Product Description
Introduction of Worm Gearbox
1. Made of high-quality aluminum alloy or stainless steel, light in weight and non-rusting
2. Smooth in running and low in noise, can work long time in dreadful conditions
3. High in radiating efficiency
4. Good-looking in appearance, durable in service life and small in volume
5. Suitable for omni-bearing installation
6. Inch size and metric size are both available
Worm Gearbox Main Materials
1. Housing: Die-cast aluminum alloy(frame size 571-090); cast iron(frame size 110-150 )
2. Worm shaft: 20CrMnTi, carbonize heat treatment make the hardness of gear’s surface up to 56-62 HRC. Retain carburization layer’s thickness between 0.3 and 0.5mm after precise grinding
3. Worm wheel: Wearable tin bronze alloy
Detailed Specification
| Type | Worm Gear Speed Reducer |
| Model | NMRV571-150 |
| Ratio | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| Color | Blue/Silver or on customer request |
| Material | Housing: Aluminium alloy or cost iron |
| Worm Gear: Copper-10-3# | |
| Worm: 20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC | |
| Shaft: Chromium steel-45# | |
| Lubricant | Synthetic&Mineral |
| Bearing | C&U bearing |
| Seal | KSK&SKF |
| Temperature | -3040ºC |
| IEC Flange | B5/B14 |
| Rated Power | 0.06KW~15KW |
| Application | Metallurgical machinery, food machinery, stage machinery, |
| welding machinery, road machinery, amusement machines, | |
| packaging machinery, rubber and plastic machinery, | |
| environmental protection machinery, engineering machinery, | |
| construction machinery, machine tool industry, | |
| automotive industry, logistics and transportation and so on. |
Mounting Method
| NMRV | PAM | N | M | P | D | |||||||||||
| IEC | 5 | 7.5 | 10 | 15 | 20 | 25 | 30 | 40 | 50 | 60 | 80 | 100 | ||||
| 571 | 56B14 | 50 | 65 | 80 | 9 | 9 | 9 | 9 | 9 | – | 9 | 9 | 9 | 9 | – | – |
| 030 | 63B5 | 95 | 115 | 140 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | – | – | – |
| 63B14 | 60 | 75 | 90 | |||||||||||||
| 56B5 | 80 | 100 | 120 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | – | |
| 56B14 | 50 | 65 | 80 | |||||||||||||
| 040 | 71B5 | 110 | 130 | 160 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | – | – | – | – |
| 71B14 | 70 | 85 | 105 | |||||||||||||
| 63B5 | 95 | 115 | 140 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | |
| 63B14 | 60 | 75 | 90 | |||||||||||||
| 56B5 | 80 | 100 | 120 | – | – | – | – | – | – | – | – | 9 | 9 | 9 | ||
| 050 | 80B5 | 130 | 165 | 200 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | – | – | – | – | – |
| 80B14 | 80 | 100 | 120 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | – | |
| 71B14 | 70 | 85 | 105 | |||||||||||||
| 63B5 | 95 | 115 | 140 | – | – | – | – | – | – | – | 11 | 11 | 11 | 11 | 11 | |
| 063 | 90B5 | 130 | 165 | 200 | – | 24 | 24 | 24 | 24 | 24 | 24 | – | – | – | – | – |
| 90B14 | 95 | 115 | 140 | |||||||||||||
| 80B5 | 130 | 165 | 200 | – | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | – | – | |
| 80B14 | 80 | 100 | 120 | |||||||||||||
| 71B5 | 110 | 130 | 160 | – | – | – | – | – | – | – | 14 | 14 | 14 | 14 | 14 | |
| 71B14 | 70 | 85 | 105 | |||||||||||||
| 075 | 100/112B5 | 180 | 215 | 250 | – | 28 | 28 | 28 | – | – | – | – | – | – | – | – |
| 100/112B14 | 110 | 130 | 160 | |||||||||||||
| 90B5 | 130 | 165 | 200 | – | 24 | 24 | 24 | 24 | 24 | 24 | 24 | – | – | – | – | |
| 90B14 | 95 | 115 | 140 | |||||||||||||
