Product Description
| American inboard axle | ||||||||||||
| AXLE TYPE | BRAKE SIZE | WHEEL FIXING | NO.XSIZE OF WHEEL STUD (DIM A) | WHEEL REG.DIA.(DIM B) | DIM D | BEARING | WHEEL RIM SIZE | BEAM SIZE | AXLE CAPACITY | SPRING SEAT INSTALLATION | TRACK LENGTH(DIM C) | WEIGHT |
| KMMR1318B | 420*180 | ISO | 10*M22*335 | 281 | 725 | 518445 518445 | 20´´ | 127*19 | 13T | ≤450 | 1840mm | 378KG |
| KMMR1320B | 420*2 | 20´´ | 127*19 | 13T | ≤450 | 1840mm | 390KG | |||||
| KMMR1318C | 420*180 | ISO | 10*M22*285.75 | 221 | 725 | 518445 518445 | 20´´ | 127*19 | 13T | ≤450 | 1840mm | 378KG |
| KMMR1320C | 420*2 | 20´´ | 127*19 | 13T | ≤450 | 1840mm | 390KG | |||||
| KMMR1318A | 420*180 | JAP | 8*M20*285 | 221 | 725 | 518445 518445 | 20´´ | 127*19 | 13T | ≤450 | 1840mm | 378KG |
| KMMR1622E | 420*220 | ISO | 10*M20*335 | 281 | 738 | 518445 220149 | 20´´ | 127*25 | 16T | ≤450 | 1850mm | 440KG |
| KMM1318B | 420*180 | ISO | 10*M22*335 | 281 | 725 | 518445 518445 | 20´´ | SQUARE150 | 13T | ≤450 | 1840mm | 378KG |
| KMM1320B | 420*200 | ISO | 10*M22*335 | 281 | 735 | 518445 518445 | 20´´ | SQUARE150 | 13T | ≤450 | 1840mm | 390KG |
| KMM1318C | 420*180 | ISO | 10*M22*285.75 | 221 | 725 | 518445 518445 | 20´´ | SQUARE150 | 13T | ≤450 | 1840mm | 378KG |
| KMM1320C | 420*200 | ISO | 10*M22*285.75 | 221 | 735 | 518445 518445 | 20´´ | SQUARE150 | 13T | ≤450 | 1840mm | 390KG |
| KMM1318A | 420*180 | JAP | 8*M20*285 | 221 | 725 | 518445 518445 | 20´´ | SQUARE150 | 13T | ≤450 | 1840mm | 378KG |
| KMM1622E | 420*220 | ISO | 10*M20*335 | 281 | 738 | 518445 220149 | 20´´ | SQUARE150 | 16T | ≤450 | 1850mm | 440KG |
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| Condition: | New |
|---|---|
| Axle Number: | 1 |
| Application: | Truck |
| Certification: | ASTM |
| Material: | Steel |
| Type: | Rear Axles |
| Customization: |
Available
| Customized Request |
|---|
What is the role of axles in electric vehicles, and how do they differ from traditional axles?
Electric vehicles (EVs) have unique requirements when it comes to their drivetrain systems, including the axles. The role of axles in EVs is similar to traditional vehicles, but there are some key differences. Here’s a detailed explanation of the role of axles in electric vehicles and how they differ from traditional axles:
Role of Axles in Electric Vehicles:
The primary role of axles in electric vehicles is to transmit torque from the electric motor(s) to the wheels, enabling vehicle propulsion. The axles connect the motor(s) to the wheels and provide support for the weight of the vehicle. Axles are responsible for transferring the rotational force generated by the electric motor(s) to the wheels, allowing the vehicle to move forward or backward.
In electric vehicles, the axles are an integral part of the drivetrain system, which typically includes an electric motor(s), power electronics, and a battery pack. The axles play a crucial role in ensuring efficient power transfer and delivering the desired performance and handling characteristics of the vehicle.
Differences from Traditional Axles:
While the fundamental role of axles in electric vehicles is the same as in traditional vehicles, there are some notable differences due to the unique characteristics of electric propulsion systems:
1. Integration with Electric Motors: In electric vehicles, the axles are often integrated with the electric motors. This means that the motor(s) and axle assembly are combined into a single unit, commonly referred to as an “electric axle” or “e-axle.” This integration helps reduce the overall size and weight of the drivetrain system and simplifies installation in the vehicle.
2. High Torque Requirements: Electric motors generate high amounts of torque from the moment they start, providing instant acceleration. As a result, axles in electric vehicles need to handle higher torque loads compared to traditional axles. They are designed to withstand the torque output of the electric motor(s) and efficiently transmit it to the wheels.
3. Regenerative Braking: Electric vehicles often utilize regenerative braking, which converts the vehicle’s kinetic energy into electrical energy and stores it in the battery. The axles in electric vehicles may incorporate systems or components that enable regenerative braking, such as sensors, controllers, and electric brake actuators.
4. Space Optimization: Electric vehicles often have different packaging requirements compared to traditional internal combustion engine vehicles. The axles in electric vehicles are designed to accommodate the space constraints and specific layout of the vehicle, considering the placement of the battery pack, electric motor(s), and other components.
5. Weight Considerations: Electric vehicles strive to optimize weight distribution to enhance efficiency and handling. Axles in electric vehicles may be designed with lightweight materials or innovative construction techniques to minimize weight while maintaining structural integrity and durability.
It’s important to note that the specific design and characteristics of axles in electric vehicles can vary depending on the vehicle manufacturer, drivetrain configuration (e.g., front-wheel drive, rear-wheel drive, all-wheel drive), and other factors. Automotive manufacturers and suppliers continually innovate and develop new axle technologies to meet the evolving demands of electric vehicle propulsion systems.
