FIELD: machine building.
SUBSTANCE: invention relates to process equipment and is intended for sorting of pyroxilinic thin-water tubular powder by size (length calibration). Proposed machine comprises frame, loading chute, fraction discharge trays and engine. According to the invention, the machine contains drums for movement of the powder tube from the loading tray to the sorting unit, which includes limiting disks and discs with pneumatic pistons connected to the air supply unit for the powder tubes sorting by the specified size, spoilers for uniform supply of powder tubes from loading trays to drums, collectors and a reducer. Besides, drums comprise transporting grooves.
EFFECT: enabling sorting (size calibration) of pyroxilinic thin-water tubular powders.
1 cl, 3 dwg
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