A Methodology for Forming Group Technology Cells in Advanced Manufacturing Systems
Advanced processing technologies are being increasingly used in manufacturing system design to provide the required flexibility needed to cope with customer demand in a competitive market environment. The resulting wide and diverse processing capabilities tend to cause excessive exceptional parts when traditional group technology cell formation methods are applied. These parts require inter-cell flows or expensive investment in duplicated equipment with unacceptable utilization and cost. This paper describes a modified procedure that may eliminate these constraints. It is an interactive method which uses a computerized cluster analysis package (CLUSTAN 2.1) to form similar part families by analysing their physical and technological characteristics. Machines are then assigned to each of these groups and at subsequent stages inter-cell transfer of parts and machines is carried out until satisfactory cells are formed. Management decision options can be used in this procedure for a more general application.
KeywordsSimilarity Coefficient Flexible Manufacturing System Computer Numerical Control Machine Exceptional Element Manufacture System Design
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- Opitz H (1970) A Classification System to Describe Workpieces, Pergamon Press, Oxford.Google Scholar
- Marklew J J (1972) The cell system of manufacture — a detailed case history of an application in a small firm. Machinery and Production Engineering, 54, p 35.Google Scholar
- Astrop A W (1973) Production cells drastically reduce lead time. Machinery and Production Engineering, 11, p 470.Google Scholar
- Banerjee S K, Southern G & Gallagher C C (1973) Component statistics of a ship’s hull structure. 3rd International Conference on Product Development and Manufacturing Technology, University of Strathclyde, Glasgow.Google Scholar
- Gallagher C C, Banerjee S K & Southern G (1974) Group technology in the shipbuilding industry. International Journal of Production Research, 1, p 15.Google Scholar
- Tarsuslugil M & Bloor J (1980) The use of similarity coefficients and cluster analysis in production flow analysis. Proceedings of 20th International Machine Tool Design and Research Conference, September 1979, p 525.Google Scholar
- Wishart D (1983) CLUSTAN User Manual, (third edition), version 2.1, Program Library Unit, Edinburgh University.Google Scholar
- Maji R K (1985) PhD Thesis (in preparation), Department of Production Management and Manufacturing Technology, University of Strathclyde, Glasgow.Google Scholar