China wholesaler 1st Stage Planetary Gear of Wind Tutbine 6X Gearbox hypoid bevel gear

Product Description

Machining Capability

Our Gear, Pinion Shaft, Ring Gear Capabilities: 

Capabilities of Gears/ Splines    
Item Internal Gears and Internal Splines External Gears and External Splines
Milled Shaped Ground Hobbed Milled Ground
Max O.D. 2500 mm
Min I.D.(mm) 30 320 20
Max Face Width(mm) 500 1480
Max DP 1 0.5 1 0.5
Max Module(mm) 26 45 26 45
DIN Class Level DIN Class 8 DIN Class 4 DIN Class 8 DIN Class 4
Tooth Finish Ra 3.2 Ra 0.6 Ra 3.2 Ra 0.6
Max Helix Angle ±22.5° ±45° 

 
Our Main Products
1. Spur Gear
2. Planetary Gear
3. Metal Gears
4. Gear Wheel
5. Ring Gear
6. Gear Shaft
7. Helical Gear
8. Pinion Gear
9. Spline Shaft

 

 

Company Profile

1. 21 years experience in high quality gear, gear shaft’s production, sales and R&D.

2. Our Gear, Gear Shaft are certificated by ISO9001: 2008 and ISO14001: 2004.

3. CHINAMFG has more than 50 patents in high quality Gear, Gear Shaft manufacturing.

4. CHINAMFG products are exported to America, Europe.

5. Experience in cooperate with many Fortune 500 Companies

Our Advantages

1) In-house capability: OEM service as per customers’ requests, with in-house tooling design & fabricating

2) Professional engineering capability: On product design, optimization and performance analysis

3) Manufacturing capability range: DIN 3960 class 8 to 4, ISO 1328 class 8 to 4, AGMA 2000 class 10-15, JIS 1702-1703 class 0 to 2, etc.

4) Packing: Tailor-made packaging method according to customer’s requirement

5) Just-in-time delivery capability

FAQ

1. Q: Can you make as per custom drawing?

A: Yes, we can do that.

2. Q: If I don’t have drawing, what can you do for me?
A: If you don’t have drawing, but have the sample part, you may send us. We will check if we can make it or not.

3. Q: How do you make sure the quality of your products?
A: We will do a series of inspections, such as:
A. Raw material inspection (includes chemical and physical mechanical characters inspection),
B. Machining process dimensional inspection (includes: 1st pc inspection, self inspection, final inspection),
C. Heat treatment result inspection,
D. Gear tooth inspection (to know the achieved gear quality level),
E. Magnetic particle inspection (to know if there’s any cracks in the gear).
We will provide you the reports 1 set for each batch/ shipment.   
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Wind Turbine
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Customization:
Available

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Customized Request

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

How do planetary gears handle variations in tooth engagement during operation?

Planetary gears are designed to handle variations in tooth engagement during operation, ensuring smooth and reliable performance. Let’s explore how planetary gears address these variations:

  • Tolerance for Misalignment:

Planetary gears are designed with a certain degree of tolerance for misalignment. This means that slight variations in tooth engagement due to manufacturing tolerances, assembly, or operating conditions are accommodated without causing significant impact on the gear system. The gear teeth are carefully designed with appropriate profiles, clearances, and backlash to allow for some degree of misalignment while maintaining proper functioning.

  • Load Distribution:

The arrangement of multiple planet gears in a planetary gear system helps distribute the load across multiple gear teeth. Each planet gear shares the load with the adjacent gears, reducing the stress on individual teeth and promoting even tooth engagement. This load distribution capability helps minimize localized wear, noise, and vibration, resulting in smoother and more efficient operation.

  • Flexible Mounting and Support:

Planetary gears are often mounted on flexible support structures, such as bearings or flexible couplings. These components help absorb and compensate for small variations in tooth engagement during operation. The flexible mounting and support systems provide some degree of flexibility and compliance, allowing the gears to self-adjust and maintain proper tooth contact under varying operating conditions.

  • Lubrication and Cooling:

Proper lubrication and cooling play a crucial role in handling variations in tooth engagement. Lubricants reduce friction and wear between gear teeth, ensuring smooth operation and minimizing the impact of tooth engagement variations. Additionally, effective cooling mechanisms help dissipate heat generated during operation, preventing excessive temperature rise that could affect the gear meshing performance.

  • Robust Construction:

Planetary gears are typically constructed using high-strength materials and precise manufacturing techniques. This robust construction enhances the gear system’s ability to withstand variations in tooth engagement. By ensuring high-quality gear components, proper heat treatment, and stringent quality control, planetary gears are built to handle the dynamic loads and variations encountered during operation.

In summary, planetary gears handle variations in tooth engagement through their tolerance for misalignment, load distribution among multiple planet gears, flexible mounting and support, effective lubrication and cooling, and robust construction. These design considerations and features enable planetary gears to maintain proper tooth contact, minimize wear and noise, and ensure reliable performance in various applications, including automotive transmissions, industrial machinery, and power transmission systems.

epicylic gear

What is a planetary gear and how does it work in mechanical systems?

A planetary gear, also known as an epicyclic gear, is a type of gear system used in mechanical systems to achieve various gear ratios and torque transmission. Let’s explore what a planetary gear is and how it works:

  • Definition:

A planetary gear consists of three main components: a 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.

  • Operation:

When the sun gear rotates, it drives the planet gears, causing them to rotate on their own axes while also orbiting around the sun gear. The planet gears are mounted on the carrier, which can rotate independently or be held stationary. As the planet gears rotate and orbit, they engage with the ring gear, which remains fixed or acts as the output. This interaction between the sun gear, planet gears, and ring gear allows for different gear ratios and torque transmission.

  • Gear Ratios:

A key advantage of planetary gears is their ability to achieve multiple gear ratios within a compact design. By varying the number of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained. The gear ratio is determined by the ratio of the number of teeth between the sun gear and the ring gear, as well as the speed and direction of rotation of the sun gear.

  • Applications:

Planetary gears are widely used in various mechanical systems and applications where precise control of speed, torque, and direction is required. They are commonly found in automotive transmissions, robotics, aerospace systems, industrial machinery, and more. Their compact size, high gear ratios, and torque-carrying capacity make them versatile and efficient in transmitting power.

In summary, a planetary gear is a gear system consisting of a sun gear, planet gears, and a ring gear. It operates by the rotation and orbiting of the planet gears around the sun gear, allowing for different gear ratios and torque transmission. Planetary gears find applications in a wide range of mechanical systems where precise control and efficient power transmission are necessary.

China wholesaler 1st Stage Planetary Gear of Wind Tutbine 6X Gearbox hypoid bevel gearChina wholesaler 1st Stage Planetary Gear of Wind Tutbine 6X Gearbox hypoid bevel gear
editor by CX 2023-09-28