Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation

An approach for preform estimation in hot die forging

authored by: A. Santangelo, P. Blanke, T. Hadifi, F. E. Wolter, B. A. Behrens
Abstract: In hot die forging processes, the selection of an ideal preform is of great importance with respect to cavity filling and mechanical load. The common procedure in order to define an adequate preform is the usage of Finite-Element-Analysis (FEA), usually as an iterative process in which various preforms are tested with regard to their suitability. An approach that aims at reducing the number of trials by proposing a first estimation of a suitable preform is presented in this paper. It is conjectured that the material flow paths and resistance can be described by the cavity shape using the Medial Axis Transformation. Based on this, a local inverse material flow for time discrete steps is calculated. The result is a first estimation of an adequate preform shape within a few minutes as an input for further FEA. FE-based parametric design optimization procedure is then presented and compared to the inverse approach, which is identified as a useful complement for the forward simulation technique.
Organisation(s): Institute of Metal Forming and Metal Forming Machines
Type: Article
Journal: Production Engineering
Volume: 7
Pages: 409-416
No. of pages: 8
ISSN: 0944-6524
Publication date: 05.04.2013
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Mechanical Engineering, Industrial and Manufacturing Engineering
Electronic version(s): https://doi.org/10.1007/s11740-013-0461-7 (Access: Unknown)
: Details in the research portal "Research@Leibniz University"

BibTeX

@article{7b670dcd81a0479aaf876b0fbb0bb963,
title = "Fast 3D inverse simulation of hot forging processes via Medial Axis Transformation: An approach for preform estimation in hot die forging",
abstract = "In hot die forging processes, the selection of an ideal preform is of great importance with respect to cavity filling and mechanical load. The common procedure in order to define an adequate preform is the usage of Finite-Element-Analysis (FEA), usually as an iterative process in which various preforms are tested with regard to their suitability. An approach that aims at reducing the number of trials by proposing a first estimation of a suitable preform is presented in this paper. It is conjectured that the material flow paths and resistance can be described by the cavity shape using the Medial Axis Transformation. Based on this, a local inverse material flow for time discrete steps is calculated. The result is a first estimation of an adequate preform shape within a few minutes as an input for further FEA. FE-based parametric design optimization procedure is then presented and compared to the inverse approach, which is identified as a useful complement for the forward simulation technique.",
keywords = "Hot die forging, Medial Axis Transformation, Preform estimation",
author = "A. Santangelo and P. Blanke and T. Hadifi and Wolter, {F. E.} and Behrens, {B. A.}",
note = "Funding information: Acknowledgments The authors thank the German Research Foundation (DFG) for the financial support of the research project {\textquoteleft}{\textquoteleft}Schnelle inverse Materialflusssimulation f{\"u}r die Massivumformung mittels der dreidimensionalen Mediale-Achse-Transformation{\textquoteright}{\textquoteright} (project numbers BE 1691/110-1 and WO 954/7-1).",
year = "2013",
month = apr,
day = "5",
doi = "10.1007/s11740-013-0461-7",
language = "English",
volume = "7",
pages = "409--416",
journal = "Production Engineering",
issn = "0944-6524",
publisher = "Springer Verlag",
number = "4",
}