China best Speed Reducer Industrial Planetary Gearbox Gear Unit Application for Crusher with high quality

Product Description

Speed Reducer Industrial Planetary Gearbox Gear Unit Application For Crusher

Key feature:

  • Planetary gearbox is produced by modular design, and can be combined according to client’s request
  • Involuted planetary gear design
  •  Nodular cast iron Housing to increase rigidity and antiknock
  • Heavy duty bearing on low‐speed shaft, and can bear big radial load due to proportionate distribution of   torque
  • All gears are case hardened to get high surface hardness, which guarantee transmission efficiency and whole gearbox’s life
  • Planetary gearbox has 16 models for different torque range, and each model have 1‐5 reduction stages to achieve different ratios
  • Ratio range: 3.15‐9N. M
  • Output speed: 0.425‐445 r/min
  • Structure mode: Possibility of flange, foot, or shaft mounting solutions
  • Wide and comprehensive range of N series for industrial applications
  • Low speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
  • Rigid and precise nodular cast iron casing
  • Low noise running, high manufacturing quality standard
  • High and reliable performance, load capacity and low speed shaft bearing

N series planetary gearbox torque sheet with models

Gear unit size 200 201 240 241 280 281 353/354 355 400 401
Normal output torque
1500 2000 3500 4000 4300 7300 13000 16000 20000 23000
Gear unit size 428 429 445 446 510 542 543 695 810 885
Normal output torque
26000 30000 32000 43000 63000 75000 100000 150000 300000 420000



Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened
Installation: Foot Mounted
Step: Three-Step


Customized Request

epicylic gear

Can planetary gears be used in automotive applications?

Planetary gears are widely used in various automotive applications due to their numerous advantages. Let’s explore how planetary gears can be utilized in the automotive industry:

  • Automatic Transmissions:

One of the primary applications of planetary gears in automobiles is in automatic transmissions. Automatic transmissions use a combination of planetary gear sets to achieve different gear ratios, allowing for smooth and efficient shifting between gears. The compact size and high torque capacity of planetary gears make them well-suited for this purpose, providing reliable and efficient power transmission in vehicles.

  • Four-Wheel Drive Systems:

Planetary gears are also employed in four-wheel drive systems, where they help distribute power between the front and rear wheels. By utilizing planetary gear arrangements, the torque can be split between the front and rear axles, providing improved traction and stability on various road conditions. This allows vehicles to have enhanced off-road capabilities and better performance in challenging driving situations.

  • Hybrid and Electric Vehicles:

Planetary gears play a crucial role in hybrid and electric vehicle powertrains. In these vehicles, planetary gear sets are often used to combine the power from the internal combustion engine and the electric motor. The gear arrangement allows for seamless transitions between different power sources, enabling efficient energy management and optimized performance.

  • Start-Stop Systems:

Start-stop systems, which automatically shut off the engine when the vehicle is stationary and restart it when needed, often incorporate planetary gears. These gears help engage and disengage the engine from the drivetrain smoothly, ensuring a quick and seamless transition between the engine’s off and on states. Planetary gears contribute to the overall efficiency and reliability of start-stop systems.

  • Power Steering:

Some power steering systems in automobiles utilize planetary gears to provide assistance in steering. These gears help amplify the driver’s input torque, making steering easier and more responsive. The compact size and high torque capacity of planetary gears make them suitable for power steering applications.

In summary, planetary gears find extensive use in automotive applications, including automatic transmissions, four-wheel drive systems, hybrid and electric vehicle powertrains, start-stop systems, and power steering. Their compact size, high torque capacity, and ability to achieve multiple gear ratios make them well-suited for these applications, providing efficient power transmission, improved performance, and enhanced driving experience in vehicles.

epicylic gear

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.

epicylic gear

Can you explain the unique design and structure of planetary gears?

Planetary gears possess a unique design and structure that sets them apart from other gear systems. Let’s explore the distinctive features of the design and structure of planetary gears:

  • Components:

A planetary gear system consists of three main components: the 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.

  • Internal Gear Meshing:

One of the distinguishing features of planetary gears is their internal gear meshing. Unlike other gear systems where the gears mesh externally, the teeth of the sun gear, planet gears, and ring gear are located on the inside surfaces. This arrangement allows for a compact and space-efficient design.

  • Orbiting Motion:

In planetary gears, the planet gears exhibit both rotational and orbital motion. While they rotate on their own axes, they also orbit around the sun gear. This combination of rotational and orbital movement enables the gear system to achieve different gear ratios and torque transmission.

  • Central Sun Gear:

The presence of a central sun gear is another characteristic of planetary gears. The sun gear is positioned at the center of the gear arrangement and serves as the primary driver for the overall gear operation. It receives the input power and transmits it to the planet gears.

  • Versatile Gear Ratios:

Planetary gears are capable of achieving a wide range of gear ratios. The gear ratio is determined by the relative sizes of the gears and the number of teeth on each gear. By varying the number of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained, providing versatility in speed reduction or amplification.

  • Load Distribution:

The arrangement of multiple planet gears in a planetary gear system helps distribute the load among the gears. This load distribution results in efficient torque transmission and enhanced durability. It also contributes to shock absorption and noise reduction during gear operation.

  • Compact Size:

Planetary gears are known for their compact size. The internal gear meshing and the integration of multiple gear sets within a single system contribute to their space-saving design. The compactness of planetary gears is advantageous in applications where size and weight restrictions are critical.

  • Wide Range of Applications:

Due to their unique design and structural characteristics, planetary gears find applications in various industries and mechanical systems. They are commonly used in automotive transmissions, robotics, aerospace systems, industrial machinery, and more. The ability to achieve different gear ratios, transmit torque efficiently, and operate in compact spaces makes planetary gears versatile in transmitting power.

In summary, the unique design and structure of planetary gears include components such as the sun gear, planet gears, and ring gear, internal gear meshing, orbiting motion of the planet gears, a central sun gear, versatile gear ratios, load distribution, compact size, and wide-ranging applications. These features contribute to the efficiency, versatility, and space-saving nature of planetary gears, making them suitable for various mechanical systems.

China best Speed Reducer Industrial Planetary Gearbox Gear Unit Application for Crusher with high qualityChina best Speed Reducer Industrial Planetary Gearbox Gear Unit Application for Crusher with high quality
editor by CX 2023-09-15