Abstract
AbstractThis work experimentally investigates the use of induction‐heating to heat mold surfaces rapidly, and thus enhance the replication effect of the microstructure of light‐guided plates (LGP) in the injection molding process. This investigation employs a 2‐inch LGP injection mold as the experimental carrier, and compares the replication effect on the microstructure of induction heating with that of conventional oil‐heating. Temperature increases on the mold plate are examined using a thermal video system. The experimental results show that (1) the flat induction coil design promotes rapid surface heating. (2) Induction‐heating the mold surface to 110°C improves the replication rate of the height of the micro‐structure by up to 95%. (3) The LGP produced by induction heating has no significant residual stress. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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