Design A Low Cost Hair Dryer Using DFMA Analysis

Koh, Sheng Yi (2017) Design A Low Cost Hair Dryer Using DFMA Analysis. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The aim of this project is to design a low cost hairdryer using Design for Manufacturing and Assembly (DFMA). DFMA is an analysis method that consists of two parts, i.e. Design for Manufacturing (DFM) and Design for Assembly (DFA). DFMA analysis is a systematic philosophy that can be applied at the early stage of design. It can helps designers to reduce the number of part count of a product. By applying DFMA in design stage, the design efficiency of a product can increase. In another words, the design of a product can be more efficient. Applying DFMA analysis in the product designing process can also reduce the total number of part count of a product. Hence, the total assembly time and the total manufacturing cost of a product can be reduced. In this project, two different brands of hairdryer Khind and Elba are selected to be analysed using DFMA. The DFA index of Khind and Elba are found to be 0.1059 and 0.1757 respectively. The product with higher DF A index is chosen for modification and improvement in order to achieve an even higher DFA index. Some improvements have been made to Elba hairdryer. For example, the fastening method of the hairdryer had changed from screw fastening to snap-fit fastening method. The design efficiency of the hairdryer increase from 0.1757 to 0.3003. The objective of the project has achieved.

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