Printing Be the Demise of Plastic Injection

David Kazmer, Professor of Plastics Engineering at the University of Massachusetts Lowell, said in a published paper that 3D printing currently makes sense for the most rapid "procurement time to quantity" for a small quantity of 50 or fewer units. So for production runs, injection molding is still the best manufacturing method, especially considering the long production time involved for 3D printing compared to injection molding. There is an emerging "hybrid" practice of 3D printing the mold tooling inserts only, then producing the parts with injection molding. For certain limited applications, 3D printed inserts can be employed as a test mold for product development and very limited quantities. A 3D printed mold may last for typically just 60 to 180 pieces. ocou6zJ3
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