TECHNICAL JUSTIFICATION FOR USE OF NUMERICAL OR CONVENTIONAL MACHINES BASED ON SCORING SYSTEM | ||||
| International Conference on Aerospace Sciences and Aviation Technology | ||||
| Article 19, Volume 10, 10th International Conference On Aerospace Sciences & Aviation Technology, May 2003, Page 279-293 PDF (2.65 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/asat.2013.24427 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| M. A. EL-HAKEvf; R. M. TAHER; M A EL-TAWAB | ||||
| Assosiate Professor,Dep.of Industrial Management and Engineering, Arab Academy for Science and Technolog, Alexandria, Egypt. | ||||
| Abstract | ||||
| The choice between numerical (CNC) and conventional machines may be in many cases a hard task. In the present work a practical method is introduced to choose either CNC or conventional machines based on a scoring system that evaluates the technical aspects in each case. The system considers 15 factors that affect the decision-making and for each factor it is assigned a weighing value. These factors are grouped into 3 blocks describing the nature of the product, the nature of production and the existing facilities in the working place. Based on the final total score, a selection decision can be made. A case study is presented where the scoring system has been employed applied to it. | ||||
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