EXTRUSÃO DE TERMOPLÁSTICO: estudo do comportamento do polipropileno, como um fluído, no processo de extrusão com extrusoras mono-rosca tipo barreira

Abstract

The present work reports the behavior of PP (polypropylene) in the mono screw extruder, with barrier type thread, in the extrusion process. As it allows parts with varied section geometry and unlimited length, and can serve several applications, the automotive industry explores this manufacturing process in order to meet all the specifications determined by the automakers. Most automotive profile projects have been developed using PP (polypropylene), and for this reason it is of fundamental importance to know the behavior of the raw material used combined with the use of correct equipment, aiming with this knowledge, to meet the most varied geometries of each profile, and mainly of the amount of material used The present work is concluded with the comparative flow study between two extruders with different thread diameters.