Design of Tools and Plastic Parts

• general knowledge of the properties of polymeric materials in relation to typical engineering (automotive) applications.
• general knowledge associated with polymer transformation processes
• understanding of the interactions between polymer material and processing
• mastery of a methodology for the design of plastic parts and associated processing tools, including process optimization and economic analysis

CONTENT

1. Introduction ang global design approach (0.5 h)
2. General overview of polymeric materials (4 h)
   Definitions, historical overview, chemistry basics, microstructure, blends, additives
3. Main plastic families and thermomechanical properties (4.5h)
   Thermoplastics, thermosets, elastomeric materials, major applications, thermomechanical properties and characterisation, industrial material datasheets
4. Automotive applications (6h)
   Majors fields of application, specific problems and associate materials, examples of part design and comparison with other materials
5. Main manufacturing processes (7h)
   Classification, extrusion, injection, thermoforming, SMC process, basics for process choice and cost estimation
6. Rheological and thermal aspects (7 h)
   Introduction, rheological properties, models, characterisation, processing point of view
7. Specific case of injection moulding process (10 h)
   Description, specific problems, part design methodology and process optimization, moulds design and manufacturing, study of specific parts design, case of elastomeric and thermosets materials injection
8. Rheology of elastomeric materials (3h)
   Description of the behaviour, basic rules for part design, models and charcaterisation

Study materials

Lecturing material and hand-outs

« Précis des matières plastiques (structure-propriétés, mise en oeuvre, normalisation) »
J.P. Trotignon, J. Verdu, A. Dobraczynski, M. Piperaud

« La mise en forme des matières plastiques »
J.F. Agassant, P. Avenas, J-P. Sergent, B. Vergnes, M. Vincent

Texts of lectures at Moodle server.