Product Description
1 About Tedrail
Terail is a professional manufacturer of railway products located in ZheJiang China. We can supply most of Bogie parts, Wagon parts, Coach parts, Locomotive parts based on customer requirements. Expert in design, manufacture, and inspection, Tedrail can offer you guaranteed products and also complete solution of railway industry.
2 What axle steel grades and standards Tedrail support?
Tedrail support and confirm to a wide range of axle standards and steel grade.
Standard Material Heat Treatment Approach
TB/T 2945-1999 LZ50 N(Twice) followed by T
AAR M-101-2011 AAR Grade F N(Twice) followed by T
AAR Grade G Q followed by T
AAR Grade H N,Q followed by T
EN 13261-2009 EA1N N
EA1T Q followed T
EA4T Q followed T
UIC 811-1-1987 A1 (U),N,T
A2 N
A3 N,T
A4 T
A5 T
Less common standards:
JIS E 4502
GMRT 2466
IRS 16/95
CME-1
Customized technical specification can be met.
REF: N-Normalizing T-Tempering Q-Quenching U-Untreated
Chemical Analysis of Wide-used Steel in Different Standards
LZ50 Elements C Mn Si P S Cr Ni Cu T.Al
Percentage% 0.47-0.57 0.60-0.90 0.17-0.40 ≤0.03 ≤0.03 ≤0.30 ≤0.30 ≤0.25 ≥0.02
Tolerance ±0.02 ±0.03 ±0.02 +0.005 +0.005
AAR GradeF Elements C Mn Si P S V
Percentage% 0.45-0.59 0.75-1.00 ≥0.15 ≤0.045 ≤0.05 0.02-0.08
Tolerance ±0.03 -0.02 +0.008 +0.008 ±0.001
EA1N Elements C Mn Si P S Cr Ni Cu V Mo
Percentage% ≤0.40 ≤1.20 ≤0.50 ≤0.02 ≤0.02 ≤0.30 ≤0.30 ≤0.30 ≤0.06 ≤0.08
Tolerance +0.005 +0.005
A1 Elements C Mn Si P S Cr Ni Cu V Mo
Percentage% ≤0.37 ≤1.12 ≤0.46 ≤0.04 ≤0.04 ≤0.30 ≤0.30 ≤0.30 ≤0.05 ≤0.05
Tolerance +0.03 +0.08 +0.04
3 The Manufacturing
The mail process of axle manufacturing are the reducing from ingot or bloom, heat-treatment , tensile and ultrasonic test, machining and coating. From the bloom check to tensile or ultrasonic test, Tedrail will take a serious control of the manufacturing to guarantee the quality of axle.
4 How do we guarantee the quality?
Experienced Design Engineering
After our talented engineers get your drawings, they’ll quickly grasp it and point out the key-points.
Mature Workshop Directing
Mature workshop directing will make sure the manufacturing process precisely control the quality so that the customer’s demands will be confirmed.
Comprehensive Tests and Inspections
Tedrail will carry out comprehensive tests to make sure the quality of Axle. Any test in relevant production procedure must be approved or the axle will be eliminated.
Test Category
Chemical Analysis
Tensile and Impact Test with Mechanical Analysis
Micrographic/Microscopic Test
Macrographic /Macroscopic Test
Ultrasonic Test
Magnetic Test
Appearance and Dimensions Inspection
Serious Quality Assurance
After the production is done, our quality assurance team will double-check every axle to guarantee that the axle meet the requirements of clients.
ZheJiang tedrail industrial co.,ltd is a high -tech enterprise intergrating railway passenger cars ,metro vehicles ,railway vehicle and rail fitting design and manufacturing .the company is committed to provide customers with the railway passengers transport system,railway freight system solutions ,the company has an experienced railway vehicle design team and ready to provide users with fast ,high-quality services at any time .the company products have been exported to the United States ,South Afric ,Brazil ,and other countries .covering the vehicle ,bogie and accessories ,coupler and accessories .gangway ,seat ,luggage rack ,air conditioning ,driver operation desk ,electrical cabinets ,electric connectors ,PIS system,FRP CZPT materials.
