Munson Machinery Co. Inc. of Utica, N.Y., reports that its new Magnum Model 72 screen classification cutter reduces infeed products spanning a wider range of sizes — at about 75 percent higher rates than the standard-size models of equivalent length.
The cutter features a rotor with an overall diameter of 18 inches vs. the standard 10.5 inch-diameter rotor, according to Munson. The rotor contains a 72-inch-long helical array of 72 interconnected “four-sided stars,” which hold 288 carbide cutter tips that continuously shear oversize materials against twin, stationary bed knives.
Because the design has no frontal gaps between the cutter tips, material is cut into uniform pieces with minimum imperfections of fines, and little to no generation of heat.
Material is fed through the top of an adjustable, double-baffled intake chute, or directly into the front of the chute through a hinged door.
Typical applications include wood, glass-fiber reinforced materials, friable plastics, gypsum and rigid foam.
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