Product Description
Product Description
KPM-KPB series helical-hypoid gearboxes are the new-generation product with a compromise of advanced technology both at home and abroad.This product is widely used in textile, foodstuff, beverage,tobacco, logistics industrial fields,etc.
Main Features:
(1) Driven by hypoid gears, which has big ratios.
(2) Large output torque, high efficiency(up to 92%), energy saving and environmental protection.
(3) High quality aluminum alloy housing, light in weight and non-rusting.
(4) Smooth in running and low in noise, and can work long time in dreadful conditions.
(5) Good-looking appearance, durable service life and small volume.
(6) Suitable for all round installation, wide application and easy use.
(7) KPM series can replace NMRV worm gearbox; KPB series can replace CHINAMFG W series worm gearbox;
(8) Modular and multi-structure can meet the demands of various conditions.
Main Material:
(1) Housing: aluminum alloy
(2) Gear wheel: 20CrMnTiH1,carbonize & quencher heat treatment make the hardness of gears surface up to 56-62 HRC, retain carburization layers thickness between 0.3 and 0.5mm after precise grinding.
Detailed Photos
Product Parameters
Model Information:
| GEARBOX SELECTING TABLES | ||||||||||||
| KPM50.. | n1=1400r/min | 160Nm | ||||||||||
| Model | i | i | n2 | M2max | Fr2 | 63B5 | 71B5/B14 | 80B5/B14 | 90B5/B14 | |||
| nominal | actual | [r/min] | [Nm] | [N] | ||||||||
| 3 Stage | ||||||||||||
| KPM50C | 300 | 294.05 | 4.8 | 130 | 4100 | N/A | N/A | N/A | ||||
| KPM50C | 250 | 244.29 | 5.8 | 130 | 4100 | N/A | N/A | N/A | ||||
| KPM50C | 200 | 200.44 | 7.0 | 130 | 4100 | N/A | N/A | N/A | ||||
| KPM50C | 150 | 146.67 | 9.6 | 160 | 4000 | N/A | N/A | N/A | ||||
| KPM50C | 125 | 120.34 | 12 | 160 | 3770 | N/A | N/A | |||||
| KPM50C | 100 | 101.04 | 14 | 160 | 3560 | N/A | N/A | |||||
| KPM50C | 75 | 74.62 | 19 | 160 | 3220 | N/A | N/A | |||||
| KPM50C | 60 | 62.36 | 23 | 160 | 3030 | N/A | N/A | |||||
| KPM50C | 50 | 52.36 | 27 | 160 | 2860 | N/A | N/A | |||||
| 2 Stage | ||||||||||||
| KPM50B | 60 | 58.36 | 24 | 130 | 2960 | N/A | N/A | |||||
| KPM50B | 50 | 48.86 | 29 | 130 | 2790 | N/A | ||||||
| KPM50B | 40 | 40.09 | 35 | 130 | 2610 | N/A | ||||||
| KPM50B | 30 | 29.33 | 48 | 160 | 2350 | N/A | ||||||
| KPM50B | 25 | 24.07 | 59 | 160 | 2200 | |||||||
| KPM50B | 20 | 20.21 | 70 | 160 | 2080 | |||||||
| KPM50B | 15 | 14.92 | 94 | 160 | 1880 | |||||||
| KPM50B | 12.5 | 12.47 | 113 | 160 | 1770 | |||||||
| KPM50B | 10 | 10.47 | 134 | 160 | 1670 | |||||||
| KPM50B | 7.5 | 7.73 | 182 | 160 | 1510 | |||||||
| KPM63..,KPB63.. | n1=1400r/min | 180Nm | ||||||||||
| Model | i | i | n2 | M2max | Fr2 | 63B5 | 71B5/B14 | 80B5/B14 | 90B5/B14 | |||
| nominal | actual | [r/min] | [Nm] | [N] | ||||||||
| 3 Stage | ||||||||||||
| KPM63C | KPB63C | 300 | 302.50 | 4.7 | 160 | 4800 | N/A | N/A | N/A | |||
| KPM63C | KPB63C | 250 | 243.57 | 5.8 | 160 | 4800 | N/A | N/A | N/A | |||
| KPM63C | KPB63C | 200 | 196.43 | 7.2 | 160 | 4800 | N/A | N/A | ||||
| KPM63C | KPB63C | 150 | 151.56 | 9.3 | 180 | 4650 | N/A | N/A | ||||
| KPM63C | KPB63C | 125 | 122.22 | 12 | 180 | 4330 | N/A | N/A | ||||
| KPM63C | KPB63C | 100 | 94.50 | 14 | 180 | 4070 | N/A | N/A | ||||
| KPM63C | KPB63C | 75 | 73.33 | 20 | 180 | 3650 | N/A | |||||
| KPM63C | KPB63C | 60 | 63.33 | 23 | 180 | 3480 | N/A | |||||
| KPM63C | KPB63C | 50 | 52.48 | 27 | 180 | 3270 | N/A | |||||
| 2 Stage | ||||||||||||
| KPM63B | KPB63B | 60 | 60.50 | 24 | 160 | 3430 | N/A | |||||
| KPM63B | KPB63B | 50 | 48.71 | 29 | 160 | 3190 | ||||||
| KPM63B | KPB63B | 40 | 39.29 | 36 | 160 | 2970 | ||||||