| 80B5 | 130 | 165 | 200 | – | – | – | – | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | |
| 80B14 | 80 | 100 | 120 | |||||||||||||
| 71B5 | 110 | 130 | 160 | – | – | – | – | – | – | – | – | 14 | 14 | 14 | 14 | |
| 090 | 100/112B5 | 180 | 215 | 250 | – | 28 | 28 | 28 | 28 | 28 | 28 | – | – | – | – | – |
| 100/112B14 | 110 | 130 | 160 | |||||||||||||
| 90B5 | 130 | 165 | 200 | – | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | – | – | |
| 90B14 | 95 | 115 | 140 | |||||||||||||
| 80B5 | 130 | 165 | 200 | – | – | – | – | – | – | – | 19 | 19 | 19 | 19 | 19 | |
| 80B14 | 80 | 100 | 120 | |||||||||||||
| 110 | 132B5 | 230 | 265 | 300 | – | 38 | 38 | 38 | 38 | – | – | – | – | – | – | – |
| 100/112B5 | 180 | 215 | 250 | – | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | – | – | |
| 90B5 | 130 | 165 | 200 | – | – | – | – | – | 24 | 24 | 24 | 24 | 24 | 24 | 24 | |
| 80B5 | 130 | 165 | 200 | – | – | – | – | – | – | – | – | – | – | 19 | 19 | |
| 130 | 132B5 | 230 | 265 | 300 | – | 38 | 38 | 38 | 38 | 38 | 38 | 38 | – | – | – | – |
| 100/112B5 | 180 | 215 | 250 | – | – | – | – | – | 28 | 28 | 28 | 28 | 28 | 28 | 28 | |
| 90B5 | 130 | 165 | 200 | – | – | – | – | – | – | – | – | – | – | 24 | 24 | |
| 150 | 160B5 | 250 | 300 | 350 | – | 42 | 42 | 42 | 42 | 42 | – | – | – | – | – | – |
| 132B5 | 230 | 265 | 300 | – | – | – | – | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | |
| 100/112B5 | 180 | 215 | 250 | – | – | – | – | – | – | – | – | – | 28 | 28 | 28 | |
FAQ
1 Q: What’s your MOQ for the gearbox?
A: 1unit is ok for sample testing
2 Q: What about your warranty for the gearbox?
A: One year.
3 Q: Do you provide OEM service with a customized logo?
A: Yes, we could do OEM orders, but we mainly focus on our own brand.
4 Q: How about your payment terms?
A: TT, western union, and PayPal. 100% payment in advance for orders less than $5,000. 30% deposit and balance before delivery for orders over $5,000.
5 Q: How about your packing?
A: Carton, Plywood case. If you need more, we can pack all goods with a pallet.
6 Q: What information should be given, if I buy from you?
A: Rated power, gearbox ratio, input speed, mounting position. More details, better!
7 Q: How do you deliver the gearbox?
A: We will compare and choose the most suitable ways of delivery by sea, air or express courier.
We hope you will enjoy cooperating with us.
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| Power Source: | Right Angle Shaft |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reducti |
| Model No.: | Nmrv025 |
| Gear Ratio: | 5~100 |
| Color: | Blue/ Silver/ Customized |
| Warrenty: | 1 Year |
| Samples: |
US$ 13/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Ensuring Precision of Gear Tooth Profiles in Speed Reducer Gearboxes
Manufacturers employ several techniques to ensure the precision of gear tooth profiles in speed reducer gearboxes, which is crucial for optimal performance and longevity:
- High-Quality Materials: Manufacturers use high-quality materials for gear manufacturing, such as hardened steel or specialized alloys, to enhance durability and minimize wear.
- Precision Machining: Advanced machining processes, including CNC (Computer Numerical Control) machining and grinding, ensure accurate tooth profiles and precise gear dimensions.
- Tooth Profile Design: Detailed tooth profile designs based on mathematical calculations and engineering principles help optimize meshing and minimize stress concentration.
