Product Description
Customized Wheel Transmission Starter Shaft Spline Pinion Planetary Sun Drive Spur Gear
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Material |
S45C steel, Stainless steel 304, Plastic, Brass, 42CrMo,20CrMnTi and so on |
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Heat treatment |
Hardening and Tempering, High Frequency Quenching,Carburizing etc |
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Surface treatment |
Blacking, Polishing, Anodization, Chrome Plating, Zinc Plating, Nickel Plating |
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Application |
Precision cutting machines. Lathes. Milling machines. Grinders. Automated mechanical systems. Automated warehousing systems. |
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Machining process: |
Hobbing, Milling, Drilling, Shaving, Grinding |
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1. Type: spur gear, helical gear, bevel gear, worm gear, ring gear etc.
2. Material: carbon steel, alloy steel, stainless steel, nylon, POM , plastic
3. Treatment: teeth hardened, zinc, quenching, black oxide, color zinc
4. OEM & Standard:Standard size according to the catalog.OEM size, hub, hole, keyway and
set screw, all can produce according to your drawing.
5. Gear drive advantages:High transmission accuracy, high transmission efficiency, reliable work
and long service life.
Our Service:
1. Competitive price
2. High quality products
3. OEM service
4. 24 hours online service
5. Professional technical service
6. Sample available
1. We are a professional manufacturer specializing in manufacturing various metal parts, including
CNC precision automatic lathe machined parts, automatic lathe parts, milling machined parts, wire
cutting machined parts etc.
2.With experienced technical engineers and modern inspection equipment, our factory can help you to
lower cost at the moment of worldwide financial crisis.
3.We are committed to focusing on the client’s demand and satisfaction, and to providing high quality
products at competitive prices according to your drawings or samples. Special parts for your special
needs!
4.Our strong R&D and QC department can control the products to meet your strict requirment, 100%
inspection on critical dimensions with high accuracy +/-0.01-0.005mm.
5.We are committed to focusing on the client’s demand and satisfaction, and to providing high quality
products at competitive prices according to your drawings or samples. Special parts for your special
needs!
6.Although the business has become more difficult since competition increased, our products have
sold well in recent years. As a matter of fact, our parts are being exported to more than 10 countries
and regions. And they’re always received favourably.
Our Main Product:
1. Gear and Rack
2. Ball Screw and Nut
3. Linear Xihu (West Lake) Dis. and Block
4. Sprocket and Roller Chain
5. Timing Pulley and Timing Belt
Application
Gear can be used on many machines,like lathe machine, cutting machine, cnc machine and engraving
machine etc; It can also be used in many fields, machinery, construction, building, manufacturing,
industrial etc.
Package
Usually we wrap the gears with bubble wrap, then put the gears in a carton, and finally seal the
carton tightly.We can also make the package according to customers’ demands.
FAQs
Q: Are you factory or trading company?
A:Truly we are a factory over 15 years. We located in HangZhou City, ZheJiang Province, near
HangZhou port.
Q: What is your production range?
A: Gears, impellers, shaft; shaft couplings; end cover; cnc machining parts,etc.
Q: How long can I get some samples for checking and what about the price?
A: Normaly samples will be done within 3-5 days.
The sample cost depends on the information (size, material, finish, etc.).
We will return the sample cost when you place order.
Q:How is the warranty of the products quality control?
A:We hold the tightend quality controlling from very begining to the end and aim at 100% error free.
Q:How to get an accurate quotation?
A:If you are interested in our products, please provide us with below information:
If there is something you are demanding or interested, please feel free to contact with
us, we will feedback within 12 hours.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
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| Hardness: | Soft Tooth Surface |
| Gear Position: | External Gear |
| Samples: |
US$ 15/Piece
1 Piece(Min.Order) | Order Sample Samples produced according to customer′s drawing
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How does the size of a sun gear affect the gear ratio in planetary systems?
The size of the sun gear plays a significant role in determining the gear ratio in planetary gear systems. The gear ratio determines the relationship between the input speed and torque and the output speed and torque in the system. Here’s an explanation of how the size of the sun gear affects the gear ratio in planetary systems:
- Direct Proportion:
In a planetary gear system, the gear ratio is influenced by the relative sizes of the sun gear, planet gears, and ring gear. The gear ratio is typically expressed as the ratio of the output speed to the input speed or the ratio of the output torque to the input torque.
When considering the size of the sun gear, it is important to understand that the gear ratio is inversely proportional to the size of the sun gear. In other words, as the size of the sun gear increases, the gear ratio decreases, and vice versa.
- Power Distribution:
The size of the sun gear affects the power distribution within the planetary system. As the sun gear rotates, it engages with the planet gears, which, in turn, mesh with the ring gear. The interaction between these gears determines the gear ratio.
A larger sun gear allows for a higher number of teeth on the sun gear itself as well as on the planet gears. This means that each rotation of the sun gear will result in a smaller rotation of the planet gears and the ring gear. Consequently, a larger sun gear leads to a lower gear ratio, reducing the output speed and increasing the output torque.
- Torque Amplification:
Another factor influenced by the size of the sun gear is torque amplification. In planetary gear systems, the sun gear’s size affects the torque multiplication or reduction capabilities of the system.
With a larger sun gear, the system can provide higher torque output for a given input torque, resulting in torque amplification. This can be advantageous in applications where increased torque is required, such as during vehicle acceleration or heavy load conditions.
