30 Best Practices for Quality Molded Plastic Parts
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30 Best Practices for Quality Molded Plastic Parts
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A good quality molded plastic part is one that can be molded with high yield and performs flawlessly in its intended application. To this end there are certain best practices to be adhered to by the part designer as well as the toolmaker/molder.
In the preliminary stages of part design there is great advantage to leveraging the knowledge and experience of the engineering team of the toolmaker/molder who have likely “seen it all”. This is in contrast to designing in a silo and passing down design features that need costly modifications after mold trials. It is just as easy to design a part feature that will mold well, as it is to design a bad feature that will hamper molding, eg. insufficient draft angle. To do justice to a well designed part, there are also best practices for the toolmaker/molder to adhere to. Here are 30 best practices to get good quality molded plastic parts.
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.