- Tooth Forming Techniques: Various tooth forming methods, such as hobbing, shaping, and broaching, are employed to create accurate gear tooth profiles with minimal deviations.
- Heat Treatment: Heat treatment processes like carburizing, quenching, and tempering are used to achieve the desired hardness and strength, ensuring gear teeth can withstand operational stresses.
- Quality Control: Rigorous quality control measures, including inspection using precision tools like coordinate measuring machines (CMMs), ensure compliance with design specifications.
- Lubrication and Surface Coatings: Proper lubrication and specialized surface coatings help reduce friction and wear, maintaining accurate tooth profiles during operation.
By implementing these techniques and adhering to stringent quality standards, manufacturers can achieve the required precision in gear tooth profiles, resulting in smooth and efficient operation of speed reducer gearboxes.

Limitations and Drawbacks of Speed Reducer Gearbox Systems
While speed reducer gearbox systems offer various benefits, they also come with certain limitations and drawbacks that should be considered:
1. Efficiency Loss: Speed reducer gearboxes introduce mechanical losses due to friction and gear meshing. These losses can result in reduced overall efficiency, especially in applications where precise speed control is crucial.
2. Size and Weight: Gearboxes add size and weight to the machinery, which can be a limitation in space-constrained environments or applications where weight is a critical factor.
3. Cost: The design, manufacturing, and maintenance of speed reducer gearboxes can be complex and costly. High-quality materials and precision engineering contribute to higher upfront and operational costs.
4. Maintenance: Gearboxes require regular maintenance, including lubrication, inspection, and potential replacement of worn parts. Improper maintenance can lead to reduced lifespan and operational issues.
5. Backlash: Gears within speed reducer gearboxes may exhibit backlash, which is the small amount of play between gear teeth. Backlash can affect precision in applications requiring accurate positioning.
6. Noise and Vibration: Gear meshing can generate noise and vibrations, especially at higher speeds. Additional measures may be needed to mitigate these effects and ensure a quieter operating environment.
7. Limited Ratios: Some gearbox designs offer a limited range of gear ratios, which may restrict the flexibility of certain applications requiring specific speed adjustments.
8. Heat Generation: The mechanical processes within gearboxes can generate heat, and inadequate cooling or lubrication can lead to overheating and reduced efficiency.
Despite these limitations, proper selection, design, and maintenance of speed reducer gearbox systems can help mitigate these drawbacks and ensure their effective integration into various mechanical systems.

What is a Speed Reducer Gearbox and How Does It Function in Mechanical Systems?
A speed reducer gearbox, also known as a gear reducer or gearhead, is a mechanical device used to reduce the rotational speed of an input shaft while increasing the output torque. It consists of a combination of gears with different sizes and configurations that work together to achieve the desired speed reduction and torque increase.
The primary function of a speed reducer gearbox is to adapt the output speed and torque of a power source, such as an electric motor or an internal combustion engine, to match the requirements of a specific application. By changing the speed and torque characteristics, the gearbox enables efficient power transmission and motion control in various industrial and mechanical systems.
The basic operation of a speed reducer gearbox involves the interaction of different types of gears, such as spur gears, helical gears, bevel gears, and worm gears. These gears mesh together to create a mechanical advantage, which results in the reduction of output speed and the amplification of output torque. The specific gear arrangement and ratios determine the extent of speed reduction and torque multiplication achieved by the gearbox.
Speed reducer gearboxes find widespread use in applications where the input power source operates at higher speeds and lower torques than what is required for the output application. Examples include conveyor systems, industrial machinery, robotics, automotive transmissions, and various types of manufacturing equipment. By providing the necessary speed reduction and torque increase, speed reducer gearboxes play a crucial role in optimizing the performance and efficiency of these mechanical systems.
In summary, a speed reducer gearbox is a mechanical component that utilizes gear combinations to reduce input speed and increase output torque, enabling effective power transmission and motion control in a wide range of industrial applications.


editor by CX 2024-04-09