Improving the accuracy of double-sided incremental forming simulations by considering kinematic hardening and machine compliance

Dohyun Leem, Newell Moser, Huaqing Ren, Mojtaba Mozaffar, Kornel F. Ehmann, Jian Cao*

*Corresponding author for this work

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Double-Sided Incremental Forming (DSIF) is a subcategory of Incremental Sheet Forming (ISF) that utilizes two tools to provide squeezing support to achieve improved formability and dimensional accuracy. Due to the complexity and geometric nonlinearities associated with DSIF, the finite element (FE) method is a suitable analysis tool to further analyze the process mechanics and predict forming forces. However, little research that is specific to DSIF has been conducted in relation to identifying the critical factors that affect the accuracy of the simulation in terms of the forming forces. In this study, material kinematic hardening as well as machine compliance are explored as simulation factors to improve the accuracy of force predictions in DSIF simulations. The results suggest that machine compliance – a factor often assumed to be negligible in existing research – plays a pivotal role in achieving the correct trends in the simulated forces.

Original languageEnglish (US)
Pages (from-to)88-95
Number of pages8
JournalProcedia Manufacturing
Volume29
DOIs
StatePublished - Jan 1 2019
Event18th International Conference on Sheet Metal, SHEMET 2019 - Leuven, Belgium
Duration: Apr 15 2019Apr 17 2019

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Hardening
Kinematics
Formability
Compliance
Mechanics
Finite element method

Keywords

  • Double-sided incremental forming
  • Finite element simulation
  • Kinematic hardening
  • Machine compliacne

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Artificial Intelligence

Cite this

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title = "Improving the accuracy of double-sided incremental forming simulations by considering kinematic hardening and machine compliance",
abstract = "Double-Sided Incremental Forming (DSIF) is a subcategory of Incremental Sheet Forming (ISF) that utilizes two tools to provide squeezing support to achieve improved formability and dimensional accuracy. Due to the complexity and geometric nonlinearities associated with DSIF, the finite element (FE) method is a suitable analysis tool to further analyze the process mechanics and predict forming forces. However, little research that is specific to DSIF has been conducted in relation to identifying the critical factors that affect the accuracy of the simulation in terms of the forming forces. In this study, material kinematic hardening as well as machine compliance are explored as simulation factors to improve the accuracy of force predictions in DSIF simulations. The results suggest that machine compliance – a factor often assumed to be negligible in existing research – plays a pivotal role in achieving the correct trends in the simulated forces.",
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author = "Dohyun Leem and Newell Moser and Huaqing Ren and Mojtaba Mozaffar and Ehmann, {Kornel F.} and Jian Cao",
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Improving the accuracy of double-sided incremental forming simulations by considering kinematic hardening and machine compliance. / Leem, Dohyun; Moser, Newell; Ren, Huaqing; Mozaffar, Mojtaba; Ehmann, Kornel F.; Cao, Jian.

In: Procedia Manufacturing, Vol. 29, 01.01.2019, p. 88-95.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Improving the accuracy of double-sided incremental forming simulations by considering kinematic hardening and machine compliance

AU - Leem, Dohyun

AU - Moser, Newell

AU - Ren, Huaqing

AU - Mozaffar, Mojtaba

AU - Ehmann, Kornel F.

AU - Cao, Jian

PY - 2019/1/1

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N2 - Double-Sided Incremental Forming (DSIF) is a subcategory of Incremental Sheet Forming (ISF) that utilizes two tools to provide squeezing support to achieve improved formability and dimensional accuracy. Due to the complexity and geometric nonlinearities associated with DSIF, the finite element (FE) method is a suitable analysis tool to further analyze the process mechanics and predict forming forces. However, little research that is specific to DSIF has been conducted in relation to identifying the critical factors that affect the accuracy of the simulation in terms of the forming forces. In this study, material kinematic hardening as well as machine compliance are explored as simulation factors to improve the accuracy of force predictions in DSIF simulations. The results suggest that machine compliance – a factor often assumed to be negligible in existing research – plays a pivotal role in achieving the correct trends in the simulated forces.

AB - Double-Sided Incremental Forming (DSIF) is a subcategory of Incremental Sheet Forming (ISF) that utilizes two tools to provide squeezing support to achieve improved formability and dimensional accuracy. Due to the complexity and geometric nonlinearities associated with DSIF, the finite element (FE) method is a suitable analysis tool to further analyze the process mechanics and predict forming forces. However, little research that is specific to DSIF has been conducted in relation to identifying the critical factors that affect the accuracy of the simulation in terms of the forming forces. In this study, material kinematic hardening as well as machine compliance are explored as simulation factors to improve the accuracy of force predictions in DSIF simulations. The results suggest that machine compliance – a factor often assumed to be negligible in existing research – plays a pivotal role in achieving the correct trends in the simulated forces.

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KW - Finite element simulation

KW - Kinematic hardening

KW - Machine compliacne

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