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| Customized: | Customized |
|---|---|
| Certification: | ISO9001 |
| Type: | Shoulder |
| Axle Type: | Finished |
| Payment: | T/T,LC |
| Delivery Time: | 30days |
| Customization: |
Available
| Customized Request |
|---|
Where can I find information on axle load limits for various types of vehicles?
When seeking information on axle load limits for different types of vehicles, there are several reliable sources where you can find the necessary information. Here’s a detailed explanation of where you can find information on axle load limits:
1. Vehicle Owner’s Manual:
The first and most accessible source of information on axle load limits is the vehicle owner’s manual. The owner’s manual provided by the vehicle manufacturer typically includes important details about the vehicle’s specifications, including axle load limits. Look for sections related to vehicle loading, weight distribution, or axle specifications to find the recommended load limits for each axle of your specific vehicle model.
2. Government Transportation Authorities:
Government transportation authorities, such as departments of transportation or road transport authorities, often provide guidelines and regulations regarding vehicle weight limits, including axle load limits. These authorities establish and enforce weight restrictions to ensure road safety and prevent damage to infrastructure. Visit the website of your local or national transportation authority to access relevant regulations or guidelines pertaining to axle load limits for various types of vehicles.
3. Commercial Vehicle Regulations:
If you are specifically interested in axle load limits for commercial vehicles, such as trucks or buses, consult the commercial vehicle regulations applicable in your region. These regulations are established to ensure safe and efficient operation of commercial vehicles on public roads. Regulatory bodies responsible for commercial vehicle operations often provide detailed information on axle load limits, weight distribution requirements, and other related specifications.
4. Vehicle Manufacturer or Dealer:
If you require axle load limit information for a specific vehicle model or variant, contacting the vehicle manufacturer or a local authorized dealer can be helpful. They can provide accurate and up-to-date information specific to your vehicle. Provide them with the vehicle identification number (VIN) or other relevant details to ensure they can assist you accurately.
5. Online Resources and Databases:
There are online resources and databases dedicated to providing information on vehicle specifications, including axle load limits. These resources may include vehicle data websites, forums, or government databases that compile and provide access to vehicle specifications and regulatory information. Conduct an internet search using relevant keywords to find reliable online sources that offer information on axle load limits for various types of vehicles.
When seeking information on axle load limits, it’s crucial to ensure that the information you obtain is accurate, up-to-date, and applicable to your specific vehicle and jurisdiction. Regulations and load limits can vary depending on the country, region, vehicle type, and other factors. Therefore, it is advisable to consult official sources or seek professional advice to ensure compliance with applicable regulations and ensure safe and legal operation of your vehicle.
What are the symptoms of a failing CV joint, and how does it relate to the axle?
A CV (constant velocity) joint is an essential component of the axle assembly in many vehicles. When a CV joint starts to fail, it can exhibit several symptoms that indicate potential problems. Here’s a detailed explanation of the symptoms of a failing CV joint and its relationship to the axle:
Symptoms of a Failing CV Joint:
1. Clicking or popping sounds: One of the most common signs of a failing CV joint is a clicking or popping sound when making turns. This noise usually occurs during tight turns and may indicate worn-out or damaged CV joint bearings.
2. Grease leakage: A failing CV joint may leak grease, which can be seen as dark-colored grease splattered around the CV joint or on the inside of the wheel. Grease leakage is typically caused by a cracked or damaged CV joint boot, which allows the lubricating grease to escape and contaminants to enter.
3. Excessive vibration: A worn-out CV joint can cause vibrations, especially during acceleration. The vibrations may be felt in the steering wheel, floorboards, or even the entire vehicle. These vibrations can become more noticeable as the CV joint deteriorates further.
