MOLDING METHOD FOR INJECTION MOLDING MACHINE

PROBLEM TO BE SOLVED: To secure high quality and uniformity of a molding and allow optimum molding of a low-viscosity resin which has characteristics sensitively vulnerable to effects of e.g. temperature and pressure.SOLUTION: A molding method for an injection molding machine uses a toggle-system mo...

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Hauptverfasser:	HAKODA TAKASHI, SAITO HITOSHI, KASUGA SHINICHI, MURATA HIROBUMI, KOMAMURA ISAMU
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To secure high quality and uniformity of a molding and allow optimum molding of a low-viscosity resin which has characteristics sensitively vulnerable to effects of e.g. temperature and pressure.SOLUTION: A molding method for an injection molding machine uses a toggle-system mold clamping device Mc and sets preliminarily such a molding injection pressure Pi and a molding mold clamping force Pc that a predetermined mold clearance Lm is formed between a movable mold 2m and a fixed mold 2c during injection charging by clamping in a non-lock-up state and that nondefective molding is feasible. In production, the toggle-system mold clamping device Mc is clamped in a non-lock-up state by the molding mold clamping force Pc. With the molding injection pressure Pi as the limit pressure Ps, an injection device Mi is driven to charge a resin R into a mold 2 by injection, and a molding G is taken out after a predetermined cooling time Tc.