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| After-sales Service: | Support |
| Warranty: | 12 Months |
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| Number of Teeth of Half Shaft Gear | External Teeth: 16 Teeth Internal Teeth: 26 Teeth |
| Applicable Speed Ratio | 4.42; 4.8; 3.93 |
(1) Mating parts with stable and reliable quality.
(2) Assemble the Differential Assembly through the assembly line, and inspect each product on delivery.
(3) Uniform coding and clear drawing number identification to improve the trace ability of differential assembly.
(4) The unified brand carton, inner bag and integral foam packaging, which is strong and beautiful.
(5) The input shaft is made of 42Crmo material, which has higher toughness and higher fatigue resistance.
(6) The original gasket 20# plate used for the differential assembly is subject to soft nitriding treatment, with a hardened layer depth of 0.15 ~ 0.3 and a hardness of HV395-535. The differential planetary gasket has a full radian, which has stronger wear resistance.
(7) The composite material copper sleeve protects the gear and cross shaft more effectively, and effectively prevents the gear from burning.
(8) The original nut is used, and the thread has stronger hardness. Anaerobic thread-locking adhesive is applied to prevent the nut from falling off.
(9) The differential cross shaft adopts 22CrMnMo mechanical strength, which better strengthens the fatigue resistance of the cross shaft, and the plane structure of the shaft body makes the lubricating oil smoother.
Working principle of interaxle differential assembly
1. When turning, due to the sliding drag of the outer wheel and the sliding rotation of the inner wheel, the two driving wheels will produce additional forces in opposite directions, resulting in different speeds of the wheels on both sides, which destroys the balance relationship between the three, and is reflected on the half shaft gear through the half shaft, forcing the planetary gear to rotate and slowing down the speed of the inner half shaft, The speed of the outer half axle is accelerated, so as to realize the difference of wheel speed on both sides. If the drive wheels on both sides of the drive axle are rigidly connected with a whole shaft, the two wheels can only rotate at the same angle. In this way, when the vehicle turns to travel, because the outer wheel moves a larger distance than the inner wheel, the outer wheel will slip while rolling, while the inner wheel will slip while rolling. Even if the vehicle runs in a straight line, it will cause wheel sliding due to uneven road surface or unequal tire rolling radius (tire manufacturing error, different wear, uneven load or unequal air pressure), which will not only aggravate tire wear, increase power and fuel consumption, but also make the vehicle difficult to turn and poor braking performance. In order to prevent the wheel from sliding as much as possible, the structure must ensure that each wheel can rotate at different angles.
2. When the vehicle goes straight, the resistance of the left and right wheels is equal. The planetary gears in the differential housing only revolve with the housing rather than rotate.
3. When the vehicle turns, the inner wheel will produce greater resistance. Different forces on the half shafts on both sides will make the middle planetary gear rotate, and there will be speed difference between the half shafts on both sides. The outside wheel turns faster than the inside wheel, so that the vehicle can turn smoothly.
Composition structure of differential assembly
1.The automobile differential assembly can make the left and right (or front and rear) drive wheels rotate at different speeds. It is mainly composed of left and right half shaft gears, two planetary gears and gear carrier. Ordinary differential assembly is composed of planetary gear, planetary carrier (differential housing), half shaft gear and other parts.
2. The power of the engine enters the differential mechanism through the transmission shaft, directly drives the planetary gear carrier, and then the planetary gear drives the left and right half shafts to drive the left and right wheels respectively. The design requirements of differential mechanism meet: (left half shaft speed) + (right half shaft speed) = 2 (planet carrier speed). When the car goes straight, the speeds of the left and right wheels and the planetary carrier are equal and in a balanced state. When the car turns, the balance state of the three is destroyed, resulting in the decrease of the speed of the inner wheel and the increase of the speed of the outer wheel.
The function of differential assembly
1.Differential assembly is a differential transmission mechanism, which is used to distribute torque between the two output shafts and ensure that the two output shafts may rotate at different angular speeds. It is used to ensure the power transmission of each driving wheel under various motion conditions and avoid slipping between the tire and the ground.
2.The power of the automobile engine is finally transmitted to the drive axle through the clutch, transmission and transmission shaft, and then distributed to the half axle drive wheels. In this power transmission path, the drive axle is the last assembly, and its main components are the reducer and differential mechanism. Play the role of deceleration and differential.
3. When a car turns, the turning radius of the inner wheel and the outer wheel are different, and the turning radius of the outer wheel is greater than that of the inner wheel. This requires that the speed of the outer wheel be higher than the speed of the inner wheel when turning.
4. The function of the differential mechanism is to meet the requirements of different speeds of the wheels on both sides of the car when turning. This function is the most basic function of the differential mechanism.
Why is the differential needed
1. When the car turns, the wheels spin at different speeds. When turning, the distance traveled by each wheel is not equal, that is, the distance traveled by the inner wheel is shorter than the distance traveled by the outer wheel. Because the speed of the car is equal to the distance traveled by the car divided by the time it takes to pass this distance, wheels with a short distance travelled at a slower speed. At the same time, it should be noted that the distance traveled by the front wheel is different from that of the rear wheel.
2. For the driven wheel of rear wheel drive vehicle or the driven wheel of front wheel drive vehicle, there is no such problem. Since they are not connected to each other, they rotate independently of each other. But the two driving wheels are related to each other. Therefore, an engine or a gearbox can drive two wheels at the same time. If you don't have a differential in your car, the two wheels will have to be fixed together and driven to rotate at the same speed. This will make it difficult for the car to turn. At this point, in order for the car to turn, one tire will have to slip. For modern tires and concrete roads, it requires a lot of external force to make the tires slip. This force is transmitted from one tire to another through the axle, which will produce great stress on the axle parts.
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.
Q7. Do you accept third party inspection?
Yes.we do
Q8. How about your delivery time?
Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q9. What are your brand agency conditions and advantages?
After we sign an agent in one city, we will not sign a second company to protect the agent's brand advantage and price advantage. And we will help the agent develop customers and solve all kinds of difficult and miscellaneous problems about products.
Q10. What is your terms of payment?
By TT or LC. We'll show you the photos of the products and packages before you pay the balance.
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