Product Description
Features:
1. Modular design realizes variable combination.
2. Housing is made of cast iron, which improve its rigidity and anti-vibration.
3. Sun and planet gears are processed by cementite and hardening, gears are processed by grinding, which improve the efficiency and lifetime of gear units.
| Product description | |
| Installation types | 1. horizontal vertical, 2. torque-arm. |
| Input types: | coaxial input, helical gear input, bevel-helical gear input |
| Output types: | internal involutes spline, hollow shaft with shrink disk, external involutes spline, CHINAMFG shaft with flat key. |
| Speed reducing ratio: | 25-4000 |
| Transmission stage: | 2 stage /3 stage |
Eastwell P series planetary gear box, compared with the like common gear physical box, features stable transmission, high loading capacity, small size and high drive ratio. Additionally, it has long service life which reaches 1000Y, small size, and beautiful appearance.
Characteristic advantage
1.Compact structure.
2.CHINAMFG shaft or hollow shaft with shrink disc.
3.Progressive spline or flange shaft design.
4.High vibration resistance.
Specification parameter
Product type : parallel-axes and intersecting-axes planetary gear box.
Torque output : max torque output: 2.2 ~2,600 kNm.
Industrial Application
Power Plant Equipment
Metallurgical Industry
Metal Forming Machinery
Petrochemical Industry
Mining Machine
Hoisting Machinery
Construction Industry
Environmental Protection Industry
Cable Industry
Food Machinery
Certificates
Passed ” ISO 9001 International Quality System Certificate”,”Europe CE Certificate”, ” Swiss SGS Certificate”,”High-tech enterprise certificate of ZheJiang city”,”Excellent performance management enterprise of ZheJiang city”,etc.
FAQ
1. Q: Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
2. Q: Are you a factory or trading company?
A. We are manufacturer in ZheJiang China.
3. Q: What’s your MOQ?
A: One piece.
4. Q: What’s your production time?
A: 7-15 working days after receiving payment.
5. Q: What’s your payment terms?
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping.
6. Q: What’s your package?
A: In wooden box packaging.
Company Information:
ZheJiang CHINAMFG Gear Reducer Co.,Ltd., former a joint venture invested by is a ZheJiang CHINAMFG GROUP and Well Company of America.We are a large professional manufacturer &exporter of various gear reducers and specialize in the gear reducers area in China for 20 years. CHINAMFG has excellent R&D team,top-ranking production and test equipment.
We have strong power in the developing and manufacturing the standard type as well as the customized type gear reducer for customers.
We make and supply 6 series of speed reducer as follows:
EWK series helical-bevel gear reducers,
EWR series helical gear reducers,
EWF series helical gear reducers,
EWS series helical-worm gear reducers
HB series gearboxes,
P series planetary gear reducers,etc.
Our products have been exporting to many countries and regions, including but not limited Argentina , Brazil, Mexico, Columbia , Ecuador , USA, South Korea, Vietnam, Indonesia, Georgia, South Africa, China HK, China Taiwai.
Welcome to send enquiry and visit us in ZheJiang .
| Application: | Machinery |
|---|---|
| Function: | Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|
How do planetary gears handle changes in speed and torque distribution?
Planetary gears are capable of effectively handling changes in speed and torque distribution due to their unique design and configuration. Let’s explore how planetary gears handle these changes:
- Speed Changes:
Planetary gears can handle speed changes by utilizing the different gear ratios they offer. By adjusting the sizes and numbers of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be achieved. When the input speed is applied to the sun gear, it gets transmitted to the planet gears, resulting in a specific output speed. By changing the gear ratio, the output speed can be adjusted accordingly. This ability to vary the gear ratio allows planetary gears to adapt to different speed requirements in mechanical systems.
- Torque Distribution:
Planetary gears excel in distributing torque across multiple gear teeth, ensuring efficient torque transmission and load sharing. The planet gears are meshed with both the sun gear and the ring gear, enabling torque to be transmitted through multiple contact points simultaneously. This distributed torque distribution helps in reducing stress on individual gear teeth and enhances the overall torque-carrying capacity of the gear system. The load is shared among the planet gears, preventing excessive wear and minimizing the risk of gear failure.
- Torque Amplification:
Planetary gears can also handle torque amplification, allowing for increased torque output compared to the input torque. By fixing the ring gear and inputting power to the sun gear, the planet gears rotate and contribute to multiplying the torque. The arrangement of multiple gear sets in a compact design enables torque amplification, making planetary gears suitable for applications that require high torque output while maintaining a smaller physical size.
- Load Balancing:
Another aspect of torque distribution in planetary gears is load balancing. The planet gears distribute the load across multiple gear teeth, reducing the concentration of forces on individual teeth. This load balancing capability results in improved gear system durability and longevity. It also helps in minimizing vibration, noise, and wear, ensuring smoother and more reliable operation.
