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外文资料--WARPAGEANDSTRUCTURALANALYSISOFTHINSHELLPLASTICINTHEPLASTICINJECTIONMOLDING.pdf
Materials and Design 30 (2009) 367–375
Contents lists available at ScienceDirect
Materials and Design
journal homepage: www.else /locate/matdes
Warpage and structural analysis of thin shell plastic in the
plastic injection molding
Babur Ozcelik *, Ibrahim Sonat
Gebze Institute of Technology, Department of Design and Manufacturing Engineering, 41400 Gebze-Kocaeli, Turkey
a r t i c l e i n f o a b s t r a c t
Article history: In this study, the cell thin shell phone cover produced with polycarbonate/acrylonitrile butadiene styrene
Received 11 July 2007 (PC/ABS) thermoplastic were decided as a model. First, the effects of the injection parameters on warpage
Accepted 22 April 2008 for different thickness values were examined using Taguchi method. The warpage values were found by
Available online 1 May 2008
analyses which were done by moldflow plastic insight (MPI) 4.0 software. The most influential parameter
on the warpage of PC/ABS material was found as packing pressure. Second, to determine the forces that
Keywords: cause the plastic part to fail at the points determined over the top surface of the cell phone cover, CATIA
Plastic injection molding
V5R12 (general structural analysis) was used. The structural analysis of ABS, PC, reinforced ABS, rein-
Thin shell part
forced PC/ABS thermoplastic materials in add
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