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4. Process modeling
Please refer to
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What we can expect from modeling
It's a calender sizing tool: cylinder motor drive power, frame and cylinder rigidity. Above all, it's a tool for predicting calender defects: sheet profile, conditions for the appearance of defects, and therefore a priori calculation of working conditions to remedy them.
Modeling requires :
a good geometric description, which is quite simple in calendering compared to other polymer shaping processes (extrusion-injection). However, we'll see later that it can be useful to approximate cylinders by a parabola to obtain an analytical resolution;
a reasonable kinematic...
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The Ultimate Scientific and Technical Reference
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Process modeling
References
References
Standards and norms
- Plastiques. Détermination des propriétés en traction. Partie 3 : conditions d'essai pour films et feuilles. Indice de classement : T 51-034-3 - NF EN ISO 527-3 - 10-95
- Matières plastiques. Feuilles. Présentation et dimensions. Méthodes de contrôle. Indice de classement : T 54-101 - NF T 54-101 - 10-74
- Plastiques. Film et feuille. Détermination de la variation dimensionnelle après chauffage. Indice de classement :...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Calenders
Berstorff GmbH (Germany) http://www.berstorff.com
Comerio Ercole SpA (Italy) http://www.comercole.it
Comerio Rodolfo Sas (di Enrico e Carlo Comerio)...
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The Ultimate Scientific and Technical Reference