Numerical and experimental investigations of forming limit diagrams in metal sheets

Samuel, M.

doi:10.1016/j.jmatprotec.2004.04.095

Cited by 26 publications

(14 citation statements)

References 34 publications

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“…Sheet metal stamping process is among the oldest and most widely used industrial manufacturing processes [2,3], especially in the automotive parts industry. Stamping is a critical activity characterized by short lead times and constant technological modifications in order to improve quality and reduce manufacturing costs [4].…”

Section: Introductionmentioning

confidence: 99%

Material Characterization for FEM Simulation of Sheet Metal Stamping Processes

Quesada

Gauchía

Álvarez‐Caldas

et al. 2014

Advances in Mechanical Engineering

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Sheet metal forming is an important technology in manufacturing, especially in the automotive industry. Today, engineering simulation tools based on the finite elements method are employed regularly in the design of stamping dies for sheet metal parts. However, a bad material model choice or the use of nonaccurate enough parameters can lead to imprecise simulation results. This work uses ANSYS LS-DYNA software to analyze several material models and the influence of their parameter values in FEM simulation results. The main tool to solve these problems is an application designed to assist die stamp designers. The program allows a procedure to be defined to obtain the values of the properties of an unknown material, which combines finite element simulations with real experimental results. Results obtained for the simulation of a real automotive part are analyzed and compared with the real experimental results. Parameters involved in each material model have been identified, and their influence in final results has been quantified. This is very useful to fit material properties in other simulations. This paper fulfils an identified need in the manufacturing industry. In fact, the proposed application is currently being used by a manufacturer of automotive components.

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Section: Introductionmentioning

confidence: 99%

Material Characterization for FEM Simulation of Sheet Metal Stamping Processes

Quesada

Gauchía

Álvarez‐Caldas

et al. 2014

Advances in Mechanical Engineering

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“…Automotive industry is a clear example of this trend and sheet metal forming, as one of the most important manufacturing processes in car manufacturing industry (Samuel, 2004), is very affected by this situation. Stamping of automotive components is a critical activity characterized by short lead times and constant technological modifications in order to improve quality and reduce manufacturing costs.…”

Section: Introductionmentioning

confidence: 99%

Expert System for Simulation of Metal Sheet Stamping: How Automation Can Help Improving Models and Manufacturing Techniques

Quesada¹,

Gauchía²,

Álvarez‐Caldas³

et al. 2011

Expert Systems for Human, Materials and Automation

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“…The rate of metal flow into die cavity must be controlled so that a better quality is maintained for the strip and defects of wrinkling and tearing are prevented. The restraining force required to control the sheet flow is provided by either the blank holder or the drawbeads or others (Samuel, 2004). Simulation of metal forming has been earlier done using DEFORM2 (Gadala and * Corresponding author.…”

Section: Introductionmentioning

confidence: 99%