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Computer aided process planning for non-axisymmetric deep drawing products

Park, Dong Hwan & Yarlagadda, Prasad K. (2004) Computer aided process planning for non-axisymmetric deep drawing products. In Ghosh, S., Castro, J.C., & Lee, J.K. (Eds.) Proceedings of Numiform2004, American Institute of Physics, Columbus, Ohio, pp. 1985-1988.

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Abstract

In general, deep drawing products have various cross-section shapes such as cylindrical, rectangular and nonaxisymmetric shapes. The application of the surface area calculation to non-axisymmetric deep drawing process has not been published yet. In this research, a surface area calculation for non-axisymmetric deep drawing products with elliptical shape was constructed for a design of blank shape of deep drawing products by using an AutoLISP function of AutoCAD software. A computer-aided process planning (CAPP) system for rotationally symmetric deep drawing products has been developed. However, the application of the system to non-axisymmetric components has not been reported yet. Thus, the CAPP system for non-axisymmetric deep drawing products with elliptical shape was constructed by using process sequence design. The system developed in this work consists of four modules. The first is recognition of shape module to recognize non-axisymmetric products. The second is a three-dimensional (3-D) modeling module to calculate the surface area for non-axisymmetric products. The third is a blank design module to create an oval-shaped blank with the identical surface area. The forth is a process planning module based on the production rules that play the best important role in an expert system for manufacturing. The production rules are generated and upgraded by interviewing field engineers. Especially, the drawing coefficient, the punch and die radii for elliptical shape products are considered as main design parameters. The suitability of this system was verified by applying to a real deep drawing product. This CAPP system constructed would be very useful to reduce lead-time for manufacturing and improve an accuracy of products.

Impact and interest:

1 citations in Web of Science®
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ID Code: 6118
Item Type: Conference Paper
Keywords: Material processing design, modelling, simulation, sheet metal forming
DOI: 10.1063/1.1766825
ISBN: 0735401896
ISSN: 1551-7616
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MANUFACTURING ENGINEERING (091000) > CAD/CAM Systems (091001)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2004 American Institute of Physics
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 13 Feb 2007
Last Modified: 29 Feb 2012 23:06

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