China supplier High Precision and High Sealing Performance Compressor Plastic Pulley with Bearing with Great quality

Product Description

V-grooved Taper Bushed Pulley
Type: SPB
Size: 80 ~ 1250
Materials: HT250( C45 steel optional)

Groove
Profile
WP b t e f PD Angle
g
SPZ 8.5 2.0 +0.6
11.0 0
12±0.3 8.0±0.6 ≤80 34±1 9.72
>80 38±1 9.88
SPA 11.0 2.8 +0.6
13.8 0
15±0.3 10.0±0.6 <118 34±1 12.68
>118 38±1 12.89
SPB 14.0 3.5 +0.6
17.5 0
19±0.4 12.5±0.8 ≤190 34±1 16.14
>190 38±1 16.41
SPC 19.0 4.8 +0.6
23.8 0
25.5±05 17.0±l ≤315 34±0.5 21.94
>315 38±0.5 22.31

Our Mission

Our mission is to build solid, reliable products, provide exceptional service, re-invest in technology and make a dedicated effort to understand the needs of our customers while providing a positive workplace for our employees.

Our philosophy is to design, manufacture and sell our products with all markets in mind. You will never be limited to 1 application with our products.

Who We Are

For more than 15+ years, CHINAMFG has grown into a manufacturing and sales company of standard and custom bearings, automotive bearings, spraying equipment, with focus on research and development of the best products for specific applications. We enjoy working closely with designers and engineers to figure out how to address out a complex manufacturing issue. Furthermore, we’re value-driven and easy to work with. We’re always in mind that our solutions must satisfy our customers even may save their money by reducing manufacturing costs.

How We Can Serve You

We has implemented a total quality control system at our facilities, and manufactures in high volume to a just-in-time program.

To serve the ongoing needs of customers, we built high-efficient sales team to communicate with our customers so that our customers will get full information about our products within 24 hours.

We’re proud of our long-term relationships with our customers.

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Certification: ISO
Pulley Sizes: Spb
Manufacturing Process: Casting
Material: Ht250, or C45
Surface Treatment: Phosphating Treatment
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, Oil Insutry
Samples:
US$ 0/Set
1 Set(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic pulley

Are there any limitations or temperature constraints with plastic pulleys?

Yes, there are certain limitations and temperature constraints associated with plastic pulleys. Here’s a detailed explanation:

1. Load Capacity:

Plastic pulleