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<p>The benchmark 2024 project on Incremental Sheet Forming (ISF), involving 15 research institutes in 13 experimental contributions, provided a unique opportunity to compare experimental outputs from various setups and forming strategies in ISF. This collaboration led to the development of uniform data exchange formats, measurement guidelines, and standardized nomenclature, fostering efficient future collaborations. The project addressed challenges in geometric accuracy when forming a relatively large part (400 × 400 mm) using Single Point Incremental Forming (SPIF) and focused on multiple common pitfalls in ISF, in particular the tent effect and pillow effect. Additionally, some experiments have been conducted using Two Point and Double Sided Incremental Forming (TPIF and DSIF). By combining the knowledge and experience of all participating institutes, this project aimed to provide insights into effective parameter choice and toolpath strategies, and shows the importance of multi-stage processes to increase the geometric accuracy. Despite the theoretical simplicity of SPIF setups, such multi-stage toolpath strategies directed toward improved geometric accuracy also add some new challenges. The study highlighted the need for multi-stage strategies that focus on local effects, as well as geometric compensation techniques to enhance ISF's industrial applicability. Alternative process variants like TPIF and DSIF, showed promising results, but they also had limitations and presented challenges, emphasizing the importance of predictive simulation tools to further increase geometric accuracy. The scalability of ISF experiments remains a significant challenge, necessitating further research into scale laws for process optimization.</p>

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ESAFORM benchmark 2024: study on the geometric accuracy of a complex shape with single point incremental forming

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月11日

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  • Marthe Vanhulst,
  • Youngrok Lee,
  • Dennis Steinfels,
  • Thomas Bremen,
  • Konrad Perzyński,
  • Hans Vanhove,
  • Giuseppina Ambrogio,
  • Radu-Eugen Breaz,
  • Gianluca Buffa,
  • Romina Conte,
  • Liugi De Napoli,
  • Livan Fratini,
  • Xiao Da Terrence Fu,
  • Francesco Gagliardi,
  • Margarida Gralha,
  • Putong Kang,
  • Łukasz Kuczek,
  • A. Senthil Kumar,
  • Andreas Kunke,
  • André Leonhardt,
  • Yanle Li,
  • Zhuoer Li,
  • Roberto Licari,
  • Hui Long,
  • Darren Wei Wen Low,
  • Sever-Gabriel Racz,
  • Peter Scholz,
  • M. Beatriz Silva,
  • Shaoqi Song,
  • Dieter Weise,
  • Krzysztof Żaba,
  • Hui Zhu,
  • David Bailly,
  • Mihaela Banu,
  • Lukasz Madej,
  • Joost R. Duflou

摘要

The benchmark 2024 project on Incremental Sheet Forming (ISF), involving 15 research institutes in 13 experimental contributions, provided a unique opportunity to compare experimental outputs from various setups and forming strategies in ISF. This collaboration led to the development of uniform data exchange formats, measurement guidelines, and standardized nomenclature, fostering efficient future collaborations. The project addressed challenges in geometric accuracy when forming a relatively large part (400 × 400 mm) using Single Point Incremental Forming (SPIF) and focused on multiple common pitfalls in ISF, in particular the tent effect and pillow effect. Additionally, some experiments have been conducted using Two Point and Double Sided Incremental Forming (TPIF and DSIF). By combining the knowledge and experience of all participating institutes, this project aimed to provide insights into effective parameter choice and toolpath strategies, and shows the importance of multi-stage processes to increase the geometric accuracy. Despite the theoretical simplicity of SPIF setups, such multi-stage toolpath strategies directed toward improved geometric accuracy also add some new challenges. The study highlighted the need for multi-stage strategies that focus on local effects, as well as geometric compensation techniques to enhance ISF's industrial applicability. Alternative process variants like TPIF and DSIF, showed promising results, but they also had limitations and presented challenges, emphasizing the importance of predictive simulation tools to further increase geometric accuracy. The scalability of ISF experiments remains a significant challenge, necessitating further research into scale laws for process optimization.