Product Description
Black Mc Nylon Wheel Roller
1.Wheel: nylon
2.Rim: nylon
3.Colour: black
4.Diameter: 180-250mm
5.Bearing: 6204ZZ
6.Packing: Paper box,wodden box
COMPANY INFORMATION:
Xihu (West Lake) Dis. Xihu (West Lake) Dis. Plastic Products Co., Ltd. Is a professional large-scale manufacturer of all types of polyurethane wheel, rubber wheel and roller in China. Our main products include PU wheel, rubber wheel, roller, casters and related products. Our company Located HangZhou, we enjoy convenient water, land and air transportation.
Currently, Xihu (West Lake) Dis. Xihu (West Lake) Dis. Plastic Products Co., Ltd is exported to America, France, Australia, Italy and 20 other countries and regions. Our company has always focused on research, development and innovation, In 2006, we attained RoHS and Reach certification.
Our company regards “reasonable prices, efficient production time and good after-sales service” as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.
ADVANTAGE:
1. hight load capacity.
2. any color can be made(white and black).
3. low rolling resistance,elastic abrasion resistant.
4. any quality nylon can be made.
SHIPPING & DELIVERY DATE:
1. 30%T/T deposit and 70% T/T CHINAMFG copy of B/L.
2. 25-30days after received the 30% deposit.
Q:What Is Polyurethane?
A: Polyurethane is a synthetic material that is used in various applications in nearly every field imaginable. It is renowned for its durability and flexibility and can be produced in a number of different forms based on what it will be used for. Everything from airplane CHINAMFG to tires can be made with polyurethane.
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Q: Polyurethane Identification
A: Polyurethane is identified as a polymer, which is basically a string of smaller molecules known as monomers. In this case, it is a string of urethane. An entire polyurethane chain consists of nitrogen, carbon and oxygen atoms double-bonded to a hydroxyl group, which is also known as an alcohol and is a bonded molecule of oxygen and hydrogen. When various other elements are added to this basic chain, the polyurethane changes, sometimes becoming a rubbery solid, liquid or even a foam.
Q: Polyurethane Features
A: Polyurethane can be manufactured synthetically to have a number of different features, depending on the specific molecules that are added to its basic string of urethane molecules. Some of the more sought-after features of polyurethane are its elasticity and durability. This makes it popular for use with tires and other rubber devices that need to be strong and bendable. Polyurethane can also be made into a squishy, foam-like substance or a substance similar to glue, with the same bonding ability.
Q Polyurethane Function
A: Polyurethane is used in so many different fields and in so many different forms that it is 1 of the most used synthetic materials. Look around your house, and you will be able to find many things that are made of polyurethane. Much of the firmer rubber used for various reasons is polyurethane, and because as an adhesive it is water and heat resistant, it’s used in outdoor and exceptionally hot areas. It is also used in walls as extra padding, and in foam form for soundproofing.
Q: Warning
A: For the most part, polyurethane is not a dangerous substance–which is why there is no limit on exposure to it. However, there are times where it can let off harmful chemicals, including carbon monoxide and other hazardous fumes. This is generally when polyurethane is heated to over 200 degrees C. For this reason, handling this polymer at high temperatures should be done with gloves and a personal breathing apparatus.
Q:Polyurethane Benefits
A: One of the major benefits of polyurethane is its resistance to heat and flames. Using the substance means that it will offer protection from this, which makes it particularly beneficial in the home and in making important substances and materials. It is often used as a coat for wood, plastic or other substances because of this protective property.
| Type: | Wheel |
|---|---|
| Wheel Material: | Nylon |
| Brake: | Only Wheel |
| Bearing Type: | Ball Bearing |
| Surface Treatment: | No |
| Brand: | Tongzhou |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
How are sheave pulleys adapted for specialized applications in construction and engineering?
