Product Description
Factory-customized Fast Electric Car Tram Planetary/Side/Shaft/Sun Gear 40131219_4 0571 40131220_61160
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(1) Accessory products of the truck, use 20CrMmti material.
(2) Heat treatment and tempering, high gear root strength, stronger impact resistance.
(3) Multi-purpose CHINAMFG carburizing processing, fine grinding processing technology, effectively reducing noise.
(4) Test product 1 by one, and inspect each product on delivery to ensure 100% quality stability of the product.
(5) The unified brand carton, inner bag and integral foam packaging, which is strong and beautiful.
(6) Passed ISO/TS16949:2009 quality management system certification.
(7) Passed ISO/IEC17571:2005 certification.
(8) Certified by National Laboratory Accreditation Committee.
(9) “100 Auto Parts Suppliers” in China.
(10) China Machinery Top 500.
(11) National first-class measurement enterprise.
(12) National first-class physical and chemical enterprise.
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More Products
| Truck Model | Sinotruk, Shacman, CHINAMFG Auman, CHINAMFG Xihu (West Lake) Dis., Xihu (West Lake) Dis.feng, Xihu (West Lake) Dis.feng Liuqi Balong, North BENZ( BEIBEN), C&C, JAC, etc. | |
| Product catalogue | Axle | Wheel Assembly |
| Differential Assembly | ||
| Main Reducer Assembly | ||
| Inner Ring Gear& Bracket | ||
| Basin Angle Gear/ Bevel Gear | ||
| Axle Shaft/ Half Shaft & Through Shaft | ||
| Axle Housing& Axle Assembly | ||
| Steering knuckle & Front Axle | ||
| Gear | ||
| Brake Drum& Wheel Hub | ||
| Flange | ||
| Bearing | ||
| Main Reducer Housing | ||
| Oil Seal Seat | ||
| Nut& Shim Series | ||
| Brake Backing Plate | ||
| Chassis Support Products | Leaf Spring Bracket | |
| Drop Arm Series | ||
| Bracket Series | ||
| Leaf Spring Shackle Series | ||
| Balanced Suspension Series | Balance Shaft Assembly | |
| Balance Shaft Housing | ||
| Axle Spring Seat | ||
| Thrust Rod | ||
| Balance Shaft Parts | ||
| Shock Absorber Series | Shock Absorber | |
| Shock Absorbing Airbag | ||
| Steering System | Power Steering Pump | |
| Power Steering Gear | ||
| Rubber Products | Oil Seal | |
| Rubber Support | ||
| Thrust Rod Rubber Core | ||
| Truck Belt | ||
| Engine support | ||
| Other | ||
| Clutch Series | Clutch Pressure Plate | |
| Clutch Disc | ||
| Flywheel Assembly | ||
| Flywheel Ring Gear | ||
| Adjusting Arm Series | ||
Packaging & Shipping
Working Principle
Single reduction gear is a driving bevel gear (commonly known as angular gear) and a basin angle gear pair. The driving bevel gear is connected with the transmission shaft, rotates clockwise, sticks to its right side from the bevel gear, and rotates downward at the meshing point, which is consistent with the CHINAMFG direction of the wheel. Due to the small diameter of the driving bevel gear and the large diameter of the bevel gear, the function of deceleration is achieved.
The double reduction has an additional intermediate transition gear.The left side of the driving bevel gear is meshed with the bevel gear of the intermediate gear. The bevel gear is coaxial with a spur gear with small diameter, and the spur gear is meshed with the driven gear. In this way, the intermediate gear rotates backward and the driven gear rotates forward. There is a two-stage deceleration process in the middle.
Due to the increase of axle volume, double reduction was mainly used in vehicles with low engine power in the past, mainly in construction machinery with low speed and high torque.
In the double reduction final drive, if the second-stage deceleration is carried out near the wheel, it actually constitutes an independent part at the 2 wheels, it is called wheel reducer. The advantage of this is that the torque transmitted by the half shaft can be reduced, which is conducive to reducing the size and quality of the half shaft. The wheel reducer can be planetary gear type or composed of a pair of cylindrical gear pairs. When the cylindrical gear pair is used for wheel side deceleration, the up-down position relationship between the wheel axis and the half shaft can be changed by adjusting the mutual position of the 2 gears. This kind of axle is called portal axle, which is often used for vehicles with special requirements for the high and low position of the axle.
According to the number of the main reducer transmission ratio, it can be divided into single-speed and double-speed.
Domestic cars basically adopt single speed main reducer with fixed transmission ratio. On the double reduction final drive, there are 2 transmission ratios for selection, and this main reducer actually acts as an auxiliary transmission.
