Product Description
white plastic PE hdpe1000 pulley wheels
UHMW-PE(Ultra high Molecular Weight Polyethylene )is a thermoplastic engineering plastic with the average molecular weight more than 9.0 million. (PE only has the molecular weight between 20 to 2 hundred thousand. ) This kind of material with 5 top performance of high-wear-resistance, good-chemical resistance, low-temperature resistance, self-lubrication and high-impact resistance, which is regarded as a “surprised” engineering plastic of excellent comprehensive capacity and competitive price.
Main characteristics:
1. Very high-wear resistance, 7 times wear resistance than steel, 4 times than PTFE
2. Very high anti-impact resistance, 2 times impact resistance than PC, 5 times than ABS.
3. Good self-lubrication, the same as PTFE, better than steel and brass appended lubricating oil.
4. Good anti-corrosion resistance, it has very stable chemicals property and can endure the corrosion of all kinds of corrosive medium and organic solvent in certain rang of temperature and humidity.
5. Very high-inadhesion resistance, the surface of product hardly affixes other material.
6. Very high-impact resistance, 10 times impact resistance than PA66, 8 times than PTFE.
7. Good low temperature resistance, in liquefied nitrogen (- 196º C), it still has the prolongation.
Few other materials can reach to this performance.
8. Non-toxic and clean property, UHMW-PE, which is the material that Food and Drug Administration (FDA) and United States Department of Agriculture (ASDA) permit to apply in food and medicine fields.
| Property | Item No. | Unit | Value | |
| Mechanical Properties | 1 | Density | g/cm3 | 0.94-0.96 |
| 2 | average molecular weight | g/mol | More than 9.0 million | |
| 3 | Tensile strength (23ºCin air) | MPa | 22 | |
| 4 | Breaking strength | MPa | 42 | |
| 5 | Tensile strain at break | % | 600 | |
| 6 | Charpy impact strength (notched) | mJ/mm 2 | No break | |
| 7 | Ball indentation hardness | N/mm 2 | 42 | |
| 8 | Shore D hardness | — | D65 | |
| 9 | Abrading(sand slurry experiment) | — | 100 | |
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| Material: | PE |
|---|---|
| Size: | According to Drawing or Sample |
| Color: | White, Black, Green, Yellow, Blue, Red |
| Tooling: | CNC Lathe |
| Dentity: | 0.98 |
| Shape: | Tube, Sheet, Rod, Gear, Pulley etc. |
| Customization: |
Available
| Customized Request |
|---|
Can plastic pulleys withstand exposure to environmental conditions?
Plastic pulleys are designed to withstand exposure to various environmental conditions. Here’s a detailed explanation:
1. Moisture and Humidity:
Plastic pulleys are typically made from materials that are resistant to moisture and humidity. They have inherent properties that prevent water absorption, reducing the risk of swelling, warping, or degradation. This makes plastic pulleys suitable for use in environments with high humidity or where occasional exposure to moisture is expected, such as garages or outdoor applications.
2. Temperature Extremes:
Plastic pulleys exhibit different levels of temperature resistance depending on the specific material used. Many plastic pulleys are designed to withstand a wide range of temperatures, including both high and low extremes. For example, some pulleys made from engineering-grade plastics can operate reliably in temperatures ranging from -40°C to 100°C (-40°F to 212°F). However, it’s important to check the manufacturer’s specifications for temperature limits and choose pulleys that are suitable for the specific environment in which they will be used.
3. UV Exposure:
Extended exposure to ultraviolet (UV) radiation from the sun can potentially degrade certain types of plastics. However, many plastic pulleys are manufactured with UV stabilizers or additives that provide resistance to UV radiation. These additives help protect the plastic material from UV-induced degradation, such as discoloration, brittleness, or loss of mechanical properties. Plastic pulleys with UV resistance are commonly used in outdoor applications where they are exposed to direct sunlight.
4. Chemical Resistance:
The chemical resistance of plastic pulleys varies depending on the specific material used. Some plastics, such as polypropylene (PP) or polyethylene (PE), have excellent chemical resistance and can withstand exposure to a wide range of chemicals, including solvents, acids, and alkalis. However, other plastics may be more susceptible to chemical attack. It’s important to consider the specific chemicals present in the environment and select plastic pulleys that are compatible and resistant to those substances.
