Basic Technology and Troubleshooting of Plastic Extrusion Molding
3. Troubles and Countermeasures in Extrusion Processing (1) Troubles and Countermeasures in Plastics and TPE Pulsation, surface roughness, die swell, bleed, bloom, plate-out, eye crust, melt fracture, gelation, fish eye, spider marks, crow's feet, etc. (2) Troubles and Countermeasures in Rubber 4. Key Points of High-Speed, High-Efficiency Extrusion Technology (1) Extrusion Materials PE, PP, PVC, TPE, synthetic rubber, etc. (2) Extrusion Equipment Extruder, screw structure, feed, die, etc. (3) Processing Technology Material viscosity evaluation, screw temperature control, online measurement technology, etc. 5. Recent Extruders and Processing Technologies Seen in Patents
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Nishizawa Technical Research Institute, Representative, Mr. Hitoshi Nishizawa [Related Activities] Chairman of the Flame Retardant Materials Research Association, Secretary of the Technical Committee of the Japan Rubber Association JICA Technical Expert, Visiting Researcher at Shibaura Institute of Technology Target: Engineers and personnel related to polymer materials and processing
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1. Basics of Extrusion Processing Equipment and Recent Advances Overview of the basic structure and role of extrusion machines, and recent advancements Feed, screw, breaker plate, head, die, nipple Relationship between the design of various parts of the extruder and processability 2. Extrusion Processing Technology (1) Fluidity and processability indicators of rubber and plastics (2) Curing behavior of rubber and processability indicators (3) Design of screw structures and processability (4) Extrusion processability and processing conditions of representative rubber, plastics, and TPE (5) Processability of functional compounds (e.g., flame-retardant materials, conductive materials) (6) Extrusion technology in continuous curing and crosslinking
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