China supplier NMRV063+NMRV130 Speed Reducer with high quality

Warranty: 1 years
Applicable Industries: Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory, Farms, Restaurant, Home Use, Retail, Construction works , Energy & Mining, Other, Advertising Company
Weight (KG): 35
Customized support: OEM, ODM, OBM
Gearing Arrangement: Worm
Output Torque: 1100-1760 N.M
Input Speed: <1500rpm
Output Speed: 0.28-8rpm
House: Aluminum alloy
Color: Silver-gray-blue
Packaging Details: PP+bag +Carton +Wooden box( We will follow costomer demanded).
Port: HangZhou or ZheJiang

Product summary
NMRV series worm gear reducer is a new generation of products combining the international advanced technology based on the original WP series products. It adopts advanced square box structure, 608zz ball bearing plastic Fittings Sliding door pulley high quality die-casted Aluminum alloy. It has small volume, light weight, high strength, and heat dissipation, attractive and durable.
The reducer has big output torque, smooth transmission and low noise, it adopts all-closed structure, good sealing, free of maintenance, can adapt to comprehensive installation.

Products structure View


NMRV-NMRV Model & Marker

Worm geared motor
Worm reduction unit
Center distance
Reduction ratio
Double input shaft
Output flange
Single output shaft
Double output shaft
Fitted for motor coupling
Motor mounting facility
0.75 KW
Electric motor power

Note: 1. If you need motor, please note “with motor” and the model, High Precise 8620 Grounded Pinion Gear Shaft power& poles of the motor.
2. Accessoriness are unassembled, you may assemble them according to you need.

NMRV063-NMRV130 Dimension

NMRV-NMRV Mounting positions

Position of terminal box of the NMRV+NMRV

NMRV-NMRV Parameter tables

Packaging & Shipping
Our Services
Company Information

Solution and reason for the general faults of reducer
Fault description
Insufficient oil
Inferior oil
Bad rejection of heat of the enclosure
Adjust loading or select large unit
Fill in adequate oil
Fill in proper oil
Clean the surface of the enclosure
Poor fit between gear and shaft
Worn wheel over-damaged
Bearing damaged or clearance too large
Insufficient oil
Invaded by foreign objects
Finish the surface of worn-gear
Replace worm
Replace bearing
Fill in adequate oil
Remove foreign objects and replace oil
Worm wheel
Over loading
Insufficient oil
Inferior oil
Adjust loading or select large unit
Fill in adequate oil
Replace proper oil
Oil leakage
Oil seal damaged
Gasket damaged
Excess oil
Oil filler Loosed
Oil-level plug damaged
Replace oil seal
Replace gasket
Adjust quantity of oil
Tighten oil filler
Replace oil-level plug

Service factor
The service factor (f.s.) depends on the operating conditions the gearbox is subjected to. Following parameters need to be takes select the right service factor:
–type of load of the operating machine A-B-C
–length of daily operating time: hours/day (Δ)
–start-up frequency: starts/hour (*)
Type of load: A- uniform, fa≤0.3
B-moderate shocks, fa≤3
C-heavy shocks, fa≤10

Installation notes
–The mounting on the machine must be stable to avoid any vibration.
–Check the correct direction of rotation of the reduction unit output shaft before fitting the unit to the machine.
–In the case of particularly lengthy of storage (4-6 months) if the oil seal is not immersed in the lubricant inside recommended changing it since the rubber could stick to the shaft or even has lost the elasticity it needs to function prober.
–For a shaft mounting, for reduction units with a hollow output shafts, use the torque arms motion clinic can supply. If it is make sure that the constraint is axially free and with such as play as to ensure free movement to the reduction unit.
–Whenever possible, protect the reduction unit against solar radiation and bad weather.
–Ensure the motor cools correctly by assuring good passage of air from the fan side.
–In the case of ambient temperatures+40°C contact motion clinic.
–The various parts (pulleys, gear wheels, couplings, shaft, etc.) must be mounted on the solid or hollow shafts using special holes or other systems that anyhow ensure correct operation with-out risking damage to the bearing or external parts of the unit.
–Painting must definitely not go over rubber parts and the holes on the breather plugs, if there are any.
–Taking out the seal embolism of the oil hole.
–Check the height of the oil level.
–Supposing the gear units have not coupled with the motor, please pay attention to the following items to make sure rightly connection. To mounting as the B5, B1.
–Check the whether the tolerance between the shaft and motor flange fit for the essential standard.
–Washing the dirt and the paint on the surfaces of the shaft, center bore and the flange.
–Mounting avoid the gear unit incur strength.
–Check the position and the deviation of the motor key slot.
–Lubricate the surface in contact to avoid seizure or oxidation.
–Starting must take place gradually, without immediately applying the maximum load.
–When there are parts objects or materials under the motor drive that can be damaged by even limited spillage of oil, special should be fitted.

