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Volume & Issue no: Volume 4, Issue 1, January - February 2015

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Title:
COMPUTER-AIDED NESTING OF TWO DIMENSIONAL SHAPED FOR PRESS TOOL DESIGN
Author Name:
Mohammed Wasel Al-Hazmi
Abstract:
ABSTRACT This paper reports on the design of a Computer-aided Sheet Nesting System (CASNS) for the nesting of two different or two similar shaped sheet-metal blanks on a given or coil stock. The proposed system extracts the required shape geometrical information directly from CAD data base. Initially, the two shapes are overlapped and the different positions can be obtained by fixing the first shape and moving the second in steps in X-direction until no overlapping occurs . After that, the movable shape is moved by a step in Y-direction and repeated the motion in X-direction. Trials after, rotating the movable shape taking grain orientation constrains into a consideration. In each case the system determines the material utilization by calculating the minimum circumscribing rectangular area which contains the two shapes. The developed system has been written in ‘Visual C’ on an IBM-Compatible Personal Computer. The optimal nesting is calculated from overall trials. The system is applied on different shapes and proved to give a reduced computation time for arriving to the optimal position with higher utilization ratio and minimization of scrap. Keywords: Nesting, Edge detection, sheet metal stamping, CASNS, Data Exchange Format
Cite this article:
Mohammed Wasel Al-Hazmi , " COMPUTER-AIDED NESTING OF TWO DIMENSIONAL SHAPED FOR PRESS TOOL DESIGN" , International Journal of Emerging Trends & Technology in Computer Science (IJETTCS) , Volume 4, Issue 1, January - February 2015 , pp. 099-103 , ISSN 2278-6856.
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International Journal of Emerging Trends & Technology in Computer Science (IJETTCS)
ISSN 2278-6856
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