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Technical data are approximates and should be used as guide only. Capacity and power requirements depend on the type and characteristic of the feed material.


Grizzly feeders are used to separate raw materials into two fractions to send to the primary crusher only the largest elements and to eliminate the undersize. In quarries, this operation is to avoid sending to the crusher material which does not need to be crushed.

Machine Roll’s Grizzly feeders are heavy-duty pan feeders with Grizzly sections added to the pan surface. They perform both scalping and feeding in a single unit and are designed for impact loading and heavy burdens. When installed ahead of the primary crusher it performs coarse sizing and provides a controlled, high-capacity flow of material. It eliminates crusher overload due to material surges. It also reduces crusher wear and maximises crusher capacity by bypassing material already at or below desired size.
The vibratory shafts are machined eccentrically to produce a liner motion. The resulting turning motion of the material provides high capacity and scalping action as the material is turned to expose all sides to the grizzly openings. Machine Roll offers our heavy duty feeders in single or duel shaft designs.

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