Choosing a Gearbox For Your Application

The gearbox is an essential part of bicycles. It is used for several purposes, including speed and force. A gearbox is used to achieve one or both of these goals, but there is always a trade-off. Increasing speed increases wheel speed and forces on the wheels. Similarly, increasing pedal force increases the force on the wheels. This makes it easier for cyclists to accelerate their bicycles. However, this compromise makes the gearbox less efficient than an ideal one.


Gearboxes come in different sizes, so the size of your unit depends on the number of stages. Using a chart to determine how many stages are required will help you determine the dimensions of your unit. The ratios of individual stages are normally greater at the top and get smaller as you get closer to the last reduction. This information is important when choosing the right gearbox for your application. However, the dimensions of your gearbox do not have to be exact. Some manufacturers have guides that outline the required dimensions.
The service factor of a gearbox is a combination of the required reliability, the actual service condition, and the load that the gearbox will endure. It can range from 1.0 to 1.4. If the service factor of a gearbox is 1.0, it means that the unit has just enough capacity to meet your needs, but any extra requirements could cause the unit to fail or overheat. However, service factors of 1.4 are generally sufficient for most industrial applications, since they indicate that a gearbox can withstand 1.4 times its application requirement.
Different sizes also have different shapes. Some types are concentric, while others are parallel or at a right angle. The fourth type of gearbox is called shaft mount and is used when mounting the gearbox by foot is impossible. We will discuss the different mounting positions later. In the meantime, keep these dimensions in mind when choosing a gearbox for your application. If you have space constraints, a concentric gearbox is usually your best option.


The design and construction of a gearbox entails the integration of various components into a single structure. The components of a gearbox must have sufficient rigidity and adequate vibration damping properties. The design guidelines note the approximate values for the components and recommend the production method. Empirical formulas were used to determine the dimensions of the various components. It was found that these methods can simplify the design process. These methods are also used to calculate the angular and axial displacements of the components of the gearbox.
In this project, we used a 3D modeling software called SOLIDWORKS to create a 3-D model of a gear reducer. We used this software to simulate the structure of the gearbox, and it has powerful design automation tools. Although the gear reducer and housing are separate parts, we model them as a single body. To save time, we also removed the auxiliary elements, such as oil inlets and oil level indicators, from the 3D model.
Our method is based on parameter-optimized deep neural networks (DBNs). This model has both supervised and unsupervised learning capabilities, allowing it to be self-adaptive. This method is superior to traditional methods, which have poor self-adaptive feature extraction and shallow network generalization. Our algorithm is able to recognize faults in different states of the gearbox using its vibration signal. We have tested our model on two gearboxes.
With the help of advanced material science technologies, we can now manufacture the housing for the gearbox using high-quality steel and aluminium alloys. In addition, advanced telematics systems have increased the response time of manufacturers. These technologies are expected to create tremendous opportunities in the coming years and fuel the growth of the gearbox housing market. There are many different ways to construct a gearbox, and these techniques are highly customizable. In this study, we will consider the design and construction of various gearbox types, as well as their components.


