China supplier Precision Auto Spare Chasis Parts Forging Differential Transmission Gear bevel gear set

Product Description

Product Description

 

Modulo Above 0.8
Numero di Denti Above 9teeth
Angolo d’Elica Helix Angle Up to 45
bore diameter Above 6mm
axial length Above 9mm
Gear model Customized gear accoding to customers sample or drawing
Processing machine CNC machine
Material 20CrMnTi/ 20CrMnMo/ 42CrMo/ 45#steel/ 40Cr/ 20CrNi2MoA/304 stainless steel
Heat treattment Carburizing and quenching/ Tempering/ Nitriding/ Carbonitriding/ Induction hardening
Hardness 35-64HRC
Qaulity standerd GB/ DIN/ JIS/ AGMA
Accuracy class 5-8  class
Shipping Sea shipping/ Air shipping/ Express

Company Profile

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Application: Motor, Electric Cars, Motorcycle, Machinery, Car
Hardness: Soft Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
Samples:
US$ 500/Piece
1 Piece(Min.Order)

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Request Sample

differential gear

How does a differential gear distribute power between the wheels?

A differential gear is responsible for distributing power between the wheels of a vehicle, allowing them to rotate at different speeds while maintaining torque transfer. Here’s a detailed explanation of how a differential gear accomplishes this:

1. Power Input:

The differential gear receives power from the transmission or driveshaft connected to the engine. This power is transmitted to the differential assembly, which is typically located in the axle housing.

2. Ring and Pinion Gears:

Within the differential assembly, the power from the driveshaft is transferred to the ring and pinion gears. The ring gear is a large gear that surrounds the differential assembly, while the pinion gear is a smaller gear connected to the driveshaft. The interaction between these gears allows the power to be redirected.

3. Side Gears and Spider Gears:

The ring gear is connected to side gears, also known as bevel gears, through a set of small gears called spider gears. The side gears are attached to the axle shafts, which are responsible for transmitting power to the wheels. The spider gears allow the side gears to rotate independently of each other while maintaining torque transfer.

4. Differential Action:

As the vehicle moves, the differential gears enable the wheels to rotate at different speeds during turns. When the vehicle is moving in a straight line, the spider gears rotate smoothly, allowing equal power distribution to both wheels. However, during a turn, the inside wheel travels a shorter distance than the outside wheel, causing them to rotate at different speeds.

5. Speed and Torque Distribution:

The differential gear adjusts the speed and torque distribution between the wheels based on their rotational differences. When the vehicle is turning, the spider gears allow one wheel to rotate faster than the other, ensuring that torque is transferred to the wheel with better traction. This allows the wheels to rotate at different speeds, preventing tire scrubbing and providing smooth cornering.

6. Limited-Slip and Locking Differentials:

In certain differential systems, such as limited-slip differentials or locking differentials, additional mechanisms are incorporated to enhance traction and power distribution. Limited-slip differentials use clutch packs or friction plates to provide a predetermined amount of resistance, allowing some speed differentiation between the wheels while still transferring power. Locking differentials, on the other hand, lock the side gears together, ensuring equal torque distribution to both wheels, regardless of traction conditions.

7. Differential Types:

There are various types of differentials, including open differentials, limited-slip differentials, electronic differentials, torque vectoring differentials, and more. Each type has its own mechanisms and technologies to distribute power between the wheels effectively, depending on the vehicle’s requirements and driving conditions.

In summary, a differential gear distributes power between the wheels by utilizing a system of gears, including ring and pinion gears, side gears, and spider gears. The differential action allows the wheels to rotate at different speeds during turns, ensuring smooth cornering and preventing tire scrubbing. Additional mechanisms, such as limited-slip or locking differentials, can further enhance traction and power distribution in various driving conditions.

differential gear

How do differential gears contribute to traction in slippery conditions?

In slippery conditions, such as driving on ice, snow, or wet surfaces, differential gears play a crucial role in improving traction and maintaining vehicle control. Here’s a detailed explanation of how differential gears contribute to traction in slippery conditions:

