Product Description
Characteristics:
NMRV/NRV Series Worm and Gear Motor
NMRV Series High Quality Worm Gear Motor contains worm gear reducer and motor(Including 3 phrese AC motor,single AC motor,DC servo motor and DC PM motor).The square aluminum gearbox is manufactured based on GB157188 cylindrical gear parameter.During the process, many advanced technologies are adopted.So it has compact structure, good appearance and excellent heatsink when runing.
This series motor has the following characteristics:smooth running, low noise, large transmission ratio and strange loadcapacity and it may match with different kinds of motors for realizing speed adjustment.
Working principle
High quality ac 230v hollow shaft worm gear motor is used to transfer rotation and torque from motor to working machine,the function is to decrease speed by gears and increase torque
Design characteristics
1:Use low-carbon Aluminium Alloy cementation processing completely.
2:High precision on gear and gear shaft.
3:Small volume with big torque.
Model & Mark :NMRV 050-20 E F1 AZ B3
| NMRV | NMRV means hole input with flange | NRV means shaft input without flange |
| 050 | Distance between the centers of worm and worm gear | |
| 20 | Speed ratio of worm gear speed reducer | |
| E | “E” means double extension worm shaft, no mark means single extension worm shaft | |
| F1 | “F” means output flange, “FL” means high output flange,no mark means output without flange | |
| AZ | “AZ”means bidirectional output shaft, “GZ”means unilateral output shaft and no mark means hole output | |
| B3 | Installation position code | |
| Motor power | Model | speed ratio | output speed | output toruqe |
| 0.12kw 1400rpm | NMRV050 | 40 | 35rpm | 21.9N.M |
| NMRV050 | 50 | 28rpm | 25.8N.M | |
| NMRV050 | 60 | 24rpm | 29.0N.M | |
| NMRV050 | 80 | 18rpm | 34.7N.M | |
| NMRV050 | 100 | 14rpm | 40.1N.M | |
| 0.18kw 1400rpm | NMRV050 | 40 | 35rpm | 32.0N.M |
| NMRV050 | 50 | 28rpm | 38.0N.M | |
| NMRV050 | 60 | 24rpm | 34.0N.M | |
| NMRV050 | 80 | 18rpm | 53.0N.M | |
| NMRV050 | 100 | 14rpm | 55.0N.M | |
| 0.25kw 1400rpm | NMRV050 | 5 | 280rpm | 6.0N.M |
| NMRV050 | 7.5 | 186rpm | 11.0N.M | |
| NMRV050 | 10 | 140rpm | 14.0N.M | |
| NMRV050 | 15 | 94rpm | 21.0N.M | |
| NMRV050 | 20 | 70rpm | 26.0N.M | |
| NMRV050 | 25 | 56rpm | 32.0N.M | |
| NMRV050 | 30 | 47rpm | 36.0N.M | |
| NMRV050 | 40 | 35rpm | 45.0N.M | |
| NMRV050 | 50 | 28rpm | 53.0N.M | |
| NMRV050 | 60 | 24rpm | 60.0N.M | |
| NMRV050 | 80 | 18rpm | 65.0N.M | |
| 0.37kw 1400rpm | NMRV050 | 5 | 280rpm | 9.0N.M |
| NMRV050 | 7.5 | 186rpm | 16.0N.M | |
| NMRV050 | 10 | 140rpm | 21.0N.M | |
| NMRV050 | 15 | 94rpm | 31.0N.M | |
| NMRV050 | 20 | 70rpm | 39.0N.M | |
| NMRV050 | 25 | 56rpm | 47.0N.M | |
| NMRV050 | 30 | 47rpm | 54.0N.M | |
| NMRV050 | 40 | 35rpm | 66.0N.M | |
| NMRV050 | 50 | 28rpm | 73.0N.M | |
| 0.55kw 1400rpm | NMRV050 | 5 | 280rpm | 13.0N.M |
| NMRV050 | 7.5 | 186rpm | 25.0N.M | |
| NMRV050 | 10 | 140rpm | 32.0N.M | |
| NMRV050 | 15 | 94rpm | 46.0N.M | |
| NMRV050 | 20 | 70rpm | 59.0N.M | |
| 0.75kw 1400rpm | NMRV050 | 7.5 | 186rpm | 34.0N.M |
| NMRV050 | 10 | 140rpm | 44.0N.M | |
| NMRV050 | 15 | 94rpm | 63.0N.M |
Notice for ordering:
1) when ordering,please refer to the details of the products and tell us the exact type your need according to your requirements,like input speed,output torque,configuration,installation,etc:the installation position of the products in the order should accord with your actual needs,otherwise, it will result in oil leakage, which will impact the serving life of the products negatively.if there is special requirement to the installation position,please stress it and inform us.