A gearbox is a mechanical device that transmits power from one gear to another. The different types of gears are called planetary gears and are used in a variety of applications. Depending on the type of gearbox, it may be concentric, parallel, or at a right angle. The fourth type of gearbox is a shaft mount. The shaft mount type is used in applications that cannot be mounted by foot. The various mounting positions will be discussed later.
Many design guidelines recommend a service factor of 1.0, which needs to be adjusted based on actual service conditions. This factor is the combined measure of external load, required reliability, and overall gearbox life. In general, published service factors are the minimum requirements for a particular application, but a higher value is necessary for severe loading. This calculation is also recommended for high-speed gearboxes. However, the service factor should not be a sole determining factor in the selection process.
The second gear of a pair of gears has more teeth than the first gear. It also turns slower, but with greater torque. The second gear always turns in the opposite direction. The animation demonstrates this change in direction. A gearbox can also have more than one pair of gears, and a first gear may be used for the reverse. When a gear is shifted from one position to another, the second gear is engaged and the first gear is engaged again.
Another term used to describe a gearbox is “gear box.” This term is an interchangeable term for different mechanical units containing gears. Gearboxes are commonly used to alter speed and torque in various applications. Hence, understanding the gearbox and its parts is essential to maintaining your car’s performance. If you want to extend the life of your vehicle, be sure to check the gearbox’s efficiency. The better its functioning, the less likely it is to fail.


Automatic transmission boxes are almost identical to mechanical transmission boxes, but they also have an electronic component that determines the comfort of the driver. Automatic transmission boxes use special blocks to manage shifts effectively and take into account information from other systems, as well as the driver’s input. This ensures accuracy and positioning. The following are a few gearbox advantages:
A gearbox creates a small amount of drag when pedaling, but this drag is offset by the increased effort to climb. The external derailleur system is more efficient when adjusted for friction, but it does not create as little drag in dry conditions. The internal gearbox allows engineers to tune the shifting system to minimize braking issues, pedal kickback, and chain growth. As a result, an internal gearbox is a great choice for bikes with high-performance components.
Helical gearboxes offer some advantages, including a low noise level and lower vibration. They are also highly durable and reliable. They can be extended in modular fashion, which makes them more expensive. Gearboxes are best for applications involving heavy loads. Alternatively, you can opt for a gearbox with multiple teeth. A helical gearbox is more durable and robust, but it is also more expensive. However, the benefits far outweigh the disadvantages.
A gearbox with a manual transmission is often more energy-efficient than one with an automatic transmission. Moreover, these cars typically have lower fuel consumption and higher emissions than their automatic counterparts. In addition, the driver does not have to worry about the brakes wearing out quickly. Another advantage of a manual transmission is its affordability. A manual transmission is often available at a lower cost than its automatic counterpart, and repairs and interventions are easier and less costly. And if you have a mechanical problem with the gearbox, you can control the fuel consumption of your vehicle with appropriate driving habits.


While choosing a gearbox for a specific application, the customer should consider the load on the output shaft. High impact loads will wear out gear teeth and shaft bearings, requiring higher service factors. Other factors to consider are the size and style of the output shaft and the environment. Detailed information on these factors will help the customer choose the best gearbox. Several sizing programs are available to determine the most appropriate gearbox for a specific application.
The sizing of a gearbox depends on its input speed, torque, and the motor shaft diameter. The input speed must not exceed the required gearbox’s rating, as high speeds can cause premature seal wear. A low-backlash gearbox may be sufficient for a particular application. Using an output mechanism of the correct size may help increase the input speed. However, this is not recommended for all applications. To choose the right gearbox, check the manufacturer’s warranty and contact customer service representatives.
Different gearboxes have different strengths and weaknesses. A standard gearbox should be durable and flexible, but it must also be able to transfer torque efficiently. There are various types of gears, including open gearing, helical gears, and spur gears. Some of the types of gears can be used to power large industrial machines. For example, the most popular type of gearbox is the planetary drive gearbox. These are used in material handling equipment, conveyor systems, power plants, plastics, and mining. Gearboxes can be used for high-speed applications, such as conveyors, crushers, and moving monorail systems.
Service factors determine the life of a gearbox. Often, manufacturers recommend a service factor of 1.0. However, the actual value may be higher or lower than that. It is often useful to consider the service factor when choosing a gearbox for a particular application. A service factor of 1.4 means that the gearbox can handle 1.4 times the load required. For example, a 1,000-inch-pound gearbox would need a 1,400-inch-pound gearbox. Service factors can be adjusted to suit different applications and conditions.

China supplier NMRV063+NMRV130 Speed Reducer  with high qualityChina supplier NMRV063+NMRV130 Speed Reducer  with high quality

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