China Custom Mkg140, Gearbox, Planetary Gear, Gearheads cycle gear

Product Description

High precision
Standard backlash is 3 arc-min, ideal for precisioncontrol.
High rigidity & torque
High rigidity & high torque were achived by uncagedneedle roller bearings.
High load capacity
Adopting taper roller bearing for the main output shaftto increase radial and axial load.ЖFrame size 064·090 adopt ball bearing.
Adapter-bushing connection
Can be attached to any motor all over the world.
No grease leakagePerfect solution using high viscosity anti-separationgrease.
Maintenance-free
No need to replace the grease for the life of the unit.
Can be attached in any position.

Application areas: Industrial automation, supporting mobile robots, SCARA robots, parallel manipulators, printing machinery, laser cutting machines, packaging machinery, pharmaceutical machinery, pipe bending machines, spring machines, non-standard automation equipment and other industries

 

Planetary Gears – a masterclass for mechanical engineers

 

  • Planetary gear sets contain a central sun gear, surrounded by several planet gears, held by a planet carrier, and enclosed within a ring gear
  • The sun gear, ring gear, and planetary carrier form 3 possible input/outputs from a planetary gear set
  • Typically, 1 portion of a planetary set is held stationary, yielding a single input and a single output, with the overall gear ratio depending on which part is held stationary, which is the input, and which the output
  • Instead of holding any part stationary, 2 parts can be used as inputs, with the single output being a function of the 2 inputs
  • This can be accomplished in a two-stage gearbox, with the first stage driving 2 portions of the second stage. A very high gear ratio can be realized in a compact package. This kind of arrangement is sometimes called a ‘differential planetary’ set

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Application: Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 249/Piece
1 Piece(Min.Order)

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Customization:
Available

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epicylic gear

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.

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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.

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What is the purpose of using planetary gears in machinery?

Planetary gears serve several important purposes in machinery and mechanical systems. Let’s delve into the key purposes and benefits of using planetary gears:

  • Gear Ratio Variation:

One of the primary purposes of planetary gears is 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. This flexibility enables machinery to adapt to varying speed and torque requirements, allowing for precise control and efficient power transmission.

  • Torque Amplification:

Planetary gears are known for their ability to amplify torque. The arrangement of multiple gear sets in a compact design allows for torque multiplication. This can be particularly beneficial in applications where high torque is required while maintaining a smaller form factor. Planetary gears can efficiently transmit torque and handle heavy loads.

  • Compact Size:

Another advantage of planetary gears is their compact size. The internal gear meshing and the integration of multiple gear sets within a single gear system contribute to their space-saving design. This compactness is valuable in machinery where space constraints are a consideration, enabling the design of more compact and lightweight systems.

  • High Efficiency:

Planetary gears are known for their high efficiency in power transmission. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. This efficiency is crucial in machinery where energy conservation and optimization are important factors.

  • Directional Control:

Planetary gears allow for bidirectional power transmission. By controlling the direction of rotation of the input and output elements, the direction of rotation in the machinery can be easily changed. This feature is useful in applications that require reversing the direction of rotation or changing the rotational direction without the need for additional mechanisms.

  • Shock Absorption:

The arrangement of multiple gears in a planetary gear system provides inherent shock-absorbing capabilities. The distributed load between the gear teeth helps to dampen vibrations and absorb shocks, contributing to smoother operation and reduced wear on the system components.

  • Application Versatility:

Planetary gears find applications in a wide range of machinery and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of planetary gears stems from their ability to provide precise control, compactness, high torque transmission, and efficient power transmission.

In summary, the purpose of using planetary gears in machinery is to achieve variable gear ratios, amplify torque, maintain compact size, ensure high efficiency in power transmission, enable bidirectional control, absorb shocks, and provide versatility for various applications. The unique characteristics of planetary gears make them valuable components in diverse machinery and mechanical systems.

China Custom Mkg140, Gearbox, Planetary Gear, Gearheads cycle gearChina Custom Mkg140, Gearbox, Planetary Gear, Gearheads cycle gear
editor by Dream 2024-04-23