The unique design of these grinders provides a rotating disc with four adjustable knife bars for grinding knife bevels from 25 to 40 . They are also equipped with inside bars for grinding planer knives on a fixed 30 bevel. The disc, mounted horizontally, carries the knives across the face of the grinding wheel. The wheel grinds continuously and is fed into the knives as the disc rotates in one direction.
Various knife stacking features are available.
A totally enclosed fan cooled motor with special Duplex bearings drives the grinding wheel which is mounted directly on the motor arbor. The grinding wheel motor unit is mounted on a dovetail slide and is fed into the knives by ratchet feed actuated by a cam. Spark-out for feed is furnished. These grinders have a built-in coolant system with the base of the machine acting as a reservoir. A coolant pump is provided.