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Slug Impact on Punching Quality in Case of Various Punch-Die Clearances and Velocities.

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Title: Slug Impact on Punching Quality in Case of Various Punch-Die Clearances and Velocities.
Authors: Zeidi, Abdelwaheb1 (AUTHOR), Elleuch, Khaled1,2 (AUTHOR), Atapek, Şaban Hakan2,3 (AUTHOR), Konieczny, Jarosław1,3 (AUTHOR) jaroslaw.konieczny@polsl.pl, Labisz, Krzysztof2,3 (AUTHOR), Ćwiek, Janusz3 (AUTHOR)
Source: Materials (1996-1944). Jun2026, Vol. 19 Issue 12, p2452. 20p.
Subjects: Punching (Metalwork), Finite element method, Impact (Mechanics), Cold working of metals
Abstract: Punching is a fundamental and extensively employed process in the field of cold forming, prized for its operational simplicity, high performance, and ability to produce components of superior quality. However, the process is inherently complex, as the selection of optimal punching parameters remains a challenging endeavor. Achieving a high-quality punched product is critically dependent on the precise and validated choice of these parameters, which directly influence the mechanical and geometrical integrity of the final component. In this study, the shear zone height, a key indicator of punched part quality, is systematically investigated. The finite element method (FEM), integrated with the Johnson-Cook material model, is employed to simulate and analyze the influence of various punching parameters on the shear zone height, with particular emphasis on the effect of different punch shaft shapes. The Johnson-Cook model, renowned for its accuracy in capturing material behavior under high strain rates and temperatures, enables a robust and reliable simulation framework. The results of this investigation reveal that punch tools featuring a pointed shaft shape exhibit an almost constant distribution of shear zone height across a range of punching parameters. This consistency suggests that such designs are less sensitive to parameter variations, thereby offering a more stable and predictable performance. Consequently, the pointed punch shape is identified as the optimal configuration for achieving superior punched part quality, minimizing defects, and enhancing process reliability. This work contributes to the advancement of cold forming technology by providing insights into the relationship between punch geometry and shear zone characteristics, ultimately facilitating the selection of punching parameters for improved product quality and process efficiency. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 194907526
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Slug Impact on Punching Quality in Case of Various Punch-Die Clearances and Velocities.
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  Data: <searchLink fieldCode="AR" term="%22Zeidi%2C+Abdelwaheb%22">Zeidi, Abdelwaheb</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Elleuch%2C+Khaled%22">Elleuch, Khaled</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Atapek%2C+Şaban+Hakan%22">Atapek, Şaban Hakan</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Konieczny%2C+Jarosław%22">Konieczny, Jarosław</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> jaroslaw.konieczny@polsl.pl</i><br /><searchLink fieldCode="AR" term="%22Labisz%2C+Krzysztof%22">Labisz, Krzysztof</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ćwiek%2C+Janusz%22">Ćwiek, Janusz</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Jun2026, Vol. 19 Issue 12, p2452. 20p.
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  Data: <searchLink fieldCode="DE" term="%22Punching+%28Metalwork%29%22">Punching (Metalwork)</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+%28Mechanics%29%22">Impact (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Cold+working+of+metals%22">Cold working of metals</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Punching is a fundamental and extensively employed process in the field of cold forming, prized for its operational simplicity, high performance, and ability to produce components of superior quality. However, the process is inherently complex, as the selection of optimal punching parameters remains a challenging endeavor. Achieving a high-quality punched product is critically dependent on the precise and validated choice of these parameters, which directly influence the mechanical and geometrical integrity of the final component. In this study, the shear zone height, a key indicator of punched part quality, is systematically investigated. The finite element method (FEM), integrated with the Johnson-Cook material model, is employed to simulate and analyze the influence of various punching parameters on the shear zone height, with particular emphasis on the effect of different punch shaft shapes. The Johnson-Cook model, renowned for its accuracy in capturing material behavior under high strain rates and temperatures, enables a robust and reliable simulation framework. The results of this investigation reveal that punch tools featuring a pointed shaft shape exhibit an almost constant distribution of shear zone height across a range of punching parameters. This consistency suggests that such designs are less sensitive to parameter variations, thereby offering a more stable and predictable performance. Consequently, the pointed punch shape is identified as the optimal configuration for achieving superior punched part quality, minimizing defects, and enhancing process reliability. This work contributes to the advancement of cold forming technology by providing insights into the relationship between punch geometry and shear zone characteristics, ultimately facilitating the selection of punching parameters for improved product quality and process efficiency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/ma19122452
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      – Code: eng
        Text: English
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        PageCount: 20
        StartPage: 2452
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      – SubjectFull: Punching (Metalwork)
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Impact (Mechanics)
        Type: general
      – SubjectFull: Cold working of metals
        Type: general
    Titles:
      – TitleFull: Slug Impact on Punching Quality in Case of Various Punch-Die Clearances and Velocities.
        Type: main
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            NameFull: Zeidi, Abdelwaheb
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            NameFull: Elleuch, Khaled
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            NameFull: Atapek, Şaban Hakan
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            NameFull: Konieczny, Jarosław
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            NameFull: Labisz, Krzysztof
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            NameFull: Ćwiek, Janusz
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              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 19
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