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Accumulator
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Definition: (1) In blow molding, an auxiliary ram extruder used to provide fast parison delivery. The accumulator cylinder is filled with plasticated melt from the main extruder between parison deliveries or "shots," and stores this melt until the plunger is required to deliver the next parison. (2) A device for conserving energy in hydraulic systems of molding equipment.
Definition Copyright ©1989 CRC Press LLC. All rights reserved.

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