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Plasticating refers to conversion of plastic granuals to flow-able melt. It happens inside the screw barrel assembly of the injection unit in the Injection Moulding Machine.
At the tip of the screw, non-return valve is fitted. It allows the melt to flow ahead through this valve while screw is rotated.
Non return valve does not allow the melt to slip back through it to the screw channel.
To see Metering Stroke
To see Barrier Screw
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