Jiuwei NMRV worm gear reducer is a mechanical power transmission device widely used in various industrial applications.
It adopts advanced square box structure, high quality Aluminum alloy. It has small volume, light weight, high strength, big output torque, smooth transmission, and low noise.

NMRV series Characteristics:
- Sizes: From 025 to 150;
- Input position: it could be input shaft, square flange, or IEC standard input flange;
- Speed ratio is from 5 to 100:1;
- Max output torque is to 1200 N.m for single stage;
- House material could be aluminum alloy or casting iron;
- Worm shaft material is 20CrMnTi alloy steel;
- It has different combinations: NMRV+NMRV, NMRV+MOTOR, NMRV+UDL, NMRV+PC, NRV, DRV etc.
- Other options: torque arm, output flange, output shaft etc.

Mainly materials:
|
House/Flange |
Aluminum alloy, casting iron, stainless steel |
|
Worm shaft |
20CrMnTi, alloy steel, stainless steel |
|
Worm gear |
Tin bronze, Aluminum bronze |
|
Oil |
Synthetic oil, Mineral oil |
General technical data:
|
Size |
25, 30, 40, 50, 63, 75, 90, 110, 130, 150 |
|
Speed ratio |
7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
|
Motor power |
0.06-15KW |
|
Output torque |
2.5-1200N.m |
|
Input flange |
B5, B14 |
|
Customized |
Output shaft, output flange, special mounting position |
You can choose right items according to below motor flange sizes.


Jiuwei has high quantity management according to the ISO standard.


Our advantages:
- Factory founded in 2006, with extensive experience in production and manufacturing.
- 10,000 square meters standard workshop and over 40 sets production and testing equipment, not only CNC lathes, grinding machines, milling machines, gear hobbing machines, Coordinate Measuring Machining, foundry workshop and assembly lines.
- With technology department and quality department, providing OEM service, based on ISO standard management.
- Exporting to more than 66 countries and regions, widely used for range of industries, including steel industry, metallurgy industry, textile machinery, printing machinery, woodworking machinery, chemical industry, lifting equipment, logistics and conveying equipment, agriculture and packaging equipment etc.
- Our goal is to create the most high efficient and economic speed gearboxes, making JIUWEI a global supplier of advance power transmission solutions expert.
FAQ
1,Where is your factory?
Our company is located in Hangzhou, China. It's very convenient to visit us from Shanghai or Ningbo airport.
2,Can you provide samples?
Yes, we can produce and provide samples according to your special requirements.
3,How about your price?
Our price is competitive, and it can be changed according to your specifications and quantity.
4,How about your production time?
Our generally delivery time is 25 to 30 days for one container.
5,Which color can you make?
Our general color is blue, gray, sliver, black, and we can make customized color according to your requirement.
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