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Shredders use low speed, high torque hook shear blades manufactured of high alloy heat treated material mounted on hexagonal shafts. The number of hooks, reach of hooks, and blade thickness are determined by the material being reduced. Counter rotating shafts turn at slightly different speeds increasing the efficiency of the cutting action. Overloads caused by foreign material stop the forward motion of the motor, reverse to clear the foreign matter, and then forward motion is resumed. Shock loads are negated by a patented ''shock absorber'' drive train. Mark-Costello offers shredders with cutting chambers ranging in size from 17" x 14" to 60" x 28" with motors from 10 HP to 450 HP.
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Combination Systems This combination of reduction equipment is composed of a low speed, mid-size shredder, and a high speed knife hog. The shredder reduces rubber scrap into uniform strips and the hog reduces it to a crumb or powder. |
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Sometimes the amount and characteristics of materials require a unique system. Systems can be composed of a mid-size shredder, starting the reduction process by reducing the material into uniform strips. The conveyor carries the material to the knife hog, reducing the material to crumb or powder with the appropriate screen size.
Steel turnings