METHOD FOR REGULATING THE CONTRACTION OF MOLDED PARTS

A method for regulating the contraction of molded parts in a cavity in a mold of an injection molding machine after completing the filling process of the cavity with molten mass. According to the method, the temperature of the mold is regulated, whereby the temperature and/or the internal pressure i...

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Bibliographische Detailangaben
1. Verfasser:	JUERGEN FREY
Format:	Patent
Sprache:	eng ; por
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method for regulating the contraction of molded parts in a cavity in a mold of an injection molding machine after completing the filling process of the cavity with molten mass. According to the method, the temperature of the mold is regulated, whereby the temperature and/or the internal pressure in the cavity is monitored and adapted to a reference curve by performing temperature equalization of the mold from the end of the filling phase or from a maximum pressure in the cavity until the end of the injection cycle.