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FAQ
Q1. Are you a factory or trading company?
We are a factory integrating research, development, production and sales.
Q2. What are the advantages of your products?
We support product customization to meet customer needs for special products. We can strictly control the products from raw materials to production, processing, product quality inspection, delivery, packaging, etc., and provide customers with high-end products and the most advantageous prices.
Q3. How about products price?
We are a factory, all products are direct sale at factory price. For the same price, we will provide the best quality; for the same quality, we have the most advantageous price.
Q4. What is your terms of packing?
We have branded packaging and neutral packaging, and we can also do what you want with authorization. This is flexible.
Q5. How to guarantee your after-sales service?
Strict inspection during production, Strictly check the products before shipment to ensure our packaging in good condition. Track and receive feedback from customer regularly. Our products warranty is 365 days.
Each product provides quality assurance service. If there is a problem with the product within the warranty period, the customer can negotiate with us in detail about the related claims, and we will do our best to satisfy the customer.
Q6. How can I accurately buy the products I need?
We need accurate product number, If you can’t provide product number, you can send us your product picture, or tell us your truck model, engine name plate, and so on. we will
determine exactly what you need products.
| Application: | Electric Car Axle Differential Spare Parts |
|---|---|
| Material: | 42CrMo/20crmoti/20crmotih5/22crmoti/18crnimo7-6 |
| Automatic: | Automatic |
| Samples: |
US$ 21/Piece
1 Piece(Min.Order) | Order Sample |
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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.
What are the considerations for lubrication and maintenance of sun gears?
Proper lubrication and maintenance of sun gears are crucial for ensuring their optimal performance, longevity, and reliability. Sun gears, like other mechanical components, require appropriate lubrication to minimize friction, reduce wear, and prevent damage. Here are some considerations for lubrication and maintenance of sun gears:
- Lubrication:
Effective lubrication is essential for sun gears to operate smoothly and efficiently. Consider the following aspects:
- Lubricant Selection: Choose a lubricant that is specifically designed for gear applications. The lubricant should have the necessary viscosity, additives, and thermal stability to provide adequate lubrication and protection to the sun gears under the operating conditions.
- Proper Lubricant Application: Ensure that the lubricant is applied correctly to the sun gears. This can involve methods such as oil baths, oil mist systems, or grease application, depending on the specific gear system and its requirements. Follow the manufacturer’s guidelines or consult with lubrication experts for the appropriate lubrication technique.
- Regular Lubricant Inspection: Monitor the lubricant condition regularly to ensure its effectiveness and to detect any signs of contamination, degradation, or insufficient lubrication. Perform oil analysis or visual inspections as recommended by lubrication experts or equipment manufacturers.
- Maintenance:
Proper maintenance practices help keep sun gears in optimal working condition and extend their service life. Consider the following maintenance considerations:
- Regular Inspections: Conduct routine inspections of the sun gears to check for any signs of wear, damage, misalignment, or abnormal operating conditions. Inspections can help identify potential issues early, allowing for timely maintenance or repairs.
- Torque and Load Monitoring: Keep track of the torque and load applied to the sun gears. Ensure that the gear system is not subjected to excessive loads or overloading, as this can lead to premature wear and failure. Use appropriate monitoring techniques, such as load sensors or torque meters, to ensure the gear system operates within its designed limits.
- Alignment and Gear Meshing: Ensure proper alignment and gear meshing between the sun gear, planet gears, and ring gear. Misalignment or improper gear engagement can cause excessive wear and damage to the gear system. Regularly check and adjust the gear alignment as needed.
- Proactive Repairs and Replacements: If any issues, such as worn teeth, damaged gear components, or abnormal vibrations, are detected during inspections or monitoring, take proactive measures to repair or replace the affected parts. Timely repairs can prevent further damage and improve the overall performance and reliability of the sun gears.
- Operating Conditions: Consider the operating conditions of the gear system, such as temperature, humidity, and environmental factors. Ensure that the sun gears are protected from excessive heat, moisture, contaminants, and corrosive substances that can adversely affect their performance and durability.
In summary, proper lubrication and maintenance of sun gears are critical for their optimal performance and longevity. Considerations include selecting the right lubricant, applying it correctly, inspecting the lubricant regularly, conducting routine inspections, monitoring torque and load, ensuring proper alignment and gear meshing, performing proactive repairs and replacements, and considering the operating conditions. Adhering to these considerations helps ensure reliable and efficient operation of sun gears 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 2023-10-17