China high quality Planetary Winch Drive Slew Gear Housing Reducer Gearbox Small Wind Turbine Hollow Shaft High Torque Motors Bevel 2 Speed Multi Stage Inline Epicyclic Hydraulic spiral bevel gear

Product Description

Planetary Winch Drive Slew Gear Housing Reducer Gearbox Small Wind Turbine Hollow Shaft High Torque Motors Bevel 2 Speed Multi Stage Inline Epicyclic Hydraulic

1. The wide and comprehensive range of N series for industrial applications
2. Low-speed shaft design: Cylindrical with key, splined, hollow with shrink disc or splined hollow shaft
3. Rigid and precise nodular cast iron casing
4. Low noise running, high manufacturing quality standard
5. High and reliable performance, load capacity and low-speed shaft bearing

 

Please click here for more types!
 

Application

 

Our factory

 

Related Products

 

For more reducers and mechanical accessories, please click here to view

 

 

 

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Speed Changing, Speed Reduction
Layout: Wrom
Hardness: Hardened Tooth Surface
Installation: Planetary
Step: Planetary

epicyclic gear

How do epicyclic gears contribute to gear reduction and speed increase?

Epicyclic gears, also known as planetary gears, play a significant role in achieving gear reduction and speed increase in various mechanical systems. Here’s a detailed explanation:

1. Gear Reduction:

Epicyclic gears can achieve gear reduction by utilizing their unique gear arrangement. The gear reduction is achieved by fixing or holding certain components of the gear system, such as the ring gear or the planet carrier, while the input and output shafts rotate. This causes the sun gear to drive the planet gears, resulting in a reduction of output speed and an increase in torque. The gear ratio formula for gear reduction in an epicyclic gear system is R = (1 + S) / (1 + R), where R is the number of teeth on the ring gear and S is the number of teeth on the sun gear.

2. Speed Increase:

Epicyclic gears can also be used to achieve speed increase when certain components of the gear system are held fixed or driven while the output shaft rotates. In this configuration, the input torque is divided among multiple planet gears, which rotate around the sun gear and drive the output shaft. This results in an increase in output speed and a decrease in torque. The gear ratio formula for speed increase in an epicyclic gear system is R = (1 + R) / (1 + S), where R is the number of teeth on the ring gear and S is the number of teeth on the sun gear.

3. Multiple Stages:

Epicyclic gears can achieve higher gear reduction or speed increase by incorporating multiple stages within a single gear system. Each stage consists of a set of gears, including a sun gear, planet gears, and a ring gear. The output of one stage becomes the input for the next stage, allowing for a cumulative effect on the gear ratio. By stacking multiple stages, the overall gear reduction or speed increase can be multiplied, providing a wide range of gear ratios to suit different application requirements.

4. Customizable Gear Ratios:

Epicyclic gears offer flexibility in achieving customizable gear ratios. By varying the number of teeth on the gears or using different combinations of gears, specific gear ratios can be obtained to meet the needs of the application. This customization capability allows for optimized speed control, gear reduction, and torque multiplication, making epicyclic gears versatile in a wide range of mechanical systems.

5. Compact Design:

Epicyclic gears contribute to gear reduction and speed increase while maintaining a compact design. The concentric arrangement of gears and the ability to achieve multiple gear stages within a single gear system result in a smaller overall footprint compared to other gear arrangements. This compact design is particularly useful in space-constrained applications where achieving high gear reduction or speed increase is essential.

In summary, epicyclic gears contribute to gear reduction and speed increase through their unique gear arrangement, multiple stages, customizable gear ratios, and compact design. These features make them widely used in various mechanical systems, such as automotive transmissions, industrial machinery, and robotics, where efficient power transmission and speed control are crucial.

epicyclic gear

What is the effect of various planetary gear arrangements on gear ratios?

The arrangement of planetary gears in an epicyclic gear system can have different effects on the resulting gear ratios. Here’s a detailed explanation:

1. Simple Planetary Gear:

In a simple planetary gear arrangement, the sun gear is the input, the ring gear is the output, and the planet gears are held stationary or act as idlers. The gear ratio in this configuration is determined by the number of teeth on the sun gear and the ring gear. The gear ratio formula can be expressed as R = (1 + S) / S, where R is the gear ratio and S is the number of teeth on the sun gear.

