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Product Description

Specification:

Product name UPVC Aluminum Alloy Screen Flyscreen Sliding Window Roller Nylon Single Roller PA Plastic Door and Window Pulley for Africa Hardware Factory Direct Price
Housing material plastic
Wheel material nylon(plastic, POM optional)
Wheel color blue, or customized
Features low noise, easy installation, sliding smoothly, long life, standard, customized, etc.
Application aluminum sliding window, screen window, flyscreen window, sliding door, etc.

 

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Company Profile:

FAQ:
Q: Are you the manufacturer?
A: Yes, we are a professional manufacturer focused on door and window roller pulleys for over 15 years.

Q: Do you offer free samples?
A: Yes, we are very glad to offer free samples for you to check the quality.

Q: Can we make our own color box?
A: Yes, if the order quantity reaches 1000 sets, we can make a customized color box for you.

Q: Can we print our logo on the products?
A: Yes, we can print your logo on the products according to your design.

Q: How does your factory do regarding quality control?
A: 80% of the staff has 10 years experience, a mature skilled technical team, and a complete quality management system to ensure high quality.

Q: What is the after-sale service for the sliding rollers?
A: We have online technical support. If it is a quality problem, we will replace the broken ones with new ones.

Q: How long is the production time?
A: For samples in stock, shipped in 2 days. if not in stock, the lead time is in 7 days. For mass production, the lead time is around 15 days after receiving the deposit payment.

Q: How about the shipment?
A: For small orders, we can ship them by DHL, FedEx, UPS, TNT, etc. For mass production orders, we can ship them by sea or by air.
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After-sales Service: Online Support, Spare Parts
Warranty: 2 Year
Certification: TUV, CE, ISO
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

aluminum pulley

How does the corrosion resistance of aluminum affect its use in pulleys?

The corrosion resistance of aluminum plays a significant role in determining its suitability and durability for use in pulleys. Aluminum exhibits inherent corrosion resistance due to its ability to form a protective oxide layer on its surface. This oxide layer acts as a barrier, preventing further corrosion and protecting the underlying metal. Here is a detailed explanation of how the corrosion resistance of aluminum affects its use in pulleys:

  • Extended Lifespan: The corrosion resistance of aluminum ensures the extended lifespan of pulleys. In various applications, pulleys may be exposed to harsh environments, including high humidity, moisture, chemicals, and corrosive substances. The ability of aluminum to resist corrosion enables pulleys to withstand these challenging conditions without deteriorating or degrading. This results in a longer lifespan for the pulleys, reducing the need for frequent replacements and maintenance.
  • Reliable Performance: Pulleys made from corrosion-resistant aluminum maintain their structural integrity and functional performance over time. The protective oxide layer on the aluminum surface acts as a barrier against corrosion, preventing the formation of rust or other corrosive byproducts. This ensures that the pulleys continue to operate smoothly, with minimal friction and wear, enabling reliable and consistent performance in various applications.
  • Cost Savings: The corrosion resistance of aluminum pulleys contributes to cost savings in the long run. By using corrosion-resistant materials, the need for protective coatings or surface treatments to mitigate corrosion is reduced or eliminated. This reduces the associated costs of applying and maintaining such coatings. Additionally, the extended lifespan and reliable performance of corrosion-resistant aluminum pulleys result in reduced downtime, lower maintenance expenses, and increased overall efficiency, leading to cost savings for the users.
  • Compatibility with Different Environments: Aluminum’s corrosion resistance allows pulleys to be used in a wide range of environments. Whether in outdoor applications exposed to weather elements or indoor settings with humidity or chemical exposure, aluminum pulleys can withstand these conditions without significant corrosion damage. This versatility makes aluminum pulleys suitable for various industries and applications, including fitness equipment, industrial machinery, conveyor systems, and marine equipment.
  • Lower Maintenance Requirements: The corrosion resistance of aluminum pulleys reduces the maintenance requirements associated with their use. Aluminum’s natural resistance to corrosion minimizes the need for frequent inspections, cleaning, and maintenance to prevent or address corrosion-related issues. This saves time, effort, and resources in the upkeep of pulleys, allowing for more efficient and hassle-free operation of the equipment or systems in which they are used.

In conclusion, the corrosion resistance of aluminum is a crucial factor that positively impacts its use in pulleys. It ensures an extended lifespan, reliable performance, cost savings, compatibility with different environments, and lower maintenance requirements. The inherent corrosion resistance of aluminum makes it a preferred material for pulleys, offering durability and longevity in various applications.

aluminum pulley

Are there any limitations or temperature constraints with aluminum pulleys?

