A Comparative Study On The Design Efficiency Of Products Using DFMA Methods

Ngeow, Sook Chin (2015) A Comparative Study On The Design Efficiency Of Products Using DFMA Methods. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This Project is conducted for the comparative study on the design efficiency of products by using Design for Manufacturing and Assembly (DFMA) method. DFMA is a well-established technique in product design in terms of improving design efficiency of the product; minimize production costs, and reducing development time by breaking down product into simplest components. This study focus on the evaluation and comparison of the design efficiency of two different brands of dry iron that available in the market, by using DFMA approach followed with the suggestion in improvement can be made on the product. The detail drawing of the existing design is done by using CATIA VSR20 software and analyzed the data with DFMA method. After manual DFMA analysis, the comparison is made between two different brands of dry iron. The percentage of design efficiency of dry iron (National) is 8.82% while dry iron (BRV) is I 0.34%. As the result shows, the dry-iron (BRV) is much superior to the dry-iron (National) in tenn of its assembly operation and its design efficiency. Therefore, BRV d1y iron is proposed with the implemented modifications for an enhanced design for the purpose of DFMA. The new conceptual design of dry iron consists of I 0 different parts and total of 16 components. The DFMA analysis result shown the percentage of design efficiency of new conceptual design is 18.08%. From the overall result, the new conceptual dry iron has the higher percentage of design efficiency and lower assembly operation time compared to the existing d1y iron (BRV). This project is success to show an improvement for a dty iron and also achieve the objective and scope of the project.

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