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Title: | Influence of wall shape and technological conditions on warpage during injection process | ||||||||||
Author: | Halaška, Petr; Maňas, Miroslav | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Chemické listy. 2005, vol. 99, issue 1, p. 16 | ||||||||||
ISSN: | 1213-7103 (Sherpa/RoMEO, JCR) | ||||||||||
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Abstract: | Warpage is primary caused by residual stresses generated during the injection cycle. We distinguish two kinds of residual stresses. Injection inducted residual stress generated during the filling and packing stage and thermal inducted residual stress rising during the packing and cooling stage. There was solved the warpage and air trap (air closing in the part) of the automotive engine cylinder head cover injected from PA 66 filled with glass fibers. The deflection was reduced by part wall shape optimization and the air trap as well. | ||||||||||
Full text: | http://www.chemicke-listy.cz/common/articles.html | ||||||||||
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