4. Difficulty in turning: As the CV joint wears out, it may become difficult to turn the vehicle, especially at low speeds or when making sharp turns. This symptom is often accompanied by a clicking or popping sound.
5. Uneven tire wear: A failing CV joint can lead to uneven tire wear. If the CV joint is damaged or worn, it can cause the axle to wobble or vibrate, resulting in uneven tire tread wear. This can be observed by visually inspecting the tires and noticing uneven patterns of wear.
Relationship to the Axle:
The CV joint is an integral part of the axle assembly. It connects the transmission to the wheels and allows smooth power delivery to the wheels while accommodating the up-and-down motion of the suspension. The axle shaft is responsible for transmitting torque from the transmission to the CV joints and ultimately to the wheels.
Axles contain one or more CV joints, depending on the vehicle’s drivetrain configuration. In front-wheel drive vehicles, each front axle typically has two CV joints, one inner and one outer. Rear-wheel drive and all-wheel drive vehicles may have CV joints on both the front and rear axles.
The CV joint consists of a joint housing, bearings, and internal ball bearings or rollers. It is protected by a rubber or thermoplastic CV joint boot, which seals in the grease and protects the joint from contaminants. When the CV joint fails, it can affect the axle’s ability to transmit power smoothly and result in the symptoms mentioned above.
Regular inspection and maintenance of the CV joint and axle assembly are crucial to identify and address any issues promptly. If any of the symptoms mentioned earlier are observed, it is recommended to have the vehicle inspected by a qualified mechanic to determine the exact cause and perform necessary repairs or replacements.
Are there aftermarket axles available for upgrading performance in off-road vehicles?
Yes, there are aftermarket axles available for upgrading performance in off-road vehicles. Off-road enthusiasts often seek aftermarket axle options to enhance the durability, strength, and performance of their vehicles in rugged and demanding terrains. Here’s some information about aftermarket axles for off-road applications:
1. Upgraded Axle Materials:
Aftermarket axles are typically made from high-strength materials such as chromoly steel or forged alloys. These materials offer superior strength and durability compared to stock axles, making them better suited for off-road use where extreme loads, impacts, and torsional forces are encountered.
2. Increased Axle Shaft Diameter:
Some aftermarket axles feature larger diameter shafts compared to stock axles. This increased diameter helps improve the axle’s load-carrying capacity and resistance to bending or torsion. It can also enhance the overall durability and reliability of the axle in off-road conditions.
3. Upgraded Axle Splines:
Axles with upgraded splines are designed to handle higher torque loads. Aftermarket axles may feature larger and stronger splines, providing increased power transfer capabilities and reducing the risk of spline failure, which can occur in extreme off-road situations.
4. Locking Differentials:
Some aftermarket axle options include integrated locking differentials. Locking differentials improve off-road traction by mechanically locking both wheels on an axle together, ensuring that power is distributed evenly to both wheels. This feature can be advantageous in challenging off-road conditions where maximum traction is required.
5. Lifted Vehicle Compatibility:
Aftermarket axles are often designed to accommodate lifted vehicles. Lift kits that raise the suspension height can impact the axle’s operating angles. Aftermarket axles may offer increased articulation or modified geometry to maintain proper alignment and reduce the risk of binding or premature wear.
When considering aftermarket axles for off-road vehicles, it’s essential to choose options that are compatible with your specific vehicle make, model, and suspension setup. Working with reputable manufacturers, consulting with experienced off-road enthusiasts, or seeking advice from professional mechanics can help you select the most suitable aftermarket axle upgrades for your off-road needs.
Lastly, it’s important to keep in mind that upgrading axles alone may not be sufficient for maximizing off-road performance. Other components such as suspension, tires, differential gears, and drivetrain systems should be considered as part of a comprehensive off-road build to ensure optimal performance, reliability, and safety.
editor by CX 2024-04-30