Design and Analysis of Polypropylene Rope Extrusion Line: Thermal, Rheological, and Mechanical Perspectives
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The growing demand for lightweight, durable, and cost-effective polymer-based ropes has led to significant advancements in polypropylene (PP) extrusion technologies. This paper presents a comprehensive design and analytical evaluation of a PP rope extrusion line with a production capacity of 65 kg/h. The analysis integrates theoretical principles of polymer processing, heat transfer, rheology, and mechanical drawing behavior. A detailed thermomechanical model is developed to optimize die design, flow rate, and heating requirements for achieving uniform fiber diameter (0.27 mm). Furthermore, this study reviews and synthesizes two decades of research on polymer extrusion and fiber spinning, highlighting the latest approaches in melt flow dynamics, die swell control, and mechanical drawing mechanisms. The results emphasize the importance of accurate thermal control and rheological modeling in enhancing the tensile and dimensional properties of PP ropes.
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