Epicyclic gear train in helicopters




Epicyclic Gear Train in Helicopters

Epicyclic Gear Train in Helicopters

Epicyclic Gear Train in Helicopters

The epicyclic gear train also known as the planetary gear train is a gear system commonly used in helicopters. It is a compact, coaxial system consisting of a central sun gear, planet gears, a planet carrier and a ring gear. The components of an epicyclic gear train can be arranged in different configurations to achieve different gear ratios and torque outputs.

Components of Epicyclic Gear Train

The central sun gear is fixed and does not rotate. The planet gears are mounted on a planet carrier which rotates around the sun gear. The ring gear is an outer gear that meshes with the planet gears. The rotation of the planet gears around the sun gear and the rotation of the planet carrier around the sun gear causes the ring gear to rotate.

Working Principle of Epicyclic Gear Train

The epicyclic gear train works on the principle of planetary motion. As the planet carrier rotates, the planet gears revolve around the sun gear, causing them to rotate on their own axes. The planet gears also mesh with the ring gear, and as they rotate, they force the ring gear to rotate in the opposite direction.

Advantages of Epicyclic Gear Train

The epicyclic gear train has several advantages over other types of gear systems:

  • High gear ratios can be achieved in a small space.
  • Smooth and efficient power transmission.
  • Can handle high torque loads.
  • Low noise and vibration levels.
  • Easy to manufacture and assemble.

Applications of Epicyclic Gear Train

The epicyclic gear train is widely used in helicopters for several applications:

  • Transmission of power from the engine to the rotor system.
  • Control of pitch and yaw of the rotor blades.
  • Control of helicopter speed and direction.

Epicyclic Gear Train in Helicopters - Applications

Conclusion

The epicyclic gear train is an essential component in helicopters. It provides a compact, efficient, and reliable means of transmitting power from the engine to the rotor system, controlling the pitch and yaw of the rotor blades, and controlling the speed and direction of the helicopter.

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We are a leading player in the Gear market in China, offering a range of products including epicyclic drive, Epicyclic Gearing, planetary gear systems, planetary box, precision planetary gear motor, planetary gearhead, sun planet gear, planetary gearbox motor, and more. With 300 sets of automatic CNC production equipment and automatic assembly equipment, we are committed to providing high-quality products, competitive prices, and excellent customer service. We welcome customers to customize products according to their specific requirements.

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Author: Czh.


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