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Planner for sheet metal components to obtain optimal bend sequence using a genetic algorithm.

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Title: Planner for sheet metal components to obtain optimal bend sequence using a genetic algorithm.
Authors: Kannan, T.R.1 (AUTHOR), Shunmugam, M.S.1 (AUTHOR) shun@iitm.ac.in
Source: International Journal of Computer Integrated Manufacturing. Oct/Nov2008, Vol. 21 Issue 7, p790-802. 13p. 9 Diagrams, 3 Charts.
Subjects: Bending (Metalwork), Sheet metal working machinery, Tools, Algorithms, Manufacturing processes, Production management (Manufacturing), Manufacturing resource planning
Abstract: Bending is one of the vital operations to obtain a three-dimensional (3D) shape in a sheet metal component. While planning for its manufacture, it is important to select proper tools, tool stages and sequence for collision-free bending at every stage. Collinear bends can be performed in a single operation. Tools and tool stages can be reused in a sequence depending on length of tool stage, intermediate shape of the component and availability of tools. When a component has many bends and different tools and tool stages are available, number of alternative bend sequences is very large. Evaluation of all such sequences to obtain a collision-free sequence is very tedious. In the present work, bending is carried out virtually for each sequence and an elitist genetic algorithm is used to determine a near optimal bend sequence for which number of tools, tool stages and handling requirements are minimal. The proposed planner for bend sequencing is developed as a part of an integrated manufacturing planning system for sheet metal components. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Computer Integrated Manufacturing is the property of Taylor & Francis Ltd 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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  Data: Planner for sheet metal components to obtain optimal bend sequence using a genetic algorithm.
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Computer+Integrated+Manufacturing%22">International Journal of Computer Integrated Manufacturing</searchLink>. Oct/Nov2008, Vol. 21 Issue 7, p790-802. 13p. 9 Diagrams, 3 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Bending+%28Metalwork%29%22">Bending (Metalwork)</searchLink><br /><searchLink fieldCode="DE" term="%22Sheet+metal+working+machinery%22">Sheet metal working machinery</searchLink><br /><searchLink fieldCode="DE" term="%22Tools%22">Tools</searchLink><br /><searchLink fieldCode="DE" term="%22Algorithms%22">Algorithms</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Production+management+%28Manufacturing%29%22">Production management (Manufacturing)</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+resource+planning%22">Manufacturing resource planning</searchLink>
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  Data: Bending is one of the vital operations to obtain a three-dimensional (3D) shape in a sheet metal component. While planning for its manufacture, it is important to select proper tools, tool stages and sequence for collision-free bending at every stage. Collinear bends can be performed in a single operation. Tools and tool stages can be reused in a sequence depending on length of tool stage, intermediate shape of the component and availability of tools. When a component has many bends and different tools and tool stages are available, number of alternative bend sequences is very large. Evaluation of all such sequences to obtain a collision-free sequence is very tedious. In the present work, bending is carried out virtually for each sequence and an elitist genetic algorithm is used to determine a near optimal bend sequence for which number of tools, tool stages and handling requirements are minimal. The proposed planner for bend sequencing is developed as a part of an integrated manufacturing planning system for sheet metal components. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Computer Integrated Manufacturing is the property of Taylor & Francis Ltd 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: 10.1080/09511920701678833
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 790
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        Type: general
      – SubjectFull: Sheet metal working machinery
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      – SubjectFull: Tools
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      – SubjectFull: Algorithms
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      – SubjectFull: Manufacturing processes
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      – SubjectFull: Production management (Manufacturing)
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      – SubjectFull: Manufacturing resource planning
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              M: 10
              Text: Oct/Nov2008
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