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2006 | Vol. 18, nr 1-2 | 31--36
Tytuł artykułu

An approach towards fully integration of CAD and CAM technologies

Autorzy
Wybrane pełne teksty z tego czasopisma
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Purpose: An integrated CAD/CAM system for milling operations has been developed which helps designers to solve machining problems at the design stage. Design/methodology/approach: A methodology has been employed which provides all necessary information for machining products automatically. Use of these system results in reduced machining leadtimes and cost through designing machinable components; using available cutting tools; improving machining efficiency. The system is menu driven with a user friendly interface. Findings: Different components for developing such a system have been identified and various problems that arose in the development of this system have been dealt with The system developed leads to an adequate basis for fully integration of CAD and CAM technologies in one system. It allows simultaneous generation of all information required to satisfy machining requirements of the design such as its machinability and availability of the required tooling resources. Research limitations/implications: Different components required for developing such systems have been identified and various problems that arose in the development of these systems have been dealt with, leading to an adequate basis for complete integration of CAD and CAM technologies. Although much of the work described here goes beyond the scope of published literature, however, it should be noted that the system developed couldn’t be considered as a complete solution to the CAD/CAM integration problem. Further work requires including other manufacturing activities that are considered in concurrent engineering concept. In this direction, further integration of the system developed with systems such as MRP, MRP II and assembly sequence planning packages are highly desirable. Originality/value: CAD/CAM integration is regarded as a solution for bridging the gap between design and manufacturing, one of the ultimate goals for concurrent engineering. Since the advent of CAD and CAM numerous attempts have been made to integrate these technologies; however, a full CAD/CAM integration is not yet achieved. In addition, most of the systems developed focus only on turning, leaving room for further investigation on other machining operations including milling. This paper goes one step closer towards achieving a full CAD/CAM integration for milling operations.
Wydawca

Rocznik
Strony
31--36
Opis fizyczny
Bibliogr. 21 poz., rys.
Twórcy
  • School of Mechanical Engineering, Shahid Rajaee University, Tehran, Iran, mtrad@srttu.edu
Bibliografia
  • [1] M. Kalta, B.J. Davies: “IGES pre-processor to integrate CAD and CAPP for turned components”, International Journal of Advanced Manufacturing Technology, Vol. 9, No. 5, pp 291-304, 1994.
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  • [3] S. W. Lye, S. H. Yeo: “Development of an integrated CAD/CAPP/CAM system for turning operations”, Journal of Materials Processing Technology, Vol. 29, Nos. 1-3, pp 103-117, 1992.
  • [4] G. Thakar, K. Shanker, V.K. Jain: “An integrated process planning and NC part programming system for rotational components”, Computers in Industry, Vol. 21, pp 341-357, 1993.
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  • [6] J.H. Vandenbrande, A.A.G. Requicha: “Spatial reasoning for the automatic recognition of machionable features in solid models”, IEEE Pattern analysis and machine intelligence, 15 (12), 1269-1285, 1993.
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  • [9] R. B. Karadkar, S. S. Pande: “Feature based automatic CNC code generation for prismatic parts", Computers in Industry, 28 (2) 137-150, 1996.
  • [10] Liu X “A component framework for feature-based design and process planning”, Computer Aided Design, CFACA 32 (7), 397-408, 2000.
  • [11] P.G. Maropoulos, R.P. Paker, K.Y.G Paramor: “Integration of tool selection with design; Part 1: Featurte creation and selection of operations and tools”, Journal of materials processing technology, 107 (13), 127-134, 2000.
  • [12] L. Patil, S.S. Pande: “An intelligent feature process planning system for prismatic parts”, International Journal of Production Research, 40 (17), 4431-4447, 2002.
  • [13] W. Eversheim, H. Rozenfled, W. Botchler, R. Graessler: “A methodology for an integrated design and process planning based on a concurrent engineering reference model”, Annals of the CIRP, Vol. 44, No. 1, pp 403-406, 1995.
  • [14] J. Huang, T. Wang, L. Wan, X. Zhang, J. Zhou: “Step-based CAD/CAPP/CAM integrated systems: CADMIS, Engineering Data Management: Integrating the Engineering Enterprise”, ASME Database Symposium, ASME, New York, NY, USA, pp 155-161, 1994.
  • [15] J. Opas, M. Mantyla: “Techniques for automatic part program generation”, Advances in Engineering Software, Vol. 20, Nos. 2 & 3, pp 141-155, 1994.
  • [16] R.M. Schulte, S. Padmanabhan: “Feature driven, process-based approach to the integration of CAD/CAM in wireframe models”, Int. J. Prod. Res., Vol. 30, No. 5, pp 1005-1028, 1992.
  • [17] X. Yang, J. Doong, Z. He: “Role and applications of step in CAD/CAPP/CAM integration”, Proceedings of the 1993 IEEE Region 10 Conference on Computer, Communication, Control and Power Engineering, Part 2, pp 746-749, 1993.
  • [18] S.D. Jackson, R.O. Mittal: “Automatic generation of 2-axis laser-cutter NC machine program and path planning from CAD”, Computers in Industry, Vol. 21, pp 223-231, 1998.
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  • [21] M. Tolouei-Rad “An efficient algorithm for automatic machining sequence planning in milling operations”, Int. J. of Prod. Res., in publication.
Typ dokumentu
Bibliografia
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