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Double Reduction Worm Gearbox
XLT Double Reduction Worm Gear Units are constructed using two single reduction worm gear units. The primary worm gear unit is specially designed to mount integrally on a standard single worm gear unit which forms the secondary stage. The complete gear unit becomes compact and rigid in...
XLT Double Reduction Worm Gear Units are constructed using two single reduction worm gear units. The primary worm gear unit is specially designed to mount integrally on a standard single worm gear unit which forms the secondary stage. The complete gear unit becomes compact and rigid in arrangement for slow moving machinery. A wide range of ratio from 75:1 to 4900:1 is available. These gear units are particularly suitable for high torque slow-speed drives. Worm gearing conforms to BS-721.
The exclusive use of the involute helicoid thread form on the worm and gear provides for high efficiencies and long service life. The hardened, ground and polished alloy steel worm develops a smooth, work hardened surface on the bronze gear. For this reason, the worm gears wear in and improve with prolonged service while other gears are wearing out.
UnderdrivenSNU-UD / SFUD
OverdrivenSNU-OD / SFOD
Verticle output shaftSNU-VD / SFVD ( UP/down )
Hollow output shaftSNU-SMD /SSMD
Sizes1¾/30, 2¼ /40, 2¼ /50, 3/60, 3/70, 4/80, 4/90, 5/105 , 5/120 , 6/140 , 7/170
RatioMin. 75 : 1 to Max 4900 : 1
Power Capacity50 kW