  • Torque Distribution: Differential gears allow torque to be distributed between the wheels on the same axle. In slippery conditions, where traction is reduced, differential gears enable power to be sent to the wheels with better grip. This distribution of torque helps maximize traction and prevent wheel spin.
  • Wheel Speed Variation: In slippery conditions, the wheels on the same axle may encounter different levels of traction. For example, one wheel might be on a patch of ice while the other is on a surface with better grip. Differential gears accommodate this variation by allowing the wheels to rotate at different speeds. This wheel speed variation helps ensure that power is directed to the wheels with more traction, improving overall grip and stability.
  • Slip Limitation: When one wheel loses traction and starts to slip, the other wheel with better grip can potentially receive less power due to the default behavior of an open differential. However, some differential systems employ advanced features like limited-slip differentials (LSD) or electronic traction control systems. These systems detect wheel slip and apply mechanisms to limit slip and redirect power to the wheel with better traction, effectively improving traction in slippery conditions.
  • Positive Traction Devices: In some cases, differential gears can be equipped with positive traction devices such as locking differentials or electronic locking differentials. These devices lock the differential gears, forcing both wheels on the same axle to rotate at the same speed. This feature is particularly beneficial in extremely slippery conditions where maximum traction is essential. By locking the differential, these devices ensure that power is evenly distributed to both wheels, maximizing grip and traction.
  • Off-Road Capability: Differential gears with advanced features like limited-slip differentials or locking differentials are commonly employed in off-road vehicles. These vehicles often encounter challenging terrain with low-traction conditions. The differential systems in these vehicles enhance off-road capability by transferring power to the wheels with the most traction, preventing wheel spin, and allowing the vehicle to navigate through difficult terrain more effectively.

In summary, differential gears contribute to traction in slippery conditions by distributing torque between wheels, accommodating wheel speed variation, limiting slip through advanced features, and offering positive traction devices. These mechanisms allow power to be directed to the wheels with better grip, improving traction, stability, and overall vehicle control in slippery conditions.

differential gear

What are the applications of differential gears in off-road vehicles?

Off-road vehicles rely on differential gears for various applications that enhance their performance and capability in challenging terrains. Here’s a detailed explanation:

1. Traction Improvement:

One of the primary applications of differential gears in off-road vehicles is to improve traction. Off-road terrain often consists of uneven surfaces, loose soil, rocks, mud, or deep snow, which can cause the wheels to lose traction. Differential gears, such as limited-slip differentials or locking differentials, help distribute torque to the wheels with better traction, reducing wheel slip and maximizing grip. This allows off-road vehicles to maintain forward momentum and conquer obstacles that would otherwise be difficult to navigate.

2. All-Wheel Drive (AWD) Systems:

Off-road vehicles commonly utilize differential gears in their all-wheel drive (AWD) systems. AWD systems distribute power to all four wheels, providing better traction and stability on off-road terrain. Differential gears enable power transfer between the front and rear axles, as well as between the left and right wheels on each axle, allowing for optimal torque distribution based on traction conditions. This helps improve overall off-road performance and control.

3. Articulation and Wheel Independence:

Off-road vehicles often encounter uneven terrain with varying degrees of wheel articulation. Differential gears play a crucial role in maintaining wheel independence, allowing each wheel to move up or down independently to better conform to the terrain. This ensures that the wheels maintain contact with the ground and enhances traction, especially when navigating over rocks, logs, or steep inclines.

4. Hill Climbing and Descending:

When climbing steep inclines or descending steep slopes, differential gears are essential for off-road vehicles. In these situations, differential gears help distribute torque between the wheels on each axle, allowing the wheels with better traction to propel the vehicle forward or provide controlled braking. This improves stability, prevents wheel slip, and enhances the vehicle’s ability to tackle challenging uphill or downhill sections.

5. Off-Road Racing:

In off-road racing, differential gears are utilized to optimize performance and handling. High-performance off-road vehicles often employ advanced differential systems, such as limited-slip differentials or torque vectoring differentials. These systems actively distribute torque to the wheels with better traction, improving acceleration, cornering ability, and overall vehicle dynamics in competitive off-road racing environments.

6. Rock Crawling and Trail Driving:

Off-road vehicles designed for rock crawling or trail driving heavily rely on differential gears. These vehicles require precise control and maximum traction in low-speed, technical situations. Differential gears, particularly locking differentials, are employed to ensure that both wheels on an axle rotate together, maximizing traction and allowing the vehicle to maneuver over challenging obstacles, such as large rocks, boulders, or deep ruts.

In summary, differential gears in off-road vehicles have several applications, including traction improvement, all-wheel drive systems, articulation and wheel independence, hill climbing and descending, off-road racing, rock crawling, and trail driving. These applications enhance the performance, control, and capability of off-road vehicles in demanding and rugged terrains.

China supplier Precision Auto Spare Chasis Parts Forging Differential Transmission Gear bevel gear setChina supplier Precision Auto Spare Chasis Parts Forging Differential Transmission Gear bevel gear set
editor by Dream 2024-04-23