China Good quality Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley engine pulley

Product Description


.  Feature

Our Timing Belt uses Japan-imported high quality synthetic neoprene, high quality glass fiber cord and tooth surface with nylon 66 high stretch do the protection. The timing belt adapts teeth or teeth mesh to transfer power. It needs no lubrication, no slip, no pollution, less noise. The transmission efficiency is over 98%, and the speed ratio can reach 1:10. Linear velocity can be up to 50m/s. Its dynamic bending wind gives a good fatigue performance, and good aging heat-resistance abrasion performance.

. Parameters

Figure 1. Physicomechanical Property

Item  Trapezoid Teeth Arc Teeth
XL L H XH XXH 3M 5M 8M 14M 20M
Tensile Strength N/mm 80 120 270 380 450 90 160 300 400 520
Elongation Reference at Loading   N 60 90 220 300 360 70 130 240 320 410
Adhesion strength of cloth N/mm 5 6.5 8 10 12 6 10 12 15
Adhesion strength of core N/mm 200 300 600 800 1500 400 700 1200 1600
Gear shearing intensity N/mm 50 60 70 75 90 50 60 80 100
Elongation ≤ % 4%
Hardness Shore A 75 ± 5

Figure 2: Belt Teeth Size

Type Pitch (pb) mm Tooth height (ht) mm Belt thick (hs) mm Angle
MXL 2.032 0.51 1.14 40º
XXL 3.175 0.76 1.52 40º
XL 5.080 1.27 2.3 40º
L 9.525 1.91 3.6 40º
H 12.7 2.29 4.3 40º
XH 22.225 6.35 11.2 40º
XXH 31.7 9.53 15.7 40º
T2.5 2.5 0.7 1.3 40º
T5 5.0 1.2 2.2 40º
T10 10 2.5 4.5 40º
T20 20 5.0 8.0 40º
AT5 5.0 1.2 2.7 40º
AT10 10 2.5 5.0 40º
AT20 20 5.0 8.0 40º

. Production Equipment
01, pulley CNC processing zone                            02, synchronous belt making machine                  03, synchronous round roll teeth processing zone
04, synchornous belt curing processing zone        05, 3 roll calender                                            06, direct drive belt forming machine
07, pulley workshop timing mould

. Quality Testing


Q1.  Can I have a sample order?
        Yes, any sample order is welcome to know the quality of our products.

Q2.  What about the lead time of the sample or the final order?
        2-5 days for normal sample.
        20-30 days for a formal order.

Q3. How much is the minimum quantity for each item in 1 order?
       One mould quantity is ok. Usually around 100pcs for small item, several dozens for big item. 

Q4. Is it possible to print our logo or brand on the belt?
       Yes, we can print your logo or design on the belt after receipt of your formal authorization        letter of the logo or your brand.

Q5. Do you offer the guarantee for your product?
       Yes, usually we offer 1 year warranty for all of our products.


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Standard or Nonstandard: Standard
Application: Electric Cars, Motorcycle, Car
Feature: Wear-Resistant, High Temperature-Resistance
Tensile Strength: Strong
Material: Rubber
Type: Toothed Belt
US$ 0.1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

xl pulley

Can XL pulleys be integrated into existing mechanical systems for upgrades?

Yes, XL pulleys can be integrated into existing mechanical systems for upgrades. Here is a detailed explanation of the integration process and the benefits of upgrading with XL pulleys:

1. Compatibility:

XL pulleys are designed to be compatible with standard timing belts, making them suitable for integration into existing systems that utilize timing belt drives. The pulleys are available in various sizes and tooth profiles, allowing for easy replacement and compatibility with different belt lengths and widths.

2. Improved Performance:

Integrating XL pulleys into an existing mechanical system can lead to improved performance. XL pulleys offer advantages such as higher torque capacity, increased speed capabilities, and better power transmission efficiency compared to smaller pulley sizes. Upgrading to XL pulleys can enhance the system’s overall performance, allowing for higher loads, faster speeds, and improved efficiency.

3. Enhanced System Precision:

XL pulleys are known for their precise tooth profiles and accurate dimensional control. By integrating XL pulleys, the system can benefit from improved positional accuracy and reduced backlash. This is particularly important in applications where precise positioning or synchronization is crucial, such as CNC machines, robotics, or high-precision conveyors.

4. Customization Options:

XL pulleys offer customization options, allowing them to be tailored to specific system requirements. Manufacturers can modify pulley dimensions, bore sizes, keyway configurations, or tooth profiles to match the existing system’s needs. This customization capability ensures a seamless integration into the system without the need for significant modifications or adaptations.

5. Cost-Effective Upgrade:

Integrating XL pulleys into an existing mechanical system can be a cost-effective upgrade option. Since the system’s core components, such as the shafts and bearings, remain unchanged, the upgrade primarily involves replacing the existing pulleys with XL pulleys. This reduces the cost and complexity associated with a complete system overhaul while still providing significant performance improvements.