| KPM63B | KPB63B | 30 | 30.31 | 47 | 180 | 2720 | ||||||
| KPM63B | KPB63B | 25 | 24.44 | 58 | 180 | 2530 | N/A | |||||
| KPM63B | KPB63B | 20 | 18.90 | 70 | 180 | 2380 | N/A | |||||
| KPM63B | KPB63B | 15 | 14.67 | 96 | 180 | 2130 | N/A | N/A | ||||
| KPM63B | KPB63B | 12.5 | 12.67 | 111 | 180 | 2030 | N/A | N/A | ||||
| KPM63B | KPB63B | 10 | 10.50 | 134 | 180 | 1910 | N/A | N/A | ||||
| KPM63B | KPB63B | 7.5 | 7.60 | 185 | 180 | 1710 | N/A | N/A | ||||
| KPM75..,KPB75.. | n1=1400r/min | 350Nm | ||||||||||
| Model | i | i | n2 | M2max | Fr2 | 63B5 | 71B5 | 80B5/B14 | 90B5/B14 | 100B5/B14 | 112B5/B14 | |
| nominal | actual | [r/min] | [Nm] | [N] | ||||||||
| 3 Stage | ||||||||||||
| KPM75C | KPB75C | 300 | 297.21 | 4.8 | 300 | 6500 | N/A | N/A | N/A | N/A | ||
| KPM75C | KPB75C | 250 | 240.89 | 5.9 | 300 | 6500 | N/A | N/A | N/A | N/A | ||
| KPM75C | KPB75C | 200 | 200.66 | 7.0 | 300 | 6500 | N/A | N/A | N/A | N/A | ||
| KPM75C | KPB75C | 150 | 149.30 | 9.3 | 350 | 6500 | N/A | N/A | N/A | |||
| KPM75C | KPB75C | 125 | 121.00 | 12 | 350 | 5980 | N/A | N/A | N/A | |||
| KPM75C | KPB75C | 100 | 100.80 | 15 | 350 | 5520 | N/A | N/A | N/A | |||
| KPM75C | KPB75C | 75 | 79.40 | 19 | 350 | 5040 | N/A | N/A | ||||
| KPM75C | KPB75C | 60 | 62.43 | 23 | 350 | 4730 | N/A | N/A | N/A | |||
| KPM75C | KPB75C | 50 | 49.18 | 29 | 350 | 4370 | N/A | N/A | N/A | |||
| 2 Stage | ||||||||||||
| KPM75B | KPB75B | 60 | 59.44 | 24 | 300 | 4660 | N/A | N/A | N/A | |||
| KPM75B | KPB75B | 50 | 48.18 | 30 | 300 | 4340 | N/A | N/A | N/A | |||
| KPM75B | KPB75B | 40 | 40.13 | 35 | 300 | 4080 | N/A | N/A | ||||
| KPM75B | KPB75B | 30 | 29.86 | 47 | 350 | 3720 | N/A | N/A | N/A | |||
| KPM75B | KPB75B | 25 | 24.20 | 56 | 350 | 3500 | N/A | N/A | ||||
| KPM75B | KPB75B | 20 | 20.16 | 71 | 350 | 3230 | N/A | N/A | ||||
| KPM75B | KPB75B | 15 | 15.88 | 93 | 350 | 2950 | N/A | N/A | ||||
| KPM75B | KPB75B | 12.5 | 12.49 | 113 | 350 | 2770 | N/A | N/A | N/A | |||
| KPM75B | KPB75B | 10 | 9.84 | 143 | 350 | 2550 | N/A | N/A | N/A | |||
| KPM75B | KPB75B | 7.5 | 7.48 | 188 | 350 | 2330 | N/A | N/A | N/A | |||
| KPM90..,KPB86.. | n1=1400r/min | 500Nm | ||||||||||
| Model | i | i | n2 | M2max | Fr2 | 63B5 | 71B5 | 80B5/B14 | 90B5/B14 | 100B5/B14 | 112B5/B14 | |
| nominal | actual | [r/min] | [Nm] | [N] | ||||||||
| 3 Stage | ||||||||||||
| KPM90C | KPB86C | 300 | 297.21 | 4.8 | 450 | 6500 | N/A | N/A | N/A | N/A | ||
| KPM90C | KPB86C | 250 | 240.89 | 5.9 | 450 | 6500 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 200 | 200.66 | 7.0 | 450 | 6500 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 150 | 151.20 | 9.3 | 500 | 6500 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 125 | 125.95 | 12 | 500 | 5980 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 100 | 99.22 | 15 | 500 | 5520 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 75 | 75.45 | 19 | 500 | 5040 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 60 | 62.43 | 23 | 500 | 4730 | N/A | N/A | N/A | |||
| KPM90C | KPB86C | 50 | 49.18 | 29 | 500 | 4370 | N/A | N/A | N/A | |||
| 2 Stage | ||||||||||||
| KPM90B | KPB86B | 60 | 59.44 | 24 | 450 | 5890 | N/A | N/A | ||||
| KPM90B | KPB86B | 50 | 48.18 | 30 | 450 | 5500 | N/A | N/A | ||||
| KPM90B | KPB86B | 40 | 40.13 | 35 | 450 | 5170 | N/A | N/A | ||||
| KPM90B | KPB86B | 30 | 30.24 | 47 | 500 | 4710 | N/A | N/A | ||||
| KPM90B | KPB86B | 25 | 25.19 | 56 | 500 | 4430 | N/A | N/A | ||||
| KPM90B | KPB86B | 20 | 19.84 | 71 | 500 | 4090 | N/A | N/A | N/A | |||
| KPM90B | KPB86B | 15 | 15.09 | 93 | 500 | 3730 | N/A | N/A | N/A | |||
| KPM90B | KPB86B | 12.5 | 12.49 | 113 | 500 | 3510 | N/A | N/A | N/A | |||
