Tramec Riduttori

Double output worm gearboxes

Series VM


Double output worm gearboxes series includes gearboxes specially manufactured to comply with specific requirements. The kinematic motion is carried out by means of a worm shaft and two worm wheels to have two output shafts with a synchronous rotation. These gearboxes can be assembled to electric motors or moto variators fully comply with the IEC specifications. These worm gearboxes are available in 4 sizes


• Power up to 4 kW
• Reduction range 7.5 to 80

• Casing and flanges are made from aluminium and painted BLUE RAL 5010.

• Worm screw is made from alloy steel. Hardened and case‐hardened then finished by grinding.

• Worm wheel is in bronze toothed band. Inserted by casting on cast‐iron hub.

• Taper roller bearings are mounted on the screw and on the two outputs.

• Double output worm gearboxes are normally supplied without lubricant. However, they can be supplied with synthetic lubricant on request.

• Spare parts list is available on the technical catalogue WORM GEARBOXES, with brown cover.

Double output worm gearboxes

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