An innovative ring gear and roller pinion combine for accurate positioning. Bearing-supported rollers move smoothly along each tooth face, reducing noise by eliminating tooth slap. Accurate positioning at speeds to 11 m/sec is maintained. For designs under a meter, a solid ring gear is available; larger ring-gear segments can be combined for ring gears of any size.

Nexen Group Inc., 560 Oak Grove Pkwy., Vadnais Heights, MN 55127, (800) 843-7445, nexengroup.com

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