Product Description
Product Description
Planetary Gear Stepping Motor :
Precision high-end upgrade with Nema8, Nema 11, Nema14, Nema 17, Nema23, Nema 24
stepper motor; low noise, low vibration, firm and durable. Increase torque at low speed.
Reduction ratio:1:3.7 , 1:5.2 , 1:14 , 1:19 ,1:27 ,1:51 , 1:71 ,1:100 ,1:139 , 1:189 ,1:264 , 1:369 ,And 48 hours delivery , in stock .
Application:
Automation control, medical equipment, textile machinery,and packaging machinery fields. Not only in the field of the automation industry, it also has a good use status in the home. Products with low speed and inertia are often seen: electric curtains, electric shutters, etc.
Product Parameters
Planetary Gear Box Specification:
| Housing Material | Metal |
| Bearing at Output | Ball Bearings |
| Max.Radial Load(10mm from flange) | 50N |
| Max.Shaft Axial Load | 30N |
| Radial Play of Shaft (near to Flange) | ≤0.08mm |
| Axial Play of Shaft | ≤0.3mm |
| Backlash at No-load | 1 stage≤1°,2stage≤1.2°,3stage≤1.5° |
20HS Hybrid Stepping Motor Specifications:
20HS1450 Planetary Gearbox Motor Specifications: |
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| Reduction ratio | 3.71 | 5.18 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 | 369 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Height(L1+L2) (mm) | 53.4 | 53.4 | 60 | 60 | 60 | 66.4 | 66.4 | 66.4 | 66.4 | 72.8 | 72.8 | 72.8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Output torque ( mN.m) | 50 | 70 | 170 | 231 | 328 | 558 | 777 | 1095 | 1522 | 1871 | 2000 | 2000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total Weight(g) | 91 | 91 | 97 | 97 | 97 | 103 | 103 | 103 | 103 | 109 | 109 | 109 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Number of gear trains | 1 | 2 | 3 | 4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reducer Length(L2) (mm) | 23.4 | 30.0 | 36.4 | 42.8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Efficiency | 90% | 81% | 73% | 66% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 20HS6401 Planetary Gearbox Motor Specifications: | ||||||||||||
| Reduction ratio | 3.71 | 5.18 | 14 | 19 | 27 | 51 | 71 | 100 | 139 | 189 | 264 | 369 |
| Total Height(L1+L2) (mm) | 64.4 | 64.4 | 71 | 71 | 71 | 77.4 | 77.4 | 77.4 | 77.4 | 83.8 | 83.8 | 83.8 |
| Output torque ( mN.m) | 100 | 140 | 340 | 462 | 656 | 1117 | 1555 | 2000 | 2000 | 2000 | 2000 | 2000 |
| Total Weight(g) | 131 | 131 | 137 | 137 | 137 | 143 | 143 | 143 | 143 | 149 | 149 | 149 |
| Number of gear trains | 1 | 2 | 3 | 4 | ||||||||
| Reducer Length(L2) (mm) | 23.4 | 30 | 36.4 | 42.8 | ||||||||
| Efficiency | 90% | 81% | 73% | 66% | ||||||||
Detailed Photos
| Application: | Automation Control, Medical Equipment, Textile Mac |
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| Speed: | Variable Speed |
| Number of Stator: | Two-Phase |
| Excitation Mode: | HB-Hybrid |
| Function: | Control, Driving |
| Number of Poles: | 2 |
| Samples: |
US$ 42/Piece
1 Piece(Min.Order) | |
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| Customization: |
Available
| Customized Request |
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What is the significance of the gear ratio in planetary gear arrangements?
The gear ratio plays a significant role in planetary gear arrangements, offering several key advantages and applications. Let’s explore the significance of the gear ratio:
- Speed Control:
The gear ratio in planetary gear arrangements allows for precise speed control. By adjusting the sizes and numbers of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be achieved. The gear ratio determines the relationship between the input speed and the output speed. By changing the gear ratio, the speed of the output shaft can be increased or decreased relative to the input speed. This speed control capability is crucial in various applications, such as automotive transmissions, industrial machinery, and robotics, where specific speed requirements are necessary for optimal performance.
- Torque Amplification:
The gear ratio also enables torque amplification in planetary gear arrangements. By fixing the ring gear and inputting power to the sun gear, the planet gears rotate and contribute to multiplying the torque. The gear ratio determines the extent of torque amplification. This torque amplification feature is beneficial in applications that require higher torque output while maintaining a smaller physical size. It allows for increased torque transmission without the need for larger and heavier gear systems.
- Multiple Speeds:
Another significance of the gear ratio is the ability to achieve multiple speeds within a single gear system. Planetary gears offer the advantage of having multiple gear sets within a compact arrangement. By combining different gear ratios using various combinations of sun gears, planet gears, and ring gears, it is possible to obtain multiple output speeds. This versatility is useful in applications that require variable speed control or the ability to switch between different operational modes.
- Power Distribution:
The gear ratio also influences power distribution in planetary gear arrangements. As torque is transmitted through the gears, the gear ratio determines how the power is distributed among the different components. By adjusting the gear ratio, it is possible to distribute power more evenly or concentrate it on specific gear elements. This power distribution capability allows for optimized performance and load-sharing in the gear system.
