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  • Plastics Extrusion | Plastics Technology
    Extrusion is a continuous process through which parts of a fixed cross-sectional profile are made Material is fed through a hopper into an extruder, essentially a rotating screw surrounded by a heated barrel, where it is mixed, melted and pumped through a die The die gives the part its shape Types include film extrusion, sheet extrusion, pipe, profile and tubing extrusion
  • Pipe, Profile and Tubing Extrusion | Plastics Technology
    Pipe is formed when plastics is extruded through a round shaping die, cooled in a water bath, and either cut and coiled Used in manufacture of medical tubing; PVC pipe; HDPE pipe; siding; plastic decking; plastic fencing; window lineals
  • Extrusion Conference 2025 Event Details | Plastics Technology
    Extrusion#39;s general sessions cover best practices, troubleshooting and processing solutions that can help you run your operation and maximize the utilization of your existing assetsmdash;as efficiently as possible Extrusion professionals from the shop floor to the front office are represented at the Extrusion Conference Yoursquo;ll meet the entire global supply chain: manufacturing
  • Extrusion: Start Up and Shut Down Properly | Plastics Technology
    Extrusion: Start Up and Shut Down Properly A key goal during startup and shutdown of the extruder is to prevent degradation of the polymer left in the extruder and downstream components such as screen changers, adapters, and dies
  • EXTRUSION: Melting 101 | Plastics Technology
    EXTRUSION: Melting 101 Learn the basics on how polymer melts in a single screw Barrel temperature plays less of a role than you might think
  • Troubleshooting Flow Surging in Single-Screw Extruders
    During his 39 years at Dow, he has focused on development, design and troubleshooting of polymer processes, especially in single-screw extrusion He co-authored Analyzing and Troubleshooting Single-Screw Extruders with Gregory Campbell
  • Film Extrusion | Plastics Technology
    Film extrusion is divided into two subcategories: cast film (flat film) and blown film In cast film extrusion, hot plastic is extruded through a flat, slit die onto a polished chill roll where it is quenched, pulled to a second set of rolls to cool the other side, then wound In blown film extrusion, plastic is extruded into a cylindrical die, then inflated to form a bubble, which is cooled
  • Extrusion: Head Pressure and Output Stability | Plastics Technology
    In my June and July columns, I discussed how to use drag-flow and pressure-flow equations to analyze the performance of an extruder Those same equations can be used to analyze certain output stability problems If the output has a rhythmic surge, the cause is almost always a partially filled




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