While aluminum pulleys offer numerous benefits, they do have some limitations and temperature constraints that should be taken into consideration. Here is a detailed explanation of these limitations and temperature constraints:

  • Temperature Limitations: Aluminum pulleys have a relatively low melting point compared to other metals. The melting point of aluminum is around 660 degrees Celsius (1220 degrees Fahrenheit). Therefore, they are not suitable for applications that involve extremely high temperatures, such as in certain industrial or high-temperature manufacturing processes. Exposing aluminum pulleys to temperatures above their melting point can cause deformation, structural failure, or even complete melting of the pulley.
  • Thermal Expansion: Aluminum has a relatively high coefficient of thermal expansion. This means that aluminum pulleys will expand and contract more significantly with temperature changes compared to pulleys made of materials with lower coefficients of expansion. In applications where precise dimensional stability is crucial, such as in high-precision machinery or systems with tight tolerances, thermal expansion of aluminum pulleys should be carefully considered and accounted for in the design and operation.
  • Strength at Elevated Temperatures: The mechanical strength of aluminum decreases as the temperature rises. At elevated temperatures, aluminum pulleys may experience reduced load-bearing capacity and lower resistance to deformation or failure. Therefore, in applications where high mechanical strength is required at elevated temperatures, alternative materials with better high-temperature performance, such as steel or heat-resistant alloys, may be more suitable.
  • Corrosion: While aluminum exhibits good corrosion resistance in many environments, it is not immune to corrosion. Aluminum pulleys can be susceptible to corrosion in certain conditions, particularly in the presence of saltwater, acidic or alkaline solutions, and harsh chemicals. Corrosion can weaken the pulley and compromise its performance. Proper protective measures, such as coatings or anodizing, can be applied to mitigate the risk of corrosion and enhance the pulley’s durability.
  • Compatibility: Aluminum pulleys may not be compatible with certain belts or materials in specific applications. Some belts or materials may cause excessive wear, friction, or slippage when in contact with aluminum surfaces. It is important to consider the compatibility between the aluminum pulleys and the mating components to ensure optimal performance and avoid premature wear or failure.

While aluminum pulleys offer many advantages, it is essential to consider their limitations and temperature constraints. These include temperature limitations, thermal expansion, reduced strength at elevated temperatures, susceptibility to corrosion, and compatibility issues with certain belts or materials. By understanding these limitations, appropriate design considerations and material choices can be made to ensure the effective and reliable use of aluminum pulleys in specific applications.

aluminum pulley

How is aluminum used in the construction of pulleys?

In the construction of pulleys, aluminum is utilized in various ways to take advantage of its unique properties. Aluminum is a lightweight and versatile material that offers several benefits when used in pulley construction. Here is a detailed explanation of how aluminum is used in the construction of pulleys:

  • Pulley Body: The main body or frame of the pulley can be constructed entirely from aluminum. Aluminum provides a lightweight yet strong structure that can effectively support the load and handle the forces involved in pulley operations. The aluminum pulley body is typically precision-machined or cast to achieve the desired shape, dimensions, and grooves for the cable or rope.
  • Grooves and Sheaves: Aluminum is well-suited for forming grooves or sheaves in pulleys. These grooves provide a channel for the cable or rope to sit in, ensuring proper alignment and preventing slippage. Aluminum sheaves can be machined or cast with precision to create smooth and precise grooves that optimize the performance of the pulley. The lightweight nature of aluminum sheaves also reduces the rotational inertia, allowing for more efficient operation.
  • Bearings and Bushings: Aluminum is often used for the housing or components of bearings and bushings within the pulley assembly. These bearings and bushings provide smooth rotation and reduce friction between the pulley body and the axle or shaft. The aluminum housing offers durability, corrosion resistance, and compatibility with lubricants, ensuring reliable and low-friction operation of the pulley.
  • Fasteners and Hardware: Aluminum fasteners, such as screws or bolts, can be used to secure various components of the pulley assembly. Aluminum hardware provides lightweight and corrosion-resistant connections, ensuring the integrity of the pulley structure. The use of aluminum fasteners also helps to prevent galvanic corrosion when combined with other aluminum components.
  • Surface Treatments: Aluminum pulleys may undergo surface treatments to enhance their performance and durability. For example, anodizing is a common surface treatment for aluminum pulleys. It involves creating a protective oxide layer on the surface of the aluminum by electrochemical means. Anodization improves the corrosion resistance, hardness, and wear resistance of the pulley, extending its lifespan and maintaining its appearance.
  • Integration and Assembly: Aluminum pulleys can be seamlessly integrated with other components or systems in construction and machinery. Aluminum’s compatibility with different materials, such as steel, allows for easy assembly and integration into larger systems. The lightweight nature of aluminum pulleys simplifies installation and reduces the overall weight of the system, contributing to energy efficiency and ease of handling.

In summary, aluminum is used in the construction of pulleys for various purposes, including the main body or frame, grooves and sheaves, bearings and bushings, fasteners and hardware, surface treatments, and integration with other components. By leveraging the lightweight and versatile properties of aluminum, pulleys can be designed to be durable, corrosion-resistant, and efficient in their operation.

China Hot selling UPVC Aluminum Alloy Screen Flyscreen Sliding Window Roller Nylon Single Roller PA Plastic Door and Window Pulley for Africa Hardware Factory Direct Price   with high quality China Hot selling UPVC Aluminum Alloy Screen Flyscreen Sliding Window Roller Nylon Single Roller PA Plastic Door and Window Pulley for Africa Hardware Factory Direct Price   with high quality
editor by CX

2024-04-22