- Efficiency and Mechanical Advantage:
The gear ratio affects the efficiency and mechanical advantage of planetary gear arrangements. The gear ratio determines the trade-off between speed and torque. Increasing the gear ratio results in higher torque output but lower speed, while decreasing the gear ratio yields higher speed but lower torque. By selecting the appropriate gear ratio, it is possible to achieve the desired balance between speed and torque while maximizing the overall efficiency of the system.
In summary, the gear ratio in planetary gear arrangements is significant for speed control, torque amplification, achieving multiple speeds, power distribution, efficiency, and mechanical advantage. Understanding and selecting the appropriate gear ratio is crucial for optimizing performance and meeting the specific requirements of different mechanical setups.
What are the considerations for lubrication and maintenance of planetary gears?
Proper lubrication and maintenance are crucial for the reliable and efficient operation of planetary gears. Let’s explore the key considerations for lubrication and maintenance:
- Lubrication:
Effective lubrication is essential to reduce friction, wear, and heat generation in planetary gears. Consider the following aspects:
- Lubricant Selection:
Choose a lubricant specifically designed for gear systems with the appropriate viscosity and additives to ensure proper film formation and protection against wear. Consult the manufacturer’s recommendations or industry standards for suitable lubricants.
- Lubricant Contamination:
Prevent contamination of the lubricant by keeping the gear system clean and free from debris, dust, and moisture. Use proper sealing techniques and consider filtration systems to maintain the lubricant’s cleanliness and performance.
- Lubrication Frequency:
Follow the recommended lubrication intervals provided by the equipment manufacturer. Factors such as operating conditions, load, and temperature can affect the lubrication frequency. Regularly monitor the lubricant condition and conduct oil analysis to determine if lubricant replacement or additional lubrication is required.
- Maintenance:
Regular maintenance helps ensure the longevity and optimal performance of planetary gears. Consider the following maintenance aspects:
- Inspection:
Periodically inspect the gear system for signs of wear, damage, misalignment, or abnormal noise. Detecting issues at an early stage allows for timely maintenance and prevents further damage.
- Alignment:
Proper alignment of the gear components is crucial to distribute the load evenly and prevent premature wear. Regularly check and adjust the gear alignment as per the manufacturer’s specifications.
- Torque and Load:
Ensure that the gear system operates within the recommended torque and load limits. Excessive loads can lead to increased wear and decreased gear life. Consider the application requirements and ensure the gear system is appropriately sized and rated.
- Temperature:
Monitor the operating temperature of the gear system. Excessive heat can degrade the lubricant’s performance and accelerate wear. Proper cooling mechanisms, such as fans or heat exchangers, may be required in high-temperature environments.
In summary, proper lubrication and maintenance are essential for planetary gears. Choose suitable lubricants, prevent contamination, follow recommended lubrication intervals, inspect for wear, ensure proper alignment, consider torque and load limits, monitor operating temperature, and conduct regular maintenance. By adhering to these considerations, you can prolong the lifespan, enhance performance, and minimize the risk of gear failure in planetary gear systems.
How do planetary gears contribute to power transmission and gear reduction?
Planetary gears play a significant role in power transmission and gear reduction. Let’s explore how planetary gears contribute to these aspects:
- Torque Amplification:
One of the key contributions of planetary gears is torque amplification. The arrangement of multiple gear sets in a compact design allows for torque multiplication. When the input power is applied to the sun gear, it drives the rotation of the planet gears. The planet gears, in turn, mesh with the ring gear, creating a mechanical advantage that amplifies the torque output. This torque amplification is beneficial in applications where high torque is required while maintaining a smaller form factor.
- Gear Ratio Variation:
Another contribution of planetary gears is their ability to achieve different gear ratios. By varying the number of teeth on the sun gear, planet gears, and ring gear, a wide range of gear ratios can be obtained. The gear ratio is determined by the relative sizes of the gears and the number of teeth on each gear. This flexibility in gear ratios allows machinery to adapt to varying speed and torque requirements, enabling precise control and efficient power transmission.
- Gear Reduction:
Planetary gears are commonly used for gear reduction applications. Gear reduction refers to the process of reducing the rotational speed and increasing the torque output of a power source. In a planetary gear system, gear reduction is achieved by fixing the ring gear and allowing the sun gear to rotate as the input. The rotation of the sun gear drives the planet gears, which in turn rotate the output carrier or arm. The output speed is slower than the input speed, resulting in gear reduction. This gear reduction capability is valuable in various applications, such as automotive transmissions and power transmission systems.
- Efficient Power Transmission:
Planetary gears are known for their efficient power transmission capabilities. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. The load is shared among the planet gears, allowing for higher torque capacity and reduced wear on individual gear teeth. This efficient power transmission ensures that a significant portion of the input power is effectively transmitted to the output, making planetary gears suitable for applications where energy conservation and optimization are crucial.
In summary, planetary gears contribute to power transmission and gear reduction through torque amplification, gear ratio variation, gear reduction mechanism, and efficient power transmission. The ability to amplify torque, achieve different gear ratios, and transmit power efficiently makes planetary gears widely used in various industries and mechanical systems.
editor by CX 2023-11-02