China supplier Aluminum Timing Pulley Mxl XL L H Xh Xxh T2.5 T5 T10 At5 At10 S2m S3m S5m S8m Gt2 Gt3 Gt5 3m 5m 8m Tooth Timing Belt Pulley pulley belt

Product Description

Product Description

Aluminum/C45 Timing Belt  Pulley

 Product  Name Aluminium Timing Pulley MXL XL L H XH XXH T2.5 T5 T10 AT5 AT10 S2M S3M S5M S8M GT2 GT3 GT5 3M 5M 8M Tooth timing Belt Pulley
Teeth profile  Trapezoidal toothed  MXL, XXL, XL, L, H, XH, XXH
 T-toothed  T2.5, T5, T10, T20
 Arc toothed  HTD3M, HTD5M, HTD8M, HTD14M, HTD20M, Gt2,  Gt3, Gt5
 S-toothed  S2M, S3M, S4.5M, S5M, S8M, S14M
 Parabolic-toothed  P2M, P3M, P5M, P8M, P14M
 Y-toothed  G2M, G3M, G5M, Y8M
 Teeth Quantity  10-150 teeth or customized
 Inner Bore  2-200mm H7 precision or customized
Belt width  4mm, 6mm, 9mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 1/4”, 5/16”, 3/8”, 1/2”, 3/4”, 1”, 1.5”, 2”or customized
Material carbon steel C45, Aluminum 6061, 6082
Surface  treatment  Anodize,Black Oxide,Phosphate, Galvanization, Nitriding, Dichromate


Detailed Photos



Timing pulley used on conveyor roller 




Lathe machine, Hobbing machine,Drilling machine,CNC machine,Milling machine, etc



Q1: Are you trading company or manufacturer ?
A: We are factory.

Q2: How long is your delivery time and shipment?
1.Sample Lead-times: 10-20 days.
2.Production Lead-times: 30-45 days after order confirmed.

Q3: What is your advantages?
1. The most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.


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xl pulley

How do XL pulleys compare to other pulley types, such as HTD or V-belt pulleys?

XL pulleys, HTD pulleys, and V-belt pulleys are all popular types of pulleys used in mechanical systems. Here is a detailed comparison of XL pulleys with HTD and V-belt pulleys:

1. Tooth Profile:

XL pulleys and HTD (High Torque Drive) pulleys both utilize toothed belts for power transmission. The main difference lies in their tooth profiles. XL pulleys have trapezoidal teeth, while HTD pulleys have a curvilinear tooth profile. V-belt pulleys, on the other hand, are designed for V-belts, which have a wider, wedge-shaped cross-section.

2. Power Transmission Capacity:

XL pulleys and HTD pulleys offer higher power transmission capacities compared to V-belt pulleys. The toothed belt designs of XL and HTD pulleys provide a positive engagement, preventing slippage under higher loads or torque. V-belt pulleys rely on friction between the belt and pulley, limiting their power transmission capacity.

3. Speed Capability:

XL pulleys and HTD pulleys are both suitable for higher speed applications compared to V-belt pulleys. The toothed belt designs allow for better grip and reduced belt slippage, enabling XL and HTD pulleys to operate at higher rotational speeds without compromising performance. V-belt pulleys are generally suitable for lower speed applications.

4. Efficiency:

XL pulleys and HTD pulleys offer higher efficiency compared to V-belt pulleys. The positive engagement between the toothed belts and pulleys in XL and HTD systems minimizes slippage and associated energy losses. V-belt pulleys, relying on friction, may experience higher energy losses due to belt slip.

5. Precision and Positioning:

XL pulleys and HTD pulleys provide better positional accuracy and reduced backlash compared to V-belt pulleys. The toothed belt systems offer improved control and synchronization, making them suitable for applications that require precise positioning or timing, such as robotics or CNC machines.

6. Noise and Vibration:

XL pulleys and HTD pulleys generally produce less noise and vibration compared to V-belt pulleys. The toothed belt systems exhibit smoother operation due to their positive engagement, reducing noise and vibration levels. V-belt pulleys may generate more noise and vibration due to potential slippage and belt oscillation.

7. Installation and Maintenance:

XL pulleys, HTD pulleys, and V-belt pulleys are all relatively easy to install and maintain. However, V-belt pulleys may require more frequent tension adjustments and periodic belt replacements due to belt wear and stretch. Toothed belt systems, including XL and HTD pulleys, often require less maintenance and offer longer belt life.

8. Application Suitability:

The choice between XL pulleys, HTD pulleys, and V-belt pulleys depends on the specific application requirements. XL and HTD pulleys are commonly used in industrial automation, power transmission, and precision machinery applications that demand higher torque, speed, and accuracy. V-belt pulleys are often employed in applications such as HVAC systems, automotive engines, and smaller machinery.

