Gate cutting of injection molding machine and protrusion control unit and actuator control unit

摘要

PURPOSE: To perform the cutting of a gate and the ejection of a molded product by a hydraulic ejector even when an injection molding machine is not remodeled to a large extent. ;CONSTITUTION: A gate cutting and ejection control device 48 is provided to an injection molding machine 49 constituted so that one or more ejector pin is operated by the hydraulic ejector cylinder 16 provided to the injection molding machine not only to cut a gate in a mold but also to eject a molded product from the mold. This control device is provided separately from an oil pressure, electric control device controlling the driving of the hydraulic ejector cylinder in the injection molding machine 49.;COPYRIGHT: (C)1995,JPO