2) to attain the excellent state of the variators, the common working speed should be chosen in the middle position,instead,it ismot appropriate to choose in the positions of min,or max.speed
3) if your requirements of worm gearbox or speed variator are different from shte standard products as in the catalogue,like:some portion that should be customized or mounted with special motors,please inform us in advance
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Industry |
|---|---|
| Hardness: | Hardened |
| Type: | Worm and Wormwheel |
| Rated Power: | 0.75kw |
| Input Speed: | 1400rpm |
| Speed Ratio: | 20 |
| Customization: |
Available
| Customized Request |
|---|
Calculating Gear Ratio in a Worm Reducer
The gear ratio in a worm reducer is determined by the number of teeth on the worm wheel (also known as the worm gear) and the number of threads on the worm shaft. The gear ratio formula for a worm reducer is:
Gear Ratio = Number of Teeth on Worm Wheel / Number of Threads on Worm Shaft
For example, if the worm wheel has 60 teeth and the worm shaft has a single thread, the gear ratio would be 60:1.
It’s important to note that worm reducers have an inherent self-locking property due to the angle of the worm threads. As a result, the gear ratio also affects the mechanical advantage and the system’s ability to resist backdriving.
When calculating the gear ratio, ensure that the worm reducer is properly designed and that the gear ratio aligns with the desired mechanical characteristics for your application. Additionally, consider factors such as efficiency, load capacity, and speed limitations when selecting a gear ratio for a worm reducer.
Worm Gearboxes in Conveyor Systems: Benefits and Considerations
Worm gearboxes play a crucial role in conveyor systems, offering several benefits and considerations for their effective integration:
- Space Efficiency: Worm gearboxes have a compact design, making them suitable for applications with limited space, such as conveyor systems.
- High Reduction Ratios: Worm gearboxes can achieve high reduction ratios in a single stage, allowing for slower conveyor speeds without sacrificing torque.
- Self-Locking: Worm gearboxes have inherent self-locking properties, preventing the conveyor from moving when the motor is not actively driving it.
- Directional Control: Worm gearboxes facilitate directional control, enabling the conveyor to move forward or reverse as needed.
- Low Noise: Worm gearboxes often produce lower noise levels compared to other gearbox types, contributing to quieter conveyor operation.
However, there are also considerations to keep in mind when using worm gearboxes in conveyor systems:
- Efficiency: Worm gearboxes may have lower mechanical efficiency compared to some other gearbox types, leading to energy losses.
- Heat Generation: Worm gearboxes can generate more heat due to sliding contact between the worm and gear, necessitating proper cooling mechanisms.
- Lubrication: Proper lubrication is critical to prevent wear and ensure efficient operation. Regular maintenance is required to monitor lubrication levels.
- Load and Speed: Worm gearboxes are well-suited for applications with high torque and low to moderate speed requirements. They may not be optimal for high-speed conveyors.
Before integrating a worm gearbox into a conveyor system, it’s important to carefully consider the specific requirements of the application, including load, speed, space constraints, and efficiency needs. Consulting with gearbox experts and manufacturers can help ensure the right choice for the conveyor’s performance and longevity.
What is a Worm Gearbox and How Does It Work?
A worm gearbox, also known as a worm gear reducer, is a mechanical device used to transmit rotational motion and torque between non-parallel shafts. It consists of a worm screw and a worm wheel, both of which have helical teeth. The worm screw resembles a threaded cylinder, while the worm wheel is a gear with teeth that mesh with the worm screw.
The working principle of a worm gearbox involves the interaction between the worm screw and the worm wheel. When the worm screw is rotated, its helical teeth engage with the teeth of the worm wheel. As the worm screw rotates, it translates the rotational motion into a perpendicular motion, causing the worm wheel to rotate. This perpendicular motion allows the worm gearbox to achieve a high gear reduction ratio, making it suitable for applications that require significant speed reduction.
One of the key features of a worm gearbox is its ability to provide a high gear reduction ratio in a compact design. However, due to the sliding nature of the meshing teeth, worm gearboxes may exhibit higher friction and lower efficiency compared to other types of gearboxes. Therefore, they are often used in applications where efficiency is not the primary concern but where high torque and speed reduction are essential, such as conveyor systems, elevators, automotive steering systems, and certain industrial machinery.
editor by CX 2024-04-04