5. Dust and Dirt:
Plastic pulleys are generally resistant to dust and dirt accumulation. Their smooth surfaces and low-friction properties make it difficult for particles to adhere to the pulley’s surface. This reduces the risk of debris interfering with the pulley’s movement or causing excessive wear. However, periodic cleaning may still be necessary to ensure optimal performance and prevent any buildup of contaminants that could affect the pulley’s operation.
6. Impact and Vibration:
Plastic pulleys are designed to withstand the impact and vibration commonly encountered in various applications. The plastic materials used in their construction offer good impact resistance, absorbing and dispersing energy to prevent damage or failure. Additionally, plastic pulleys can dampen vibrations, reducing the strain on the pulley and other components of the system. However, it’s important to choose pulleys with the appropriate material properties and consider the specific impact and vibration levels of the application.
7. Saltwater and Corrosive Environments:
In environments where saltwater or corrosive substances are present, it’s crucial to select plastic pulleys that are specifically designed for such conditions. Certain plastics, such as acetal (POM) or polyvinyl chloride (PVC), offer good resistance to saltwater and corrosion. These materials are commonly used in marine or coastal applications where the pulleys may be exposed to saltwater spray or corrosive atmospheres.
While plastic pulleys are generally designed to withstand exposure to environmental conditions, it’s important to consider the specific requirements of the application and choose pulleys that are suitable for the intended environment. Manufacturers often provide guidance on the recommended materials and specifications for plastic pulleys based on their environmental resistance properties.
How are plastic pulleys utilized in industrial machinery and conveyor systems?
Plastic pulleys play a crucial role in industrial machinery and conveyor systems. Here’s a detailed explanation of how plastic pulleys are utilized in these applications:
1. Belt and Chain Drives:
In industrial machinery and conveyor systems, plastic pulleys are extensively used in belt and chain drives. These pulleys serve as the guiding and tensioning components for belts and chains, facilitating the transfer of power and motion between different parts of the machinery or conveyor system. Plastic pulleys ensure proper alignment, tension, and engagement of the belts or chains, enabling smooth and efficient operation.
2. Material Selection:
Plastic pulleys are chosen for their specific material properties that make them suitable for industrial applications. Different types of plastics, such as nylon, polyethylene, or acetal (POM), are selected based on factors like strength, wear resistance, chemical resistance, and temperature tolerance. The material selection ensures that plastic pulleys can withstand the demanding operating conditions, loads, and forces encountered in industrial machinery and conveyor systems.
3. Wear and Friction Reduction:
Plastic pulleys are designed to minimize wear and friction in industrial machinery and conveyor systems. They often incorporate additives or fillers, such as reinforcing fibers or lubricants, to enhance their wear resistance and reduce friction. These features help prolong the lifespan of the pulleys and the belts or chains, improving the overall reliability and efficiency of the system. Plastic pulleys with low friction properties also contribute to energy savings and smoother operation.
4. Noise and Vibration Damping:
Plastic pulleys offer inherent noise and vibration damping properties, making them an ideal choice for industrial machinery and conveyor systems. The damping effect of plastic materials helps absorb vibrations generated during operation, reducing noise levels and minimizing the transmission of vibrations to other parts of the system. This results in quieter operation and improved working conditions for operators. Plastic pulleys contribute to overall system performance and enhance the user experience in industrial settings.
5. Corrosion Resistance:
Industrial machinery and conveyor systems may be exposed to harsh environments that involve moisture, chemicals, or corrosive substances. Plastic pulleys are resistant to corrosion, making them well-suited for such conditions. Unlike metal pulleys that can rust or corrode, plastic pulleys remain unaffected, ensuring reliable performance and reducing the need for frequent maintenance or replacements. The corrosion resistance of plastic pulleys contributes to the longevity and durability of industrial machinery and conveyor systems.
6. Design Flexibility:
Plastic pulleys offer design flexibility, allowing for customization and optimization in industrial machinery and conveyor systems. They can be molded into various shapes, sizes, and configurations to meet specific application requirements. Plastic pulleys can incorporate features such as flanges, grooves, or mounting options directly into the design, ensuring proper belt or chain engagement, alignment, and tension. This design flexibility allows for efficient integration and enhances the performance and reliability of industrial machinery and conveyor systems.
