2. Controlling heat transfer: optimizing part dimensions

2.1 Positioning of cooling circuits

The aim of thermal control of injection molding equipment is threefold:

Maintain wall temperature at the level required by part quality while keeping cycle times economically efficient;
ensure that the temperature is as uniform as possible over the entire surface of the part during the moulding cycle;
quickly stabilize the average temperature of the tool surface at the desired level and avoid any drift over time.

To meet all these requirements, it is recommended (wherever possible) to comply with the following rules (notations on figure

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Controlling heat transfer: optimizing part dimensions

AGASSANT (J.-F.), VINCENT (M.) - Modélisation de l'injection – Remplissage des moules. - [AM 3 695]...

(1) - DETERRE (R.), SARDA (A.), MOUSSEAU (P.) - Injection des polymères. Optimisation. Simulation. Conception. - Éditions Lavoisier Tec. & Doc., nov. 2003.
(2) - DELAUNAY (D.) - Transferts thermiques lors de l'injection de polymères. -...