Rotating mold core improves quality.
By rotating the core during injection, the polymer chains are arranged around the circumference of a cylindrical or conical part rather than along the flow path of the injected plastic. Reinforcing fibers in the melt are also arranged in this direction, which increases the part's ability to withstand internal pressure. Rotating the core helps decrease knit lines by distributing them around the entire circumference of the part. Parts are also said to show improved dimensional stability over a wide range of temperature and humidity. Solvay is building a developmental tool to evaluate additional benefits, such as controlling initial dimensions and improving surface finish. Tel: (248) 645-1012 * PTDirect-362NP
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|Title Annotation:||Injection Molding|
|Date:||Jan 1, 2005|
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