3. Extrusion

3.1 Extruders

The extruder consists of (figure 2 ):

of a screw, made up of different sections;
a geared motor unit driving the screw ;
a sleeve or cylinder around the screw ;
a heating and temperature control system (heating collars) distributed along the length of the sheath;
fans for cooling the sheath;
probes that measure sheath temperature and enable closed-loop control of...

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Extrusion

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Parison forming

Bibliography

(1) - WOITE (B.) - Plastic fuel tanks, a solution for the future? - VDI – Verlag GmbH, Pastics in Automotive Engineering – Applications and recycling. Düsseldorf (1991), p. 227-267.
(2) - RAUWENDAAL (C.) - Polymer extrusion - Hanser Verlag,...

Software tools

FLUENT ANSYS http://www.ansys.com

BlowView https://extranet.imi.nrs.ca/english/Blowview

Events

International Trade Fair for Plastics and Rubber -- K Trade Fair, Düsseldorf, Germany http://www.k-online.de

Standards and norms

Determining the melt flow rate of thermoplastics, by mass (MFR) and by volume (MVR) – Part 1: Normal method. - ISO 1133 - 2011
Methods for determining the density of non-cellular plastics – Part 1: Immersion method, liquid pycnometer method and titration method. - ISO 1183 - 2004
Determining tensile properties – Part 1: General principles. Part 2: Test conditions for plastics for molding and extrusion....

Regulations

EURO5/6

Regulation (EC) N° 715/2007 of the European Parliament and of the Council of 20 June 2007 on type approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information. Official Journal of the European Union, L171/1 (29.6.2007)

Commission regulation (EC) N° 692/2008...