Conversely, a smaller sun gear reduces the torque output of the system, resulting in torque reduction. This can be useful in situations where a lower torque output is desired, such as when precise control is required or when operating in low-torque applications.
- Overall Gear Ratio Range:
The size of the sun gear also affects the overall gear ratio range that can be achieved in a planetary system. By varying the size of the sun gear relative to the other gears, different gear ratios can be achieved, allowing for a wider range of output speeds and torques.
For example, if a system requires a higher gear ratio range, a larger sun gear can be used in combination with appropriately sized planet gears and a ring gear. Conversely, if a lower gear ratio range is desired, a smaller sun gear can be employed.
It’s important to note that the size of the sun gear alone does not determine the gear ratio. The gear ratio is influenced by the combination of the sizes of all the gears within the planetary system.
In summary, the size of the sun gear in a planetary gear system has a direct impact on the gear ratio, power distribution, torque amplification, and overall gear ratio range. A larger sun gear results in a lower gear ratio, while a smaller sun gear leads to a higher gear ratio. The size of the sun gear, along with the sizes of the other gears, determines the performance characteristics of the planetary system.
Can sun gears be used in high-torque applications?
Sun gears can indeed be used in high-torque applications and are commonly employed in various mechanical systems that require substantial torque transmission. The design and characteristics of sun gears make them capable of handling significant torque loads. Here’s an explanation of why sun gears can be used in high-torque applications:
- Central Positioning: Sun gears are typically located at the center of planetary gear arrangements. This central positioning allows them to distribute torque to multiple planet gears, which then transfer the torque to the outer ring gear. The central position of the sun gear enables efficient torque transmission and load sharing among the gears, making it suitable for handling high-torque applications.
- Torque Amplification: The arrangement of sun gears in a planetary gear system allows for torque amplification. By utilizing the interaction between the sun gear, planet gears, and ring gear, the gear system can multiply or reduce torque based on the gear ratio configuration. In high-torque applications, this torque amplification capability of sun gears is advantageous as it allows for the multiplication of input torque, resulting in higher torque output.
- Sturdy Construction: Sun gears are designed to withstand high torque forces. They are usually made from durable materials such as hardened steel or other alloys with high tensile strength. This robust construction ensures that sun gears can effectively handle the transmitted torque without experiencing excessive wear or deformation.
- Load Distribution: The interaction between the sun gear, planet gears, and ring gear in a planetary gear system enables effective load distribution. By distributing the torque across multiple planet gears, the load is shared, reducing the stress on individual gears. This load distribution mechanism enhances the overall durability and torque-handling capacity of the gear system, making it suitable for high-torque applications.
- Customizable Gear Ratios: Sun gears in planetary systems allow for the customization of gear ratios. By changing the number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, the gear ratio can be tailored to meet specific application requirements. This flexibility in gear ratio control enables the optimization of torque output for high-torque applications.
In summary, sun gears can be effectively used in high-torque applications due to their central positioning, torque amplification capability, sturdy construction, load distribution mechanism, and customizable gear ratios. These characteristics make sun gears reliable and suitable for transmitting substantial torque in various mechanical systems.
Can you explain the role of a sun gear in planetary gear systems?
The sun gear plays a crucial role in planetary gear systems, contributing to their unique functionality and versatility. Understanding the specific role of the sun gear within these systems helps in comprehending their overall operation. Here’s an explanation of the role of a sun gear in planetary gear systems:
- Power Input: The sun gear serves as the primary power input element in a planetary gear system. It receives rotational motion and torque from an external source, such as an engine or motor. This power input is transmitted to other gears within the system.
- Engagement with Planet Gears: One of the distinctive features of a planetary gear system is the interaction between the sun gear and multiple planet gears. The planet gears are smaller gears that surround the sun gear and mesh with both the sun gear and an outer ring gear. This engagement allows for the transfer of torque and motion between the gears.
- Power Distribution: As the sun gear rotates, it transmits torque to the planet gears through their meshing teeth. The planet gears, in turn, transfer the torque to the outer ring gear. This power distribution mechanism enables the sharing of torque among multiple gears within the system, allowing for load distribution and efficient power transmission.
- Gear Ratio Control: By changing the arrangement and sizes of the sun gear, planet gears, and ring gear, planetary gear systems can achieve different gear ratios. The number of teeth on the sun gear, planet gears, and ring gear, as well as their relative sizes, determine the gear ratio. This flexibility in gear ratio control enables planetary gear systems to provide various output speeds and torque levels, catering to different operational requirements.
- Torque Amplification: A key advantage of planetary gear systems is their ability to amplify torque. By employing a combination of the sun gear, planet gears, and ring gear, torque can be multiplied or reduced depending on the gear ratio configuration. This torque amplification feature is beneficial in applications where high torque output is required, such as automotive transmissions and heavy machinery.
- Directional Control: Another notable aspect of planetary gear systems is their directional control capability. By fixing or holding the sun gear while the ring gear or planet carrier is driven, the gear system can achieve different output directions, such as forward or reverse rotation. This directional control adds versatility to gear systems, enabling them to be used in various mechanical applications.
In summary, the sun gear in planetary gear systems serves as the power input element, engages with planet gears, distributes torque, controls gear ratios, provides torque amplification, and enables directional control. Its role is essential in achieving efficient power transmission, versatile gear ratios, and adaptable functionality in a wide range of mechanical applications.
editor by CX 2023-10-31