DIE-CLAMPING FORCE CONTROLLING METHOD FOR INJECTION-MOLDING MACHINE

PROBLEM TO BE SOLVED: To accurately produce a die clamping force. SOLUTION: The die clamping of a die device is performed by the die clamping force generated by an actuator, and a molded article is molded by filling a resin which is injected by an injecting device into the cavity space of the die de...

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Bibliographic Details
Main Author EMOTO ATSUSHI
Format Patent
LanguageEnglish
Published 11.10.2007
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
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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Summary:PROBLEM TO BE SOLVED: To accurately produce a die clamping force. SOLUTION: The die clamping of a die device is performed by the die clamping force generated by an actuator, and a molded article is molded by filling a resin which is injected by an injecting device into the cavity space of the die device. A movable platen 34 for attaching a movable die 16 is made to advance, a distortion amount of a distorting member which is arranged in the movable platen 34 is monitored, and the control of the actuator is performed by corresponding to the distortion amount. Since the filling state of the resin in the cavity space and the distortion amount of the distorting member can accurately be made to correspond, the die clamping force can accurately be produced. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20070179566