China OEM OEM Transmission Planetary Gearbox Reducer Gear Spur Gear spiral bevel gear

Product Description

Powder metallurgy gear for motor, transmission parts, gearbox gear ,speed reducer gear 

 

Product Name  powder metallurgy OEM gear 
Material Iron powder, alloy powder,precious metal powder
Technology Sintering – Powder Metallurgy
  Certificate ISO9001/TS16949
Surface Treatment High frequency quenching, oil impregnation,CNC,vacuum cleaning,polishing,
Apperance No crumbling, cracks, exfoliation, voids, metal pitting and other defects
 
Process Flow
Powder mixing – Forming – Sintering – Oil impregnation – Sizing -Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – Packing
Application Motorcycle parts, auto parts, Power Tools parts, Motor parts, electric Bicycle,

Why Powdered Metals?

Significant cost savings.
Create complex or unique shapes.
No or minimal waste during production.
High quality finished products.
Strength of materials.

Production process of powder metallurgy
Powder mixing – Forming – Sintering – Oil impregnation – Sizing -Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – Packing

Company Profile
JINGSHI established in 2007                                               
Manufacturer & Exporter                             
Exacting in producing powder metallurgy gears and parts    
Passed ISO/TS16949 Quality Certificate                  
Advanced Equipment                                
Numbers senior R & D engineers and Skilled operators      
Precise Examination Instruments.                        
Strict Quality Control                                 
With the “More diversity, More superior, More professional ” business purposes, we are committed to establish long-term friendship and CHINAMFG relationship with domestic and international customers to create a bright future .

Certification

Just contact with us with 2D or 3D drawing to start our cooperation!

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Sintered Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

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Customization:
Available

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epicylic gear

How do you calculate the gear ratio involving sun, planet, and ring gears?

The gear ratio in a planetary gear system can be calculated by considering the number of teeth on the sun gear, planet gears, and ring gear. The gear ratio determines the relationship between the input speed and the output speed of the system. Here’s how you can calculate the gear ratio:

  • Step 1: Count the Teeth:

Count the number of teeth on the sun gear (S), the planet gears (P), and the ring gear (R). These numbers represent the respective gear’s tooth count.

  • Step 2: Determine the Gear Arrangement:

Identify the gear arrangement. In a simple planetary gear system, the sun gear is at the center, surrounded by planet gears, and enclosed by the ring gear.

  • Step 3: Calculate the Gear Ratio:

The gear ratio (GR) can be determined using the formula:

GR = (R + P) / S

Where:

  • R represents the number of teeth on the ring gear
  • P represents the number of teeth on the planet gears (assuming they have the same number of teeth)
  • S represents the number of teeth on the sun gear

The resulting gear ratio represents the speed relationship between the input and output of the planetary gear system. A gear ratio greater than 1 indicates a speed reduction, while a gear ratio less than 1 indicates a speed increase.

It’s important to note that in more complex planetary gear systems, where there are multiple sets of planet gears or additional gears, the calculation of the gear ratio may involve considering multiple gear stages and their respective tooth counts.

In summary, to calculate the gear ratio involving sun, planet, and ring gears, you need to count the teeth on each gear and use the formula (R + P) / S, where R is the number of teeth on the ring gear, P is the number of teeth on the planet gears, and S is the number of teeth on the sun gear. This calculation provides the gear ratio that defines the speed relationship between the input and output of the planetary gear system.

epicylic gear

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.

epicylic gear

What industries commonly use planetary gears in their applications?

Planetary gears find applications in a wide range of industries and mechanical systems. Let’s explore some of the industries that commonly utilize planetary gears:

  • Automotive Industry:

The automotive industry extensively uses planetary gears in various applications. Planetary gears are commonly found in automatic transmissions, where they enable smooth gear shifting, provide different gear ratios, and transmit torque efficiently. They are also used in differential systems, allowing wheels to rotate at different speeds while maintaining power distribution.

  • Robotics and Automation:

Planetary gears play a crucial role in robotics and automation systems. They are employed in robotic joints and actuators to provide precise motion control, compact size, and high torque transmission. Planetary gears enable robotic arms to move accurately and handle heavy loads, making them essential components in industrial robots and robotic manipulators.

  • Aerospace and Aviation:

The aerospace and aviation industries utilize planetary gears in various applications. They are used in aircraft landing gear systems, where they provide reliable torque transmission and compact design. Planetary gears are also employed in aircraft engine systems, helicopter rotor systems, and satellite mechanisms due to their efficiency, high torque capacity, and ability to operate in space-restricted environments.

  • Power Generation:

Planetary gears are utilized in power generation equipment, including wind turbines and hydroelectric generators. In wind turbines, planetary gears enable the conversion of low-speed rotor rotation to high-speed generator rotation, ensuring efficient power generation. They are also employed in hydroelectric generators to transmit power from turbines to electrical generators, providing gear reduction and torque amplification.

  • Industrial Machinery:

Planetary gears are widely used in industrial machinery applications. They are found in heavy-duty machinery such as mining equipment, construction machinery, and material handling systems. Planetary gears provide high torque transmission, compactness, and durability, making them suitable for handling demanding tasks in industrial environments.

  • Marine and Shipbuilding:

The marine and shipbuilding industries employ planetary gears in various marine propulsion systems. They are used in marine engines, propeller systems, and thrusters. Planetary gears provide efficient power transmission, speed control, and compact design for propulsion systems in vessels ranging from small boats to large ships.

  • Medical Equipment:

In the medical field, planetary gears are utilized in various equipment and devices. They are found in medical imaging systems like CT scanners and MRI machines, providing precise motion control and reducing image distortion. Planetary gears are also used in surgical robots and medical devices that require compact size, high torque, and accurate positioning.

These are just a few examples of the industries that commonly use planetary gears in their applications. The versatility, efficiency, and compactness of planetary gears make them suitable for a broad range of industries where precise motion control, torque transmission, and space-saving design are essential requirements.

China OEM OEM Transmission Planetary Gearbox Reducer Gear Spur Gear spiral bevel gearChina OEM OEM Transmission Planetary Gearbox Reducer Gear Spur Gear spiral bevel gear
editor by CX 2023-11-14