TECHNICAL JUSTIFICATION FOR USE OF NUMERICAL OR CONVENTIONAL MACHINES BASED ON SCORING SYSTEM

Document Type : Original Article

Authors

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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