Product Description
OEM Auto Forging Truck Engine Axle Crank Shaft
Product Description
The crankshaft is the most important part of the engine. It bears the force from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodic gas inertia force and reciprocating inertia force, which makes the crankshaft bear the bending and torsional load. Therefore, the crankshaft is required to have sufficient strength and stiffness,
and the journal surface shall be wear-resistant, work evenly and have good balance.
Material specification:
1. Carbon & low alloy steel;
2. Stainless steel;
3. High alloy & wear resist steel;
4. Gray iron; Ductile iron;
5. Malleable iron;
6. Alloyed cast iron;
7. Aluminum alloy;
8. Cooper alloy;
9. Zinc alloy
Specifications:
1. ISO9001: 2000 certification
2. TUV (PED 97/23/EC & AD2000 aa W0/TRD 100) certification
3. Professional OEM manufacturer
4. Process: Precision made. Experience & Reasonable QC that you can reply on Each part would be
given 100% test and tryout before shipment. 5. Adequate supply capacity. Punctual delivery time.
The stress of crankshaft is extremely complex. It works under the joint action of periodically changing gas pressure, reciprocating inertia force and its torque, and bears huge alternating bending and torsion loads. At the same time, it is also a slender high-speed rotating part, so it needs strict dynamic balance, and bending and distortion are not allowed to exceed a certain value. Therefore, our crankshaft needs to be made of very high-quality materials and undergo strict surface treatment process. 45, 40Cr, 35Mn2 and other medium carbon steel and medium carbon alloy steel are generally used for die forging, and nodular cast iron is also used more in recent years. After forging or casting, in order to improve the fatigue strength of the crankshaft and eliminate stress concentration, shot peening shall be carried out on the journal surface, and the fillet shall be rolled; In order to improve the surface hardness of the journal, it is also necessary to do high-frequency quenching or nitriding treatment on the journal surface, and finally finish machining. The crankshaft treated in this way has sufficient fatigue strength and stiffness against bending and torsion, and the journal has large enough pressure bearing surface and wear resistance. It ensures the high hardness and accurate size control of the crankshaft. Enable users to have a good use feeling.
| Features:custom forgings Crankshaft |
| 1) Materials: carbon steel, Alloy steel, stainless steel, aluminum, bronze, brass, etc. |
| 2) Standard: JIS, DIN, ASTM, BS |
| 3 ) Surface treatment :Electro Zinc Plating Hot deep zinc plating, Electrophoresis, Powder coating, Painting ,Shoot blasting etc. |
| 4) Weight: 0.1 -10,000kg |
| 5) Processes : Forging ,Sand Casting, Investment Casting, Precision Casting, CNC Machining. |
| 6) Manufacturing equipments: 3 die-forging product lines (3 ton stamp forging hammer product line, 1000 ton friction product line, 1250 ton press product line), various loose hammers and cylinder parts , automatic control ring forging machine, heat treatment cellar, digital control fibre natural gas car furnace, standing machine tool, machine tools, standing miller, standing drill machine, bench drill machine ,CNC machining centre etc |
| 7) Testing equipment: Supersonic inspection machine, Supersonic flaw detecting machine , physics and chemical analysis. |
| 8)Services |
| a) Also can design and manufacture forged according to the customers’ requirement |
| b) ISO9001 quality control and inspection |
| c) In house & Third Parties |
| d) Ordering and warehousing |
| 9)Packing: Wooden cases or according to customers’ needs |
Packaging & Shipping
FAQ
Q: Why choose CZPT product?
A: We CZPT have our own plant– HangZhou CZPT machinery Co., Ltd, therefore, we can surely
promise the quality of every product and provide you comparable price.
Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
Q: Do you provide customized shaft products?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
If you are interested in the product, please click ” SEND ” for more details. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Processing Object: | Metal |
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| Molding Style: | Forging |
| Molding Technics: | Pressure Casting |
| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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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 proper maintenance extend the lifespan of axle shafts and drivetrains?
Proper maintenance plays a crucial role in extending the lifespan of axle shafts and drivetrains in vehicles. By following recommended maintenance practices, owners can prevent premature wear, identify potential issues early, and ensure optimal performance. Here’s a detailed explanation of how proper maintenance extends the lifespan of axle shafts and drivetrains:
- Lubrication: Regular lubrication is essential for axle shafts and drivetrain components. Adequate lubrication reduces friction between moving parts, minimizing wear and heat generation. It helps prevent metal-to-metal contact, which can lead to damage and premature failure. Proper lubrication ensures smooth operation and protects against corrosion, promoting the longevity of axle shafts and drivetrain components.
