Applications

• Widely used for the devices,like conveyor belts,etc,driven by motors or other engines,with requirements to lower the speed. 

Technical data:
1) Sizes: 025 -030-040-050-063-075-090-110-130-150 
Available versions:

NMRV - fitted for motor flanged coupling,

NRV - with input shaft,

NMRV-E motor flanged coupling with worm extension shaft,

NRV-E with double extension worm shaft,

Power up to 15 KW 

2) Speed ratio,5 7.5 10 15 20 25 30 40 50 60 80 100 for single unit of gear box

3) Input power: ranging from 0.06 to 15kW
4) Output torque ranges from 2.6 to 1,195N.

5) Ground worm shaft 20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm;

    Worm wheel:the material of the worm mandrel is HT250,and worm ring gear,ZQSn10-1