Sheave pulleys are versatile components that can be adapted for specialized applications in construction and engineering. Here is a detailed explanation of how sheave pulleys are adapted for specialized applications:
1. Customized Designs: Sheave pulleys can be custom-designed to meet specific requirements in construction and engineering projects. This includes considerations such as load capacity, environmental conditions, space limitations, and integration with other equipment or systems.
2. Material Selection: Depending on the application, sheave pulleys can be constructed from various materials such as steel, cast iron, aluminum, or specialized alloys. The choice of material depends on factors such as strength, durability, corrosion resistance, and weight restrictions.
3. Special Coatings and Treatments: In certain applications where environmental factors or specific performance requirements are present, sheave pulleys can be coated or treated with specialized materials. This may include corrosion-resistant coatings, high-temperature coatings, or anti-friction treatments to enhance performance and longevity.
4. Size and Configuration: Sheave pulleys can be manufactured in a wide range of sizes and configurations to accommodate different load capacities and operational requirements. This allows for flexibility in adapting sheave pulleys to specific construction and engineering applications.
5. Specialized Attachments: Depending on the application, sheave pulleys can be equipped with specialized attachments or features. For example, in crane and hoist applications, pulleys may have integrated load sensing mechanisms, anti-slip surfaces, or quick-release mechanisms for efficient load handling.
6. Integration with Control Systems: Sheave pulleys can be integrated into complex control systems and automation technologies used in construction and engineering. This allows for precise load control, safety features, and remote monitoring capabilities.
7. Specialized Bearing Systems: In demanding applications, sheave pulleys may incorporate specialized bearing systems to ensure smooth rotation, reduce friction, and handle heavy loads. This can include sealed or lubricated bearings, precision bearings, or self-aligning bearings.
8. Advanced Safety Features: Specialized sheave pulleys may include additional safety features such as overload protection, emergency stop mechanisms, or fail-safe systems. These features enhance the safety of construction and engineering operations, particularly in critical or high-risk environments.
9. Compliance with Standards: Sheave pulleys adapted for specialized applications in construction and engineering often comply with industry standards and regulations. This ensures that they meet the necessary safety and performance requirements for their intended use.
By adapting sheave pulleys for specialized applications, construction and engineering projects can benefit from enhanced efficiency, improved safety, and optimized performance. It is important to consult with experts and manufacturers experienced in specialized applications to ensure the proper selection and adaptation of sheave pulleys for specific project requirements.
Can sheave pulleys withstand harsh environmental conditions?
Yes, sheave pulleys can be designed and manufactured to withstand a variety of harsh environmental conditions. Here is a detailed explanation of their ability to withstand such conditions:
1. Corrosion Resistance: Sheave pulleys can be made from materials that offer excellent corrosion resistance, such as stainless steel or corrosion-resistant coatings. These materials are specifically chosen to withstand exposure to moisture, humidity, or corrosive substances, making them suitable for harsh environments such as marine or industrial settings where corrosion is a concern.
2. Temperature Extremes: Sheave pulleys can be designed to withstand a wide range of temperature extremes. Specialized materials, coatings, or heat-resistant treatments can be utilized to ensure the pulleys maintain their structural integrity and functionality in high-temperature environments, such as foundries or industrial ovens. Similarly, pulleys can be designed to withstand extremely low temperatures encountered in cold storage facilities or outdoor applications.
3. Chemical Resistance: In environments where exposure to chemicals or abrasive substances is common, sheave pulleys can be customized with materials or coatings that offer high chemical resistance. This ensures that the pulleys can withstand contact with chemicals, solvents, oils, or abrasive particles without deteriorating or suffering from chemical reactions that could compromise their performance.
4. Mechanical Durability: Sheave pulleys can be engineered to withstand heavy loads, shocks, or vibrations that may be present in harsh environments. By using robust materials, precision engineering, and appropriate manufacturing techniques, the pulleys can maintain their structural integrity and resist mechanical stresses, ensuring reliable performance and longevity in demanding conditions.
