Sheet metal forming in the case of hinge manufacturing process. Part 2: Numerical study

Sheet metal forming in the case of hinge manufacturing process. Part 2: Numerical study This paper focuses on the modeling of metal response when subjected to sheet forming operation called cold plastic rolling (CPR). The CPR process is the fourth operation of hinge manufacturing in the industry. A 3D finite element (FE) model of the CPR process is built under ABAQUS/Explicit environment. A second simulation that takes into account the effect of the workpiece material history has been considered to improve the CPR model accuracy. Both proposed CPR process model results, in terms of values of CPR-die force vs. displacement, are compared with experimental ones. From the main results, it was found that the comparison between the experimental and the numerical findings, without taking into account the bending effect, shows a poor correlation. However, the reliability of CPR model is well proved when taking into account the workpiece residual stresses and plastic strain. Through simulation, the CPR-die force evolution and the friction coefficient effect are investigated in detail. The research results provide valuable guidelines for better understanding the deformation characteristics of CPR process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International Journal of Advanced Manufacturing Technology Springer Journals

Sheet metal forming in the case of hinge manufacturing process. Part 2: Numerical study

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Publisher
Springer London
Copyright
Copyright © 2017 by Springer-Verlag London Ltd.
Subject
Engineering; Industrial and Production Engineering; Media Management; Mechanical Engineering; Computer-Aided Engineering (CAD, CAE) and Design
ISSN
0268-3768
eISSN
1433-3015
D.O.I.
10.1007/s00170-017-1194-0
Publisher site
See Article on Publisher Site

Abstract

This paper focuses on the modeling of metal response when subjected to sheet forming operation called cold plastic rolling (CPR). The CPR process is the fourth operation of hinge manufacturing in the industry. A 3D finite element (FE) model of the CPR process is built under ABAQUS/Explicit environment. A second simulation that takes into account the effect of the workpiece material history has been considered to improve the CPR model accuracy. Both proposed CPR process model results, in terms of values of CPR-die force vs. displacement, are compared with experimental ones. From the main results, it was found that the comparison between the experimental and the numerical findings, without taking into account the bending effect, shows a poor correlation. However, the reliability of CPR model is well proved when taking into account the workpiece residual stresses and plastic strain. Through simulation, the CPR-die force evolution and the friction coefficient effect are investigated in detail. The research results provide valuable guidelines for better understanding the deformation characteristics of CPR process.

Journal

The International Journal of Advanced Manufacturing TechnologySpringer Journals

Published: Oct 23, 2017

References

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