摘要 |
A actuator assembly for a runnerless injection molding system. The actuator assembly is disposed in injection mold top clamp plate and incorporates a hollow actuator shaft whereby the valve pin passes trough the hollow actuator shaft and is firmly attached to the hollow actuator shaft providing easy access to the valve pin for maintenance. The top clamp plate incorporates openings providing access to actuator assembly. Actuator assembly incorporates a mechanism for attaching valve pin to hollow actuator shaft. The hollow actuator shaft can be activated, hydraulically, pneumatically or electrically in a linear movement providing a gate shut off valve.
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