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Worm Gearbox

NMRV Worm Gear Reducer

NMRV worm gear reducer can be abbreviated as Aluminum alloy reducer. Its appearance is a "square box" structure with advanced technology. The box body is formed by high quality aluminum alloy die casting. It has the advantages of strong strength, light weight, exquisite appearance, high heat dissipation performance, environmental protection and long service life. It is the best choice for modern transmission device to realize single-machine transmission and Mechatronics in production line.
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NMRV Series Worm Gear Reducer

1. Product description

SR NMRV series worm gear reducer is made by Starred-River with European technology.Its structure,outline ans installation dimensions as well as performance are same with that of European products,which they are interchangeable,and the material and machining process are advanced internationally. 

 Technical Parameters:

 Power: 0.12 kw-7.5 kw

 Angular moment: 2.6M2 N.m-1070M2 N.m

 Transmission rate: 7.5-100


NMRV Worm Gear Reducer is mainly composed of worm wheel, worm wheel box, ball bearing, input shaft and output shaft, motor continuous disc, worm, output shaft cover, end cover, etc. Other small accessories include oil seal, oil bolt, buckle ring, sealed oil seal, O-ring, hexagonal socket head screw, double round key, kraft paper gasket, etc.

3.Material description

-Housing: Aluminum alloy (base: 025-090), cast iron (110-150);

-Worm: 20CrMnTi/40Cr, carbonitriding treatment (grinding to maintain the hardness HRC60, hard layer thickness > 0.5mm);

-Worm wheel: special wear-resistant aluminum bronze.

-Painting: Aluminum alloy (base: 025-090)

4.Gear Ratio and Center Distance

-Standard gear ratio: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 80, 100.

-Center distance values: 25, 30, 40, 50, 63, 75, 90, 110, 130, 150.



5. Characteristics

 1).Low noise and temperature rise.

 2).High bearing capability,smooth running and long service life.

 3).Compact structure,small volume,light weight,beautiful shape and easy to install.

 4).Can run continuously under server environment,and has a good reliability.

 5).Flange or torque arm can be installed, so speed can be adjusted on demand in load.

6. Application area

SR NMRV Worm Gearbox can be widely used for speed-reducing driving for various machines in petrochemical industry.tobacco machinery,grain,oil,food and forge machinery,light industry,textile,surge refining,pharmacy,leather industry,environment and traffic & transportation etc.

7. Our service

1)At the instance of our dear customer, we can do some nonstandard design.

2)More than 10 years reducer and motor sale experience.

3)Chinese motor and reducer golden supplier.

8. Product Pictures

Aluminium Alloy Worm Gear Reducers.JPG

9.Working coefficients for NMRV worm gearbox


10. Recommended Hot Products:


Worm Helical Gearbox For Loom   HZ Series  Planetary Gearbox        Worm Gear Speed Reducer 

R seriesNGW主图新K series

              Helical Gearbox                    Planetary Gear Reducer                  Bevel Helical Gearbox

硬圆柱主图新F主新cycloid gearbox

   Conical Cylindrical Gearbox      Parallel Shaft Helical Gear Motors         Cycloidal Gear Reducer

11. Our Factory

12. Our Certificate

sts certificate.jpg

13. FAQ

1.Can I visit your factory?

Yes. SR people welcome friends all over the world to visit our factory. We can help you apply for invitation, make travel arrangement and so on.

2.What is your terms of payment?

30% Advance payment by T/T after signing the contract.70% before delivery.


3.What information should I offer an inquiry?

The more information you offer the better solutions of crane we can provide. 

Hot Tags: nmrv worm gear reducer, China, manufacturers, suppliers, factory, customized
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