- Flexible Configuration:
Planetary gears offer flexibility in their configuration, allowing for the accommodation of changes in speed and torque distribution. The number of planet gears, the size of the gears, and their arrangement can be adjusted to meet specific application requirements. This flexibility enables planetary gears to handle a wide range of speed and torque variations, making them adaptable to different mechanical setups.
In summary, planetary gears handle changes in speed and torque distribution through their ability to adjust gear ratios, distribute torque across multiple gear teeth, amplify torque, balance loads, and accommodate flexible configurations. These characteristics make planetary gears suitable for applications that require precise control over speed and torque, efficient power transmission, and reliable performance.
Can planetary gears be used in aerospace and aviation applications?
Planetary gears find extensive use in aerospace and aviation applications due to their unique characteristics and advantages. Let’s explore how planetary gears can be utilized in the aerospace and aviation industry:
- Aircraft Engines:
Planetary gears play a crucial role in aircraft engines, especially in the reduction gearbox. The reduction gearbox connects the high-speed turbine shaft with the low-speed propeller shaft, allowing efficient power transmission while maintaining optimal propeller speed. Planetary gears within the reduction gearbox help achieve the required gear ratios and torque conversion, ensuring smooth and reliable engine operation.
- Landing Gear Systems:
Planetary gears are also utilized in landing gear systems of aircraft. These gears provide the necessary torque and force to retract and extend the landing gear during takeoff and landing. Planetary gears offer compactness, high torque capacity, and the ability to handle heavy loads, making them suitable for this critical application.
- Actuation Systems:
Actuation systems in aerospace and aviation, such as those used for flight control surfaces, also benefit from the use of planetary gears. These gears enable precise and reliable movement of control surfaces, such as ailerons, elevators, and rudders. Planetary gears’ ability to handle high torques, provide accurate positioning, and withstand varying loads makes them well-suited for actuation systems.
- Satellite and Spacecraft Mechanisms:
In satellite and spacecraft applications, planetary gears are utilized in various mechanisms. They can be found in solar array drives, antenna pointing systems, and deployment mechanisms for scientific instruments. Planetary gears offer compactness, high torque transmission, and the ability to handle the extreme conditions of space environments.
- Auxiliary Power Units (APUs):
APUs in aircraft are responsible for providing auxiliary power during ground operations and in-flight emergencies. Planetary gears are often employed in APU systems to transfer power from the engine to the auxiliary systems, such as electrical generators or hydraulic pumps. These gears ensure efficient power transmission and reliable operation of the APU.
In summary, planetary gears have significant applications in aerospace and aviation. They are utilized in aircraft engines, landing gear systems, actuation systems, satellite and spacecraft mechanisms, as well as auxiliary power units. The compact size, high torque capacity, precise positioning, and reliable operation of planetary gears make them well-suited for these critical applications in the aerospace and aviation industry.
What is a planetary gear and how does it work in mechanical systems?
A planetary gear, also known as an epicyclic gear, is a type of gear system used in mechanical systems to achieve various gear ratios and torque transmission. Let’s explore what a planetary gear is and how it works:
- Definition:
A planetary gear consists of three main components: a sun gear, planet gears, and a ring gear. The sun gear is located at the center and is typically driven by an input source, such as a motor or engine. The planet gears are gears that surround the sun gear and are connected to a carrier or arm. The ring gear is the outermost gear and meshes with the planet gears.
- Operation:
When the sun gear rotates, it drives the planet gears, causing them to rotate on their own axes while also orbiting around the sun gear. The planet gears are mounted on the carrier, which can rotate independently or be held stationary. As the planet gears rotate and orbit, they engage with the ring gear, which remains fixed or acts as the output. This interaction between the sun gear, planet gears, and ring gear allows for different gear ratios and torque transmission.
- Gear Ratios:
A key advantage of planetary gears is their ability to achieve multiple gear ratios within a compact design. By varying the number of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained. The gear ratio is determined by the ratio of the number of teeth between the sun gear and the ring gear, as well as the speed and direction of rotation of the sun gear.
- Applications:
Planetary gears are widely used in various mechanical systems and applications where precise control of speed, torque, and direction is required. They are commonly found in automotive transmissions, robotics, aerospace systems, industrial machinery, and more. Their compact size, high gear ratios, and torque-carrying capacity make them versatile and efficient in transmitting power.
In summary, a planetary gear is a gear system consisting of a sun gear, planet gears, and a ring gear. It operates by the rotation and orbiting of the planet gears around the sun gear, allowing for different gear ratios and torque transmission. Planetary gears find applications in a wide range of mechanical systems where precise control and efficient power transmission are necessary.
editor by CX 2023-10-08