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ELECON 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.
Underdriven SNU-UD / SFUD
Overdriven SNU-OD / SFOD
Vertical output shaft SNU-VD / SFVD ( UP/down )
Hollow output shaft SNU-SMD /SSMD
Sizes 1¾/30, 2¼ /40, 2¼ /50, 3/60, 3/70, 4/80,
4/90, 5/105 , 5/120 , 6/140 , 7/170
Ratio Min. 75 : 1 to Max 4900 : 1
Power Capacity 50 kW