Integrated Analytical Hierarchy Process (AHP) And Design For Manufacture And Assembly (DFMA) In Concept Generation Of Portable Material Pouring Mechanism

• Main Author: Zainol, Syukran
• Format: Thesis
• Language: English; English
• Published: 2019
• Subjects: T Technology (General); TS Manufactures
• Online Access: http://eprints.utem.edu.my/id/eprint/24949/; https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=118033

Non-mathematical comprehensive calculation which ignores some of the critical items results mostly unrecognized or blinded by the customer and the manufacturer on decision making. In AHP, a complex decision will be devided into explicit goals, alternatives and criteria. Then the criteria will be prioritized and available alternatives evaluated in light of those criteria. For this study, the integration of AHP and DFMA proved that it capable to reduce error by giving precise selection on decision making processes towards the best conceptual design of Portable Material Pouring Mechanism. The objectives of this project are to select the most optimum concept generation by using the integrated AHP and DFMA method and to compare the performance of selected conceptual design with propose redesign portable material pouring mechanism by using DFMA method. Five conceptual designs were proposed in this study and by using AHP approach. Conceptual Design 3 (CD-3) was selected as the best conceptual design based on AHP analysis and its goal criteria via Expert Choice software. The selected conceptual design then analyzed by using DFMA software to optimize the design. The DFMA analysis proved that the design efficiency of selected conceptual design has improved by 33.6%; from 34.24 to 45.76. The total parts of new design of CD-3 is 15 which is less than the original design; 19 parts.The estimated assembly labor time has reduced from 282.59 seconds to 211.45 seconds. Finally the product costs also reduced from $196.33 to $167.42. Implementation of AHP for selecting the best conceptual design in portable material pouring mechanism was successfully performed. The findings of this study have a number of important implications for future practice. Obviously the complexity of conceptual design due to many factors involved has been reduced by integrating AHP and DFMA method. The findings of this study have a number of important implications for future practice. Integrated of AHP and DFMA proved as a powerful tool that can simplify the complex decision making process especially in early design stage. Therefore, it is important for manufacturing teams to utilize this kind of integration methods in deciding the best and most optimum conceptual design.