2. Compound Planetary Gear:

A compound planetary gear arrangement includes multiple sets of planetary gears. This arrangement can achieve higher gear ratios by utilizing multiple gear stages. Each stage consists of a sun gear, planet gears, and a ring gear. The output of one stage becomes the input for the next stage, resulting in a cumulative gear ratio. The overall gear ratio is the product of the individual gear ratios of each stage.

3. Multi-Stage Planetary Gear:

A multi-stage planetary gear arrangement combines multiple simple or compound planetary gearsets in series. Each gearset has its own gear ratio, and the output of one gearset becomes the input for the next gearset. This arrangement allows for even higher gear ratios by multiplying the individual gear ratios of each gearset. The overall gear ratio is the product of the gear ratios of all the gearsets.

4. Ravigneaux Planetary Gear:

A Ravigneaux planetary gear arrangement consists of two sets of planetary gears, with one set acting as a compound gear. This arrangement allows for different gear ratios depending on the engagement of clutches or brakes. By selectively engaging or disengaging certain elements, different gear ratios can be achieved, providing versatility in speed control and gear reduction.

5. Simpson Planetary Gear:

A Simpson planetary gear arrangement consists of three sets of planetary gears. It offers multiple gear ratios by selectively engaging or disengaging clutches or brakes on different gear elements. This arrangement provides a range of gear ratios and allows for more flexibility in speed control and power transmission.

6. Hybrid Planetary Gear:

A hybrid planetary gear arrangement combines different types of planetary gearsets, such as compound, Ravigneaux, or Simpson. This arrangement offers a wide range of gear ratios and allows for more complex speed control and power transmission requirements.

In summary, the various planetary gear arrangements, including simple, compound, multi-stage, Ravigneaux, Simpson, and hybrid, have different effects on gear ratios. These arrangements enable the achievement of specific gear ratios, cumulative gear ratios, or a combination of different gear ratios, providing versatility in speed control, gear reduction, and power transmission in a wide range of applications.

epicyclic gear

What is an epicyclic gear and how does it function?

An epicyclic gear, also known as a planetary gear, is a gear system that consists of one or more outer gears, an inner gear, and a central gear, known as a sun gear. Here’s a detailed explanation of how it functions:

1. Gear Arrangement:

In an epicyclic gear system, the sun gear is located at the center and is surrounded by multiple outer gears, also called planet gears. The planet gears are typically mounted on a carrier, which allows them to rotate around the central sun gear.

2. Gear Engagement:

The teeth of the planet gears mesh with both the sun gear and an outer ring gear, also known as the annular gear. The annular gear has internal teeth that engage with the planet gears and external teeth that provide the outer boundary of the gear system.

3. Input and Output:

The input and output connections can be achieved in different ways depending on the design. Typically, the sun gear serves as the input shaft, while the carrier or the annular gear acts as the output shaft. The rotation of the input shaft (sun gear) causes the planet gears to orbit around it and rotate, resulting in the output shaft’s motion.

4. Gear Ratios:

An essential feature of epicyclic gears is their ability to provide different gear ratios by changing the arrangement of the gears. By holding one component stationary, such as fixing the annular gear or the carrier, and driving another component, the gear system can achieve various speed and torque combinations.

5. Gear Functions:

Epicyclic gears have several useful functions in mechanical systems, including:

  • Speed reduction: By fixing the sun gear and rotating the carrier or the annular gear, the output speed can be reduced compared to the input speed.
  • Speed increase: By fixing the carrier or the annular gear and rotating the sun gear, the output speed can be increased compared to the input speed.
  • Directional changes: Changing the gear engagement arrangement allows reversing the direction of rotation between the input and output shafts.
  • Torque multiplication: By utilizing the gear ratios, an epicyclic gear system can multiply or divide the torque between the input and output shafts, providing mechanical advantage.
  • Braking: By holding specific components, such as the sun gear or the carrier, the gear system can act as a brake, preventing rotation or controlling the speed of the output shaft.

Epicyclic gears find applications in various mechanical systems, including automotive transmissions, gearboxes, power tools, and robotics, due to their compact size, versatility, and ability to achieve multiple gear ratios within a single gear system.

China high quality Planetary Winch Drive Slew Gear Housing Reducer Gearbox Small Wind Turbine Hollow Shaft High Torque Motors Bevel 2 Speed Multi Stage Inline Epicyclic Hydraulic spiral bevel gearChina high quality Planetary Winch Drive Slew Gear Housing Reducer Gearbox Small Wind Turbine Hollow Shaft High Torque Motors Bevel 2 Speed Multi Stage Inline Epicyclic Hydraulic spiral bevel gear
editor by CX 2023-10-08