Manifold system having flow control using pressure transducers

Abstract

An injection molding apparatus is provided in which the rate of material flow during the injection cycle is controlled. According to one preferred embodiment, an injection molding apparatus includes a manifold having an inlet for receiving material injected from an injection molding machine, a plurality of injection nozzles coupled to the manifold for distributing the material to a corresponding plurality of gates to one or more mold cavities, and a plurality of sensors respectively associated with each of said plurality of nozzles, each sensor to sense a condition related to the rate of material flow at a location between said inlet and said plurality of gates.

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