various points in time and at various locations during the extrusion process, i.e. for different punch strokes (part’s bottom thickness). The research focus was on determining the extrusion ratio’s influence on the distribution of the contact stresses and therefore the experiments were performed using five punches of different head diameters. In the next step, based on the measured contact stresses, radial displacements of the inner die wall were calculated by applying Lame’s equation. Furthermore, an extended finite element analysis of the investigated extrusion process was carried out using Simufact.forming software. The results of numerical simulations for the contact stresses were compared with experiments. The benefits and weaknesses of the pin load cell measuring technique and Lame’s formula when it is employed for determination of the die elastic deformation were also examined, as well as were the contribution of the die elastic deformation to dimensional errors of the extruded parts. UR - https://www.sv-jme.eu/article/the-influence-of-extrusion-ratio-on-contact-stresses-and-die-elastic-deformations-in-the-case-of-cold-backward-extrusion/
Pepelnjak, Tomaž, Milutinović, Mladomir, Plančak, Miroslav, Vilotić, Dragiša, Randjelović, Saša, AND Movrin, Dejan. "The Influence of Extrusion Ratio on Contact Stresses and Die Elastic Deformations in the Case of Cold Backward Extrusion" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 62 Number 1 (27 June 2018)
Strojniški vestnik - Journal of Mechanical Engineering 62(2016)1, 41-50
© The Authors, CC-BY 4.0 Int. Change in copyright policy from 2022, Jan 1st.
In this paper, the distribution of contact stresses along the die-workpiece interface as well as elastic deformation behavior of the die in the cold backward extrusion of steel billets have been investigated both experimentally and numerically. For the experiments, a special tooling set including a pin load cell measuring device was designed and made. Contact stresses were recorded at various points in time and at various locations during the extrusion process, i.e. for different punch strokes (part’s bottom thickness). The research focus was on determining the extrusion ratio’s influence on the distribution of the contact stresses and therefore the experiments were performed using five punches of different head diameters. In the next step, based on the measured contact stresses, radial displacements of the inner die wall were calculated by applying Lame’s equation. Furthermore, an extended finite element analysis of the investigated extrusion process was carried out using Simufact.forming software. The results of numerical simulations for the contact stresses were compared with experiments. The benefits and weaknesses of the pin load cell measuring technique and Lame’s formula when it is employed for determination of the die elastic deformation were also examined, as well as were the contribution of the die elastic deformation to dimensional errors of the extruded parts.