High speed rotation of the inner disc creates centrifugal force that accelerates bulk material entering the central inlet of the opposing stationary disc. As material travels from the center to the periphery of the discs at high speed, it passes through a "treacherous path" of five intermeshing rows of rotating and stationary pins, with the desired tight particle size distribution obtained by controlling the rotor speed. Also called a "Pin Mill," the unit is said to handle wet or dry materials, to produce tight particle size distribution at any given rotor speed setting, and to sanitize rapidly.

According to the manufacturer, the unit provides high throughput rates per horsepower relative to machines employing screens, hammers, knives or rolls, depending on application. Other size reduction equipment offered by the company includes screen classifying cutters, rotary de-clumpers, attrition mills, hammer mills and shredders. Blending equipment also produced by the company includes ribbon, paddle and plow blenders, rotary batch mixers, rotary continuous mixers, high intensity blenders and Forberg mixers.

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