6. Ease of Installation:

The integration of XL pulleys into existing systems is relatively straightforward. The process typically involves removing the old pulleys and replacing them with the new XL pulleys. As long as the pulley dimensions and tooth profiles are compatible, installation can be completed with basic tools and minimal downtime.

7. System Scalability:

XL pulleys offer scalability options, allowing for future system expansions or modifications. If the mechanical system requires capacity upgrades or changes in operating conditions, integrating XL pulleys provides flexibility for system scalability. Additional pulleys can be easily added or replaced to accommodate the evolving needs of the system.

In summary, XL pulleys can be successfully integrated into existing mechanical systems for upgrades. The compatibility, improved performance, enhanced precision, customization options, cost-effectiveness, ease of installation, and system scalability make XL pulleys a viable choice for upgrading mechanical systems to achieve better performance, efficiency, and adaptability.

xl pulley

What maintenance practices should be followed to ensure the longevity of XL pulleys?

To ensure the longevity of XL pulleys, it is important to follow proper maintenance practices. Here are some key practices to consider:

1. Regular Inspection:

Perform regular visual inspections of the XL pulleys to check for any signs of wear, damage, or misalignment. Look for worn-out or damaged teeth, cracks, or excessive wear on the pulley surfaces. Inspect the pulleys for proper alignment and ensure that they are securely mounted.

2. Belt Tension:

Maintain the proper tension in the timing belt that is used with the XL pulleys. Incorrect belt tension can cause slippage, premature wear, and reduced power transmission efficiency. Follow the manufacturer’s guidelines or specifications to determine the correct tension for the specific application and adjust it accordingly.

3. Lubrication:

XL pulleys typically do not require lubrication as they are designed for dry operation. However, in some cases, the manufacturer may recommend specific lubrication practices for certain applications. If lubrication is required, use the recommended lubricant and follow the manufacturer’s instructions carefully.

4. Cleaning:

Keep the XL pulleys clean and free from debris, dust, or other contaminants. Regularly clean the pulleys using a soft brush or cloth to remove any build-up that may affect their performance or cause premature wear.

5. Environmental Considerations:

Consider the operating environment of the XL pulleys and take appropriate measures to protect them. In harsh or corrosive environments, use pulleys made from materials that are resistant to corrosion or degradation. Implement protective measures such as covers or enclosures to shield the pulleys from exposure to dirt, moisture, or chemicals.

6. Replacement:

If any signs of significant wear, damage, or deformation are observed during inspections, consider replacing the XL pulleys promptly. Continuing to use worn-out or damaged pulleys can lead to reduced performance, increased risk of failure, and potential damage to other components in the power transmission system.

It is important to consult the manufacturer’s guidelines and recommendations for specific maintenance practices for the XL pulleys used in your application. Following the recommended maintenance practices will help ensure the longevity, reliability, and optimal performance of the XL pulleys in power transmission systems.

xl pulley

What materials are typically used in the construction of XL pulleys?

The construction of XL pulleys involves the use of various materials, depending on the specific application requirements, load capacity, and cost considerations. Here are the materials commonly used in the construction of XL pulleys:

1. Aluminum:

Aluminum is a lightweight and corrosion-resistant material commonly used in XL pulleys. It offers good strength-to-weight ratio and excellent machinability, making it suitable for many applications. Aluminum pulleys are often used in robotics, automation systems, and other applications where weight reduction is desirable.

2. Steel:

Steel is a durable and robust material used in XL pulleys for applications that require higher load capacity and strength. Steel pulleys provide excellent resistance to wear and can handle heavy-duty applications. They are commonly used in industrial machinery, automotive components, and other demanding applications.

3. Plastic:

Plastic pulleys are lightweight, cost-effective, and offer good resistance to chemicals and corrosion. They are commonly made from materials such as nylon, acetal, or polycarbonate. Plastic pulleys are used in a variety of applications, including 3D printers, medical devices, and smaller-scale machinery.

4. Composite Materials:

Composite materials, such as fiberglass-reinforced polymers, are sometimes used in the construction of XL pulleys. These materials offer a combination of properties, including high strength, low weight, and resistance to corrosion. Composite pulleys are often used in aerospace, marine, and other specialized applications.

5. Stainless Steel:

Stainless steel is chosen for XL pulleys when corrosion resistance is of utmost importance. Stainless steel pulleys exhibit excellent resistance to rust and corrosion, making them suitable for applications in harsh environments or where exposure to moisture or chemicals is expected.

It’s important to note that the material selection for XL pulleys depends on factors such as the application requirements, load capacity, environmental conditions, and budget constraints. Manufacturers consider these factors to determine the most suitable material for achieving the desired performance and reliability in specific applications.

China Good quality Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   engine pulleyChina Good quality Mxl XL L Htd 3m 5m 8m Aluminum Alloy Timing Synchronous Automotive Rubber Poly V Transmission Belt Pulley   engine pulley
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