Design for Manufacturing & Assembly (DFMA) for Molded Plastic Parts
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Design for Manufacturing & Assembly (DFMA) for Molded Plastic Parts
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DFMA = DFM + DFA, respectively Design for Manufacturing, and Design for Assembly. DFM looks at the cost for manufacturing plastic parts individually. DFA looks at the cost of assembling those parts together to make the finished product. Together DFMA is the philosophy of making the parts and products to be lean from the very beginning. This avoids expensive engineering changes later. It also makes for a lower cost, better reliability, and better-quality product. DFMA pulls in the participation of all the relevant departments (internal and external) at the design stage, where 70 to 80% of a product’s total cost is established. The material to be used, the type of manufacturing process, the assembly processes are all defined at the design stage. Without DFMA bad design decisions may be carried over into the mass production stage where costs and risks to start over are very high. This webinar will examine the application of DFMA philosophy to molded plastic parts – how to produce the molded parts productively, and how plastic parts can incorporate many features that ease assembly into the finished product.
Mr. Alex Lau holds a B.Sc. in Mechanical Engineering from University of Manchester, and has worked in the R&D’s of several prominent global MNC’s (Novatel Calgary, NORTEL Calgary, Motorola Penang, Agilent Penang, and Seagate Seremban). He has >30 years experience, specializing in the design and development of parts/products that are toolable and manufacturable, and that function flawlessly in their intended applications. His CAE simulations (FEA, Moldflow, CFD) in product development have consistently predicted accurate results that correlate very well with the actual applications. Mr. Lau applies his knowledge in engineering fundamentals, design guidelines, and CAE simulation to achieve ‘Do It Right the First Time’. This had resulted in projects staying on schedule, on-cost, and on-quality virtually every time. He has trained engineers in many MNC’s, SME’s, and Skills Development Centres, over the years. Mr. Lau is a certified PSBM (HRDF) trainer, as well as a holder in Certified Advanced and Expert Scientific Injection Molding. He also holds US Patent 6853492 Conductive Lens.