- Fluid Inspection and Replacement: Regular inspection and replacement of fluids, such as gear oil and transmission fluid, are essential for maintaining the health of axle shafts and drivetrains. Over time, fluids can become contaminated, lose their lubricating properties, or develop excessive wear particles. By regularly inspecting and replacing fluids according to the manufacturer’s recommendations, owners can ensure optimal lubrication and cooling, reducing the risk of component damage and extending the lifespan of axle shafts and drivetrains.
- Seal and Boot Maintenance: Axle shafts are equipped with seals and boots that protect them from contamination and retain lubricants. Proper maintenance involves inspecting and replacing damaged or worn seals and boots. Cracked or torn boots can allow dirt, moisture, and debris to enter, leading to accelerated wear and potential damage to the axle shafts and other drivetrain components. Regular maintenance of seals and boots helps maintain a protective barrier, preserving the integrity and longevity of the axle shafts and drivetrains.
- Alignment and Suspension: Proper alignment and suspension settings are crucial for the health of axle shafts and drivetrains. Misalignment or improper suspension geometry can place excessive stress on the axle shafts, leading to premature wear or failure. Regular wheel alignment and suspension inspections, as well as addressing any issues promptly, help distribute the load evenly across the axle shafts, reducing strain and extending their lifespan.
- Regular Inspections: Conducting regular inspections of the axle shafts and drivetrain components allows owners to identify any signs of wear, damage, or abnormalities. This includes checking for excessive play, unusual noises, leaks, or vibrations. By catching potential issues early, owners can take timely action, such as repairing or replacing worn components, preventing further damage and preserving the overall health and longevity of the axle shafts and drivetrains.
- Proper Driving Habits: Responsible driving habits can also contribute to the extended lifespan of axle shafts and drivetrains. Avoiding aggressive acceleration, hard braking, and abrupt shifts can reduce stress on these components. Smooth and controlled driving minimizes sudden torque changes and excessive forces, preventing unnecessary wear and extending the life of axle shafts and drivetrains.
By adhering to proper maintenance practices, owners can significantly increase the lifespan of axle shafts and drivetrains in their vehicles. Regular lubrication, fluid inspection and replacement, seal and boot maintenance, alignment and suspension checks, regular inspections, and adopting responsible driving habits all contribute to reducing wear, preventing damage, and maximizing the performance and longevity of axle shafts and drivetrains.
In summary, proper maintenance plays a vital role in extending the lifespan of axle shafts and drivetrains. It ensures adequate lubrication, inspects and replaces fluids, maintains seals and boots, addresses alignment and suspension issues, conducts regular inspections, and promotes responsible driving. By following these practices, owners can enjoy a longer lifespan and optimal performance from their vehicle’s axle shafts and drivetrains.
What is the role of axle shafts in the functionality and safety of a vehicle?
The axle shafts play a crucial role in the functionality and safety of a vehicle’s drivetrain. These components are responsible for transmitting torque from the differential or transaxle to the wheels, enabling power delivery and facilitating smooth vehicle operation. Here’s a detailed explanation of the role of axle shafts in the functionality and safety of a vehicle:
Power Transmission:
The primary function of axle shafts is to transfer rotational power from the engine to the wheels. When the engine generates torque, it travels through the transmission system and reaches the differential or transaxle. From there, the axle shafts transmit the torque to the individual wheels, allowing them to rotate and propel the vehicle forward or backward. Axle shafts ensure efficient power transmission, enabling the vehicle to accelerate, maintain speed, and climb inclines effectively.
Wheel Connectivity:
Axle shafts serve as the physical link between the wheels and the drivetrain. They connect the wheels to the differential or transaxle, ensuring that the rotational force generated by the engine is effectively transferred to each wheel. This connectivity enables synchronized wheel movement and coordination, ensuring stable handling, traction, and control of the vehicle.
Suspension Support:
Axle shafts also provide support to the vehicle’s suspension system. They are part of the suspension geometry and assist in maintaining proper wheel alignment and positioning. Axle shafts help bear the weight of the vehicle and absorb various forces and vibrations encountered while driving, contributing to a smoother and more comfortable ride. Additionally, they assist in managing weight transfer during acceleration, braking, and cornering, enhancing stability and handling characteristics.
Drivetrain Safety:
Axle shafts contribute to the safety of the vehicle’s drivetrain in several ways:
- Wheel Power Distribution: By transmitting torque to each wheel, axle shafts ensure balanced power distribution. This helps prevent excessive wheel spin or loss of traction, improving overall stability and control, especially in challenging driving conditions such as slippery surfaces or uneven terrain.
- Steering Control: Axle shafts play a role in the vehicle’s steering system, especially in vehicles with front-wheel drive or all-wheel drive configurations. They assist in transferring the rotational force to the front wheels, allowing for precise steering control and responsiveness.
- Braking Performance: Axle shafts contribute to the effectiveness of the braking system. As the wheels decelerate during braking, the rotational force is transmitted through the axle shafts to the differential or transaxle, facilitating proper distribution of braking force to all wheels. This helps maintain stability, prevent skidding, and ensure efficient braking performance.