5. Sealing and Protection: To enhance their ability to withstand harsh environments, sheave pulleys can be equipped with sealing mechanisms and protective features. These may include sealed bearings or bearing enclosures to prevent contamination from dust, dirt, or water ingress. Additionally, pulleys can be designed with protective covers or shields to safeguard the internal components from external elements, increasing their durability and resistance to harsh conditions.
6. UV Resistance: In outdoor applications where exposure to sunlight and ultraviolet (UV) radiation is prevalent, sheave pulleys can be manufactured with UV-resistant materials or coatings. UV resistance prevents degradation, discoloration, or loss of mechanical properties due to prolonged sun exposure, ensuring the pulleys remain functional and reliable over an extended period.
7. IP Ratings: Sheave pulleys can be designed to meet specific Ingress Protection (IP) ratings. IP ratings indicate the level of protection provided against the intrusion of solid particles (dust) and liquids (water or other liquids). By choosing pulleys with suitable IP ratings, they can be effectively protected against harsh environmental conditions, ensuring their performance and longevity.
It is important to note that the ability of sheave pulleys to withstand harsh environmental conditions may vary depending on the specific design, materials used, and the severity of the conditions. Manufacturers can provide guidance on the suitable customization options and specifications required to ensure optimal performance and longevity in specific harsh environments.
What are the primary components and design features of a sheave pulley?
A sheave pulley consists of several primary components and design features that are essential to its functionality. Here is a detailed explanation of the primary components and design features of a sheave pulley:
1. Wheel or Disk: The main body of a sheave pulley is typically a wheel or disk-shaped component. It is usually circular in shape, with a central axle or hub. The wheel or disk provides the structural support and rotational motion required for the pulley to function.
2. Grooves: Sheave pulleys feature one or more grooves on their outer circumference. The grooves are specifically designed to accommodate belts, ropes, or cables. The number and configuration of the grooves depend on the intended application and the type of belt or rope that will be used with the pulley. The grooves ensure proper alignment and grip, preventing slippage and enabling efficient power transmission or lifting operations.
3. Axle or Hub: The axle or hub is the central component of the sheave pulley. It provides the rotational axis around which the wheel or disk rotates. The axle or hub is typically mounted on a shaft or bearing, allowing the pulley to rotate freely.
4. Bearings: In some sheave pulleys, bearings are incorporated into the design to reduce friction and enable smooth rotation. The bearings are usually located within the axle or hub, allowing the pulley to rotate with minimal resistance. The use of bearings enhances the efficiency and durability of the sheave pulley.
5. Material: Sheave pulleys are commonly made from various materials, depending on the specific application and operating conditions. Common materials used for sheave pulleys include metals such as steel or cast iron, as well as synthetic materials like nylon or high-density polyethylene (HDPE). The choice of material depends on factors such as load capacity, environmental conditions, and desired durability.
6. Size and Configuration: Sheave pulleys come in various sizes and configurations to accommodate different system requirements. The size of the pulley is determined by factors such as the load capacity, belt or rope thickness, and the desired speed of rotation. Additionally, the configuration of the pulley, including the number and arrangement of grooves, can vary depending on the specific application and the type of belt or rope used.
7. Mounting: Sheave pulleys are typically mounted on a shaft or bearing housing to ensure proper alignment and stability. The mounting mechanism may involve set screws, keyways, or other fastening methods to secure the pulley in place. Proper mounting is crucial to ensure smooth rotation and prevent any misalignment or wobbling that could affect the performance of the pulley.
In summary, the primary components and design features of a sheave pulley include the wheel or disk, grooves for accommodating belts, ropes, or cables, the axle or hub for rotational motion, bearings for reducing friction, the choice of material for durability, size and configuration variations, and the mounting mechanism for proper alignment. These components and design features work together to enable efficient power transmission and lifting operations in various mechanical systems.
editor by CX
2023-10-02