| KPM90B | KPB86B | 10 | 9.84 | 143 | 500 | 3240 | N/A | N/A | N/A | |||
| KPM90B | KPB86B | 7.5 | 7.48 | 188 | 500 | 2950 | N/A | N/A | N/A | |||
Outline Dimension:
Company Profile
About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
Logistics
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
FAQ
1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.
Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Color: | Blue/Silver or on Request |
| Oil Seal: | SKF Oil Seal |
| Samples: |
US$ 45/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Using NMRV Gearboxes in High-Load Applications
NMRV gearboxes can be used in moderate to high-load applications, but their load capacity is generally limited compared to some other gearbox types. They are best suited for applications with light to moderate loads, such as conveyor systems, packaging equipment, and small machinery. It’s important to consider the specific load requirements and consult with gearbox manufacturers or engineers to ensure the chosen NMRV gearbox can handle the intended application’s load demands.

Lifespan of an NMRV Gearbox
The lifespan of an NMRV (worm gear) gearbox can vary based on several factors, including the quality of manufacturing, proper maintenance practices, operating conditions, and the specific application it is used for. However, when designed, manufactured, and maintained properly, NMRV gearboxes can have a long and reliable service life.
High-quality NMRV gearboxes that are made from durable materials, precisely machined, and assembled with care tend to have a longer lifespan. Regular maintenance, including proper lubrication, inspection, and addressing any signs of wear or damage, can significantly extend the gearbox’s operational life.
The operating conditions in which the gearbox is used also play a role in determining its lifespan. Factors such as load, temperature, speed, and environment can impact the wear and tear on the gearbox components.
It’s important to follow the manufacturer’s recommendations for maintenance intervals and procedures to ensure optimal performance and longevity of the NMRV gearbox. By adhering to these guidelines and addressing any issues promptly, users can expect an NMRV gearbox to provide reliable service for many years.

Using an NMRV Gearbox
An NMRV gearbox, also known as a worm gear reducer, is commonly used for various applications that require speed reduction, torque multiplication, and smooth power transmission. This type of gearbox offers several benefits:
- Compact Design: NMRV gearboxes have a compact and space-saving design, making them suitable for applications with limited installation space.
- High Gear Ratio: Worm gear reducers can achieve high gear ratios in a single stage, making them ideal for applications where a significant reduction in speed is needed.
- Quiet Operation: The meshing of the worm gear and worm wheel results in low noise levels during operation.
- Simple Operation: NMRV gearboxes have a simple design with fewer components, leading to ease of operation and maintenance.
- Reliable and Durable: Worm gear reducers are known for their reliability and durability, making them suitable for continuous and heavy-duty applications.
Common applications of NMRV gearboxes include:
- Conveyor systems
- Material handling equipment
- Industrial machinery
- Automated systems
- Food processing equipment
- Packaging machinery
Due to their versatility and ability to provide precise speed reduction, NMRV gearboxes are widely used in various industries to optimize the performance of different types of machinery and equipment.


editor by CX 2023-10-07