Importance

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Abstract

A method for making granules from a melt material extruded by being pressed through nozzle openings of a perforated plate in a cutting chamber. In this process, the melt material emerging from the nozzle openings of the perforated plate is cut into molten granules in the cutting chamber by at least one rotating cutting knife that sweeps across the nozzle openings. A first coolant flow of a first coolant medium is delivered through a first coolant inlet to at least one first coolant port, with which the melt material is cooled when emerging and being cut at the perforated plate. Furthermore, a second coolant flow of a second coolant medium different from the first is delivered through a second coolant inlet to at least one second coolant port downstream of the perforated plate, with which the granules are additionally cooled and conveyed to an outlet of the cutting chamber.

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First Claim