Technical debion helical gear units are part of the which essentially comprises bevel helical, parallel shaft, worm gear units or mechanically variable speed drives. With three or single phase AC motors with or without brake, all imaginable drive combinations up to electronic speed variable drives are possible*. MOTOX helical gear units are designed for continuous duty under the most arduous operating conditions. The sturdy gear housings are manufactured of high grade cast-iron and dampen vibrations. Lubricant loss and entry of dust and water are effectively prevented by radial shaft seals with dust and protective lips. All gears are hobbed, case hardened and profile ground or honed. Furthermore, gear theeth are profile corrected and crowned for optimum perbance.