In summary, XL pulleys, HTD pulleys, and V-belt pulleys have differences in tooth profile, power transmission capacity, speed capability, efficiency, precision, noise/vibration levels, installation/maintenance, and application suitability. Understanding these differences is crucial in selecting the most appropriate pulley type for a given mechanical system and its specific requirements.

xl pulley

How does the size of an XL pulley impact its load-bearing capacity?

The size of an XL pulley plays a significant role in determining its load-bearing capacity. Here’s how the size of an XL pulley impacts its load-bearing capacity:

1. Surface Area:

The size of the pulley affects the surface area over which the force is distributed. Larger pulleys generally have a larger surface area, allowing for better force distribution and reducing the stress concentration on the pulley. This increased surface area helps in handling higher loads and reduces the risk of pulley failure.

2. Moment Arm:

The size of the pulley also affects the moment arm, which is the perpendicular distance from the center of the pulley to the line of action of the force. A larger pulley typically has a longer moment arm, resulting in a larger torque or moment applied to the pulley. This increased torque capacity allows the pulley to handle higher loads without experiencing excessive deflection or failure.

3. Tooth Engagement:

XL pulleys transmit power through the engagement of their teeth with the corresponding teeth on the timing belt. The size of the pulley determines the number of teeth and the contact area between the pulley and the belt. A larger pulley with more teeth provides increased contact area and better tooth engagement, resulting in improved load-bearing capacity and power transmission efficiency.

4. Material Strength:

The size of the pulley can also impact the selection of materials with appropriate strength properties. Larger pulleys may require materials with higher strength to withstand the increased loads. The choice of materials with adequate tensile strength, fatigue resistance, and durability becomes crucial in ensuring the load-bearing capacity of the pulley.

5. Speed and Torque:

The size of the pulley influences the speed and torque characteristics of the system. Larger pulleys can accommodate larger belts, resulting in increased belt contact surface and improved power transmission. This allows for higher torque transfer capabilities, enabling the pulley to handle heavier loads.

It’s important to note that while larger pulleys generally have higher load-bearing capacities, other factors such as material properties, design considerations, and proper installation also influence the overall load capacity of the pulley system. Therefore, it is essential to consult the manufacturer’s guidelines and engineering calculations to determine the appropriate pulley size and ensure safe operation under the desired load conditions.

xl pulley

Are XL pulleys available in different sizes and configurations?

Yes, XL pulleys are available in a variety of sizes and configurations to accommodate different application requirements. The size and configuration of XL pulleys can vary in terms of the number of teeth, pitch diameter, bore size, and overall dimensions. Here are some key aspects of the size and configuration options for XL pulleys:

1. Number of Teeth:

XL pulleys are manufactured with a specific number of teeth that correspond to the tooth profile of the timing belt they are designed to work with. The number of teeth affects the speed ratio, torque transmission, and positioning resolution of the pulley system. XL pulleys can have different tooth counts to meet the specific motion control requirements of the application.

2. Pitch Diameter:

The pitch diameter of an XL pulley refers to the diameter of the circle formed by the centerline of the pulley’s teeth. XL pulleys are available with different pitch diameters to accommodate various belt lengths and speed requirements. The pitch diameter affects the linear velocity and torque transfer capabilities of the pulley system.

3. Bore Size:

The bore size of an XL pulley refers to the diameter of the central hole through which the pulley is mounted onto a shaft. XL pulleys are designed with different bore sizes to fit various shaft diameters. They can have standard bores or keyway/keyslot configurations to ensure secure and precise shaft coupling.

4. Overall Dimensions:

XL pulleys come in different overall dimensions, which include the outer diameter, hub width, and flange size. The outer diameter determines the pulley’s physical size, while the hub width and flange size affect the pulley’s stability and belt retention. These dimensions are chosen based on the specific application requirements and available space constraints.

5. Customization:

While standard sizes and configurations of XL pulleys are readily available, manufacturers often offer customization options to meet unique application needs. Customization can involve specific tooth profiles, special bore sizes, non-standard dimensions, or even the use of different materials to suit specific operating conditions.

When selecting XL pulleys, it is essential to consider the requirements of the application, including the desired motion control parameters, load capacity, and space limitations. Consulting with pulley manufacturers or suppliers can help ensure the selection of the most appropriate size and configuration for the specific application.

China supplier Aluminum Timing Pulley Mxl XL L H Xh Xxh T2.5 T5 T10 At5 At10 S2m S3m S5m S8m Gt2 Gt3 Gt5 3m 5m 8m Tooth Timing Belt Pulley   pulley belt	China supplier Aluminum Timing Pulley Mxl XL L H Xh Xxh T2.5 T5 T10 At5 At10 S2m S3m S5m S8m Gt2 Gt3 Gt5 3m 5m 8m Tooth Timing Belt Pulley   pulley belt
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