| Summary: | 碩士 === 大華技術學院 === 機電研究所 === 99 === In this study, the plastic rib shell plate with different shapes, and change the length of the rib and the vertical, parallel to the location of the gate is not added to the vertical ribs and cross ribs parallel to the ribs into a model of staggered, Drawn using Pro-e 3.0 3D model, Rhino 4.0 software for solid mesh create, Moldex3D/Solid CAE mold flow analysis software for injection molding simulation and Minitab 15 software to optimization of Taguchi experiment, comparative analysis of the plastic shell
observed by adding ribs on the plate warpage effects.
The simulation results show that a single point of a rib of the draft to change the size of the warping is not. Adding a parallel to the direction of the gate and joined the two wedge-shaped vertical ribs minimum warpage. In addition to the warping deformation direction of the location and number of ribs added, there is melting and the cooling pipe routings and gate location and other factors. Injection Molding Parameters for optimal warp factor of the amount of control the size of the order of Fill pressure> Melt temperature> Mold temperature>Packing pressure.
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