Product Description
Wholesales Price Ratio 50:1 Low Noise Motor Planetary Gearbox Reducer
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Product Description
Description:
(1).The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
(2).Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.
(3).The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
(4).The gear is made of Japanese imported material.After the metal cutting process,the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
(5).Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
Characteristics:
1.Hole output structure,easy installation.
2.Straight tooth drive ,single cantilever structure.simple design,economic price.
3.Working steady. Low noise.
4.Low return backlash. Can suit most occasion.
5.The input connection specifications are complete and there are many choices.
6.Keyway can be opened in the force shaft.
7.Square mount flange output,high precision,high torque.
8.Speed ratio range:3-100
9.Precision range:8-16arcmin
10.Size range:60-160mm
Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
Technal Parameters | |||||||||
Max. Torque | Nm | 1.5times rated torque | |||||||
Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
Average Life Time | h | 20000 | |||||||
Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
L2 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
P2 | L1 | arcmin | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
L2 | arcmin | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.7 |
4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
Degree Of Protection | IP65 | ||||||||
Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 |
Company Profile
Packaging & Shipping
1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT
FAQ
1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese
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Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile Machinery |
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Function: | Change Drive Direction, Speed Changing, Speed Reduction |
Layout: | Coaxial |
Hardness: | Hardened Tooth Surface |
Installation: | Vertical Type |
Step: | Single-Step |
Samples: |
US$ 2105/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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Impact of Gear Tooth Design and Profile on the Efficiency of Planetary Gearboxes
The design and profile of gear teeth have a significant impact on the efficiency of planetary gearboxes:
- Tooth Profile: The tooth profile, such as involute, cycloid, or modified profiles, affects the contact pattern and load distribution between gear teeth. An optimized profile minimizes stress concentration and ensures smooth meshing, contributing to higher efficiency.
- Tooth Shape: The shape of gear teeth influences the amount of sliding and rolling motion during meshing. Gear teeth designed for more rolling and less sliding motion reduce friction and wear, enhancing overall efficiency.
- Pressure Angle: The pressure angle at which gear teeth engage affects the force distribution and efficiency. Larger pressure angles can lead to higher efficiency due to improved load sharing, but they may require more space.
- Tooth Thickness and Width: Optimized tooth thickness and width contribute to distributing the load more evenly across the gear face. Proper sizing reduces stress and increases efficiency.
- Backlash: Backlash, the gap between meshing gear teeth, impacts efficiency by causing vibrations and energy losses. Properly controlled backlash minimizes these effects and improves efficiency.
- Tooth Surface Finish: Smoother tooth surfaces reduce friction and wear. Proper surface finish, achieved through grinding or honing, enhances efficiency by reducing energy losses due to friction.
- Material Selection: The choice of gear material influences wear, heat generation, and overall efficiency. Materials with good wear resistance and low friction coefficients contribute to higher efficiency.
- Profile Modification: Profile modifications, such as tip and root relief, optimize tooth contact and reduce interference. These modifications minimize friction and increase efficiency.
In summary, the design and profile of gear teeth play a crucial role in determining the efficiency of planetary gearboxes. Optimal tooth profiles, shapes, pressure angles, thicknesses, widths, surface finishes, and material selections all contribute to reducing friction, wear, and energy losses, resulting in improved overall efficiency.
Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment
Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:
High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.
Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.
Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.
Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.
Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.
Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.
Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.
Energy Efficiency of a Worm Gearbox: What to Expect
The energy efficiency of a worm gearbox is an important factor to consider when evaluating its performance. Here’s what you can expect in terms of energy efficiency:
- Typical Efficiency Range: Worm gearboxes are known for their compact size and high gear reduction capabilities, but they can exhibit lower energy efficiency compared to other types of gearboxes. The efficiency of a worm gearbox typically falls in the range of 50% to 90%, depending on various factors such as design, manufacturing quality, lubrication, and load conditions.
- Inherent Losses: Worm gearboxes inherently involve sliding contact between the worm and worm wheel. This sliding contact generates friction, leading to energy losses in the form of heat. The sliding action also contributes to lower efficiency when compared to gearboxes with rolling contact.
- Helical-Worm Design: Some manufacturers offer helical-worm gearbox designs that combine elements of helical and worm gearing. These designs aim to improve efficiency by incorporating helical gears in the reduction stage, which can lead to higher efficiency compared to traditional worm gearboxes.
- Lubrication: Proper lubrication plays a significant role in minimizing friction and improving energy efficiency. Using high-quality lubricants and ensuring the gearbox is adequately lubricated can help reduce losses due to friction.
- Application Considerations: While worm gearboxes might have lower energy efficiency compared to other types of gearboxes, they still offer advantages in terms of compactness, high torque transmission, and simplicity. Therefore, the decision to use a worm gearbox should consider the specific requirements of the application, including the trade-off between energy efficiency and other performance factors.
When selecting a worm gearbox, it’s essential to consider the trade-offs between energy efficiency, torque transmission, gearbox size, and the specific needs of the application. Regular maintenance, proper lubrication, and selecting a well-designed gearbox can contribute to achieving the best possible energy efficiency within the limitations of worm gearbox technology.
editor by CX 2024-05-10