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Co-Rotating Twin-Screw Extruder

of: Klemens Kohlgrüber

Carl Hanser Fachbuchverlag, 2012

ISBN: 9783446433410 , 368 Pages

Format: PDF, Read online

Copy protection: DRM

Windows PC,Mac OSX,Windows PC,Mac OSX Apple iPad, Android Tablet PC's Read Online for: Windows PC,Mac OSX,Linux

Price: 149,99 EUR

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Co-Rotating Twin-Screw Extruder


Co-rotating screws and/or extruders are used in many branches of industry for producing, preparing and/or processing highly viscous materials. They find a wide variety of applications especially in the plastics, rubber and food industries.
Co-rotating twin-screw machines usually have modular configurations and are thus quite flexible for adapting to changing tasks and material properties. Well-founded knowledge of machines, processes and material behavior are required in order to design twin-screw extruder for economically successful operations.
This book provides basic engineering knowledge regarding twin-screw machines; it lists the most important machine-technical requirements and provides examples based on actual practice. Better understanding of the processes is emphasized as this is a prerequisite for optimizing twin-screw designs and operating them efficiently. Besides basic functions, such as compounding, the book focuses on:
- the historical development of twin-screws
-the geometry of the screw elements (fundamentals, basic patents, patents overview)
-material properties and material behavior in the machine
-fundamentals of feed behavior, pressure build-up and power input
-examples of applications for various processing tasks
-compounding: tasks, applications, processing zones
-potential and limits of modeling
-scaling-up various processes
-machine design incl. drives and materials