Can you recommend axle manufacturers known for durability and reliability?
When it comes to choosing axle manufacturers known for durability and reliability, there are several reputable companies in the automotive industry. While individual experiences and preferences may vary, the following axle manufacturers have a track record of producing high-quality products:
1. Dana Holding Corporation: Dana is a well-known manufacturer of axles, drivetrain components, and sealing solutions. They supply axles to various automotive manufacturers and have a reputation for producing durable and reliable products. Dana axles are commonly found in trucks, SUVs, and off-road vehicles.
2. AAM (American Axle & Manufacturing): AAM is a leading manufacturer of driveline and drivetrain components, including axles. They supply axles to both OEMs (Original Equipment Manufacturers) and the aftermarket. AAM axles are known for their durability and are often found in trucks, SUVs, and performance vehicles.
3. GKN Automotive: GKN Automotive is a global supplier of driveline systems, including axles. They have a strong reputation for producing high-quality and reliable axles for a wide range of vehicles. GKN Automotive supplies axles to various automakers and is recognized for their technological advancements in the field.
4. Meritor: Meritor is a manufacturer of axles, brakes, and other drivetrain components for commercial vehicles. They are known for their robust and reliable axle products that cater to heavy-duty applications in the commercial trucking industry.
5. Spicer (Dana Spicer): Spicer, a division of Dana Holding Corporation, specializes in manufacturing drivetrain components, including axles. Spicer axles are widely used in off-road vehicles, trucks, and SUVs. They are known for their durability and ability to withstand demanding off-road conditions.
6. Timken: Timken is a trusted manufacturer of bearings, seals, and other mechanical power transmission products. While they are primarily known for their bearings, they also produce high-quality axle components used in various applications, including automotive axles.
It’s important to note that the availability of specific axle manufacturers may vary depending on the region and the specific vehicle make and model. Additionally, different vehicles may come equipped with axles from different manufacturers as per the OEM’s selection and sourcing decisions.
When considering axle replacements or upgrades, it is advisable to consult with automotive experts, including mechanics or dealerships familiar with your vehicle, to ensure compatibility and make informed decisions based on your specific needs and requirements.
How do solid axles differ from independent axles in terms of performance?
When comparing solid axles and independent axles in terms of performance, there are several key differences to consider. Both types of axles have their advantages and disadvantages, and their suitability depends on the specific application and desired performance characteristics. Here’s a comparison of solid axles and independent axles:
| Aspect | Solid Axles | Independent Axles |
|---|---|---|
| Load-Bearing Capability | Solid axles have high load-bearing capability due to their robust and sturdy construction. They can handle heavy loads and provide excellent stability, making them suitable for off-road vehicles, heavy-duty trucks, and towing applications. | Independent axles typically have lower load-bearing capability compared to solid axles. They are designed for lighter loads and offer improved ride comfort and handling characteristics. They are commonly used in passenger cars, sports cars, and vehicles with a focus on maneuverability and road performance. |
| Wheel Articulation | Solid axles have limited wheel articulation due to their connected and rigid design. This can result in reduced traction and compromised wheel contact with the ground on uneven terrain. However, solid axles provide excellent traction in situations where the weight distribution on all wheels needs to be maintained, such as in off-road or rock-crawling applications. | Independent axles offer greater wheel articulation as each wheel can move independently of the others. This allows the wheels to better conform to uneven terrain, maximizing traction and maintaining contact with the ground. Independent axles provide improved off-road capability, enhanced handling, and better ride comfort. |
| Ride Comfort | Due to their rigid design, solid axles generally provide a stiffer and less compliant ride compared to independent axles. They transmit more road shocks and vibrations to the vehicle’s occupants, resulting in a rougher ride quality. | Independent axles are known for providing better ride comfort. Each wheel can react independently to road imperfections, absorbing shocks and vibrations more effectively. This leads to a smoother and more comfortable ride, particularly on paved roads and surfaces with minor irregularities. |
| Handling and Stability | Solid axles offer excellent stability due to their connected nature. They provide better resistance to lateral forces, making them suitable for high-speed stability and towing applications. However, the rigid axle design can limit overall handling and maneuverability, particularly in tight corners or during quick direction changes. | Independent axles generally offer improved handling and maneuverability. Each wheel can react independently to steering inputs, allowing for better cornering performance and agility. Independent axles are commonly found in vehicles where precise handling and responsive steering are desired, such as sports cars and performance-oriented vehicles. |
| Maintenance and Repair | Solid axles are relatively simpler in design and have fewer moving parts, making them easier to maintain and repair. They are often more resistant to damage and require less frequent servicing. However, if a component within the axle assembly fails, the entire axle may need to be replaced. | Independent axles are typically more complex in design and have multiple moving parts, such as control arms, CV joints, or bearings. This complexity can result in higher maintenance and repair costs. However, if a failure occurs, only the affected component needs to be replaced, reducing repair expenses compared to replacing the entire axle. |
It’s important to note that advancements in suspension and axle technologies have resulted in various hybrid systems that combine features of solid and independent axles. These systems aim to provide a balance between load-bearing capability, wheel articulation, ride comfort, and handling performance based on specific application requirements.
In summary, solid axles excel in load-bearing capability, stability, and durability, making them suitable for heavy-duty applications and off-road conditions. Independent axles offer improved ride comfort, better wheel articulation, enhanced handling, and maneuverability, making them suitable for passenger cars and vehicles focused on road performance. The choice between solid axles and independent axles depends on the specific needs and priorities of the vehicle or machinery.
editor by CX 2024-04-29