7. Cost-Effectiveness:
Plastic pulleys offer cost-effectiveness in industrial machinery and conveyor systems. They are generally more affordable compared to metal pulleys, resulting in lower production costs. Additionally, the lightweight nature of plastic pulleys contributes to reduced energy consumption and lower shipping costs. Plastic pulleys provide a balance between performance, durability, and affordability, making them a cost-effective choice for industrial applications that require multiple pulleys in machinery or conveyor systems.
In summary, plastic pulleys are extensively utilized in industrial machinery and conveyor systems for belt and chain drives. They are chosen for their specific material properties, including wear resistance, low friction, corrosion resistance, and design flexibility. Plastic pulleys contribute to smooth operation, reduced wear and friction, noise and vibration damping, corrosion resistance, design optimization, and cost-effectiveness in industrial applications.
Can you explain the key features and advantages of plastic pulleys?
Plastic pulleys offer several key features and advantages that make them suitable for various applications. Here’s a detailed explanation of the key features and advantages of plastic pulleys:
1. Lightweight:
One of the significant features of plastic pulleys is their lightweight construction. Compared to metal pulleys, plastic pulleys are considerably lighter, which can be advantageous in applications where weight reduction is desired. The lightweight nature of plastic pulleys makes them suitable for applications where minimizing overall system weight is important, such as in portable devices or equipment.
2. Corrosion Resistance:
Plastic pulleys are inherently resistant to corrosion. Unlike metal pulleys that may rust or corrode when exposed to moisture or certain chemicals, plastic pulleys maintain their integrity and functionality even in corrosive environments. This corrosion resistance makes plastic pulleys suitable for applications where exposure to moisture or chemicals is likely, such as in marine equipment or outdoor machinery.
3. Low Friction:
Plastic pulleys generally have low friction coefficients. This means that the contact between the pulley and the associated components, such as belts or ropes, is smoother, resulting in reduced frictional losses. The low friction properties of plastic pulleys contribute to improved efficiency and energy savings in various systems, such as conveyor belts, where reducing power consumption is desirable.
4. Noise Reduction:
Plastic pulleys offer inherent damping properties, which help reduce noise and vibration during operation. The damping effect of plastic materials absorbs vibrations and minimizes noise generation, resulting in quieter operation compared to metal pulleys. This makes plastic pulleys suitable for applications where noise reduction is important, such as in household appliances or office equipment.
5. Design Flexibility:
Plastic pulleys offer a high degree of design flexibility. They can be molded into various shapes, sizes, and configurations, allowing for precise customization. This flexibility in design enables specific features, such as flanges, grooves, or mounting options, to be incorporated directly into the pulley. Plastic pulleys can be tailored to meet the unique requirements of different applications, making them highly versatile in terms of design possibilities.
6. Cost-Effective:
Plastic pulleys are generally more cost-effective compared to pulleys made from other materials, such as metal, ceramic, or glass. The manufacturing process for plastic pulleys is typically less complex and less expensive, resulting in lower production costs. This cost advantage makes plastic pulleys a cost-effective choice for a wide range of applications, especially in situations where budget constraints are a consideration.
7. Electrical Insulation:
Plastic pulleys offer electrical insulation properties. Unlike metal pulleys that conduct electricity, plastic pulleys act as insulators, preventing the flow of electrical current. This electrical insulation characteristic is advantageous in applications where electrical conductivity needs to be avoided or isolated, such as in electronic devices or systems with sensitive electrical components.
8. Chemical Resistance:
Plastic pulleys exhibit resistance to various chemicals, depending on the specific plastic material used. They can withstand exposure to substances such as oils, fuels, solvents, and acids without degradation. This chemical resistance makes plastic pulleys suitable for applications where contact with chemicals or aggressive substances is expected, such as in industrial machinery or chemical processing equipment.
In summary, plastic pulleys offer key features and advantages including lightweight construction, corrosion resistance, low friction, noise reduction, design flexibility, cost-effectiveness, electrical insulation, and chemical resistance. These attributes make plastic pulleys suitable for a wide range of applications across industries such as automotive, consumer electronics, manufacturing, and more.
editor by CX
2024-04-13