The rotational molding technology is inherently disadvantaged by very lengthy and energy-intensive processing cycles, which are even further aggravated when processing integral-skin plastic foams. To address these drawbacks, extrusion-assisted rotational foam molding has been recently developed. It is an innovative patent-pending rotational foam molding method for manufacturing high-quality integral-skin cellular composites while achieving substantially improved fabrication economy and efficiency. This paper focuses on the design of an experimental setup for extrusion-assisted rotational foam molding intended to facilitate the understanding of the feasibility of this novel method for producing lightweight integral-skin foamed plastic parts through experimental work.
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