Design analysis of a vacuum cleaner using DFMA (boothroyd-dewhurst) method

Siti Nur Humaira , Mazlan (2015) Design analysis of a vacuum cleaner using DFMA (boothroyd-dewhurst) method. Project Report. UTeM. (Submitted)

Text DESIGN ANALYSIS OF A VACUUM CLEANER USING DFMA 24pages.pdf Download (2MB)

Abstract

Design for manufacturing and assembly (DFMA) methodology are being implemented to analyze the house appliances (vacuum cleaner) in the aspects of assembly, handling and insertion, part of the assembly and manufacturing process. The problems identified for this vacuum cleaner are there are too many parts of the vacuum cleaner. Also, there are too many difficulties involved in an assembly process. The objectives of this project are to reduce part while maintaining the function of a vacuum cleaner, to increase the DFA index of the vacuum cleaner 3 in 1, to draw the new design after the analysis, to reduce manufacturing cost for the vacuum cleaner and reduce the assembly time. The study has proven to save assembly time by 282.53 s, which is 42% more efficient than the original design. Besides the total cost per product for manufacturing has saved 2.80 $. The number of parts is also reduced from 87 parts to 40. The DFA index is improved from 4.2 to 10.0 too. The study result has revealed the DFMA methodology benefits of the final product (vacuum cleaner 3 in 1).

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