Overall Vehicle Safety:
Proper functionality of axle shafts isessential for the overall safety of the vehicle:
- Preventing Catastrophic Failures: Well-maintained and properly functioning axle shafts reduce the risk of catastrophic failures that can lead to loss of control or accidents. Regular inspections and timely repairs or replacements help ensure that the axle shafts are in good condition and can withstand the forces and stresses encountered during normal driving.
- Enhancing Stability and Handling: Axle shafts contribute to the stability and handling characteristics of the vehicle. By facilitating proper power transmission and wheel connectivity, they help maintain traction, prevent wheel slippage, and improve overall vehicle control during various driving maneuvers.
- Supporting Suspension Components: Axle shafts provide support to other suspension components, such as control arms, struts, and springs. In doing so, they assist in maintaining proper suspension geometry, which is critical for safe and predictable handling. A well-functioning suspension system helps absorb shocks, maintain tire contact with the road, and provide a comfortable ride.
- Contributing to Braking Efficiency: The proper functioning of axle shafts ensures effective distribution of braking force to all wheels, enhancing the vehicle’s braking performance and reducing stopping distances. This contributes to overall safety by allowing the driver to maintain control and respond to emergency situations more effectively.
Overall, axle shafts play a vital role in the functionality and safety of a vehicle. They enable power transmission, connect the wheels to the drivetrain, support the suspension system, and contribute to stable handling, traction, and braking performance. Regular maintenance, inspections, and prompt repairs or replacements are essential to ensure the proper functioning of axle shafts and maintain the safety of the vehicle’s drivetrain.
Are there different axle shaft designs for rear-wheel drive and front-wheel drive vehicles?
Yes, rear-wheel drive (RWD) and front-wheel drive (FWD) vehicles typically employ different axle shaft designs to accommodate their respective drivetrain configurations. The axle shafts in RWD and FWD vehicles differ in their construction, orientation, and connection to the wheels. Here’s a detailed explanation of the axle shaft designs used in RWD and FWD vehicles:
Rear-Wheel Drive (RWD) Vehicles:
In RWD vehicles, the engine’s power is transmitted to the rear wheels through the drivetrain components. The axle shaft design in RWD vehicles is commonly referred to as a solid axle or full-floating axle. Here are the key characteristics of RWD axle shafts:
- Rigid Shaft: RWD axle shafts are typically solid and rigid, connecting the differential directly to each rear wheel. They are designed to handle high torque loads and provide robustness, making them suitable for heavy-duty applications.
- Single Connection: Each rear wheel has its own dedicated axle shaft, which connects directly to the wheel hub. The axle shaft transfers power to the wheel, enabling it to rotate.
- Support and Power Transfer: RWD axle shafts support the weight of the vehicle and transmit torque from the differential to the wheels. They facilitate smooth power delivery and enable the rear wheels to propel the vehicle forward or backward.
- Less Articulation: Since RWD vehicles typically have a solid rear axle, the axle shafts have limited articulation compared to FWD vehicles. This design simplifies the construction but may result in reduced suspension flexibility and a harsher ride quality.
Front-Wheel Drive (FWD) Vehicles:
In FWD vehicles, the engine’s power is transmitted to the front wheels through the drivetrain components. FWD axle shafts are commonly known as half shafts or CV axles (constant velocity axles). Here are the main characteristics of FWD axle shafts:
- Compact and Lightweight: FWD axle shafts are typically lighter and more compact than RWD axle shafts. They are designed to accommodate the space limitations in the front-wheel-drive layout.
- Constant Velocity (CV) Joints: FWD axle shafts incorporate constant velocity (CV) joints, which allow for flexibility and rotation at various angles. CV joints compensate for the changing length and angle of the axle shafts during suspension movement and steering.
- Transverse Orientation: FWD axle shafts are positioned transversely across the vehicle, connecting the differential or transaxle to the front wheels. This orientation allows for efficient power transfer and space utilization in FWD vehicles.
- Support and Power Transfer: FWD axle shafts support the weight of the vehicle and transmit torque from the differential or transaxle to the front wheels. They enable the front wheels to rotate and provide the driving force for vehicle movement.
- Increased Articulation: FWD axle shafts have greater articulation capabilities due to the need to accommodate suspension movement and steering angles. The CV joints allow the axle shafts to flex and rotate, ensuring smooth power delivery even when the wheels are turned or the suspension is compressed.
These axle shaft designs in RWD and FWD vehicles are tailored to the specific requirements and configurations of each drivetrain layout. They optimize power transmission, support the wheels, and ensure efficient operation based on the unique characteristics of rear-wheel drive and front-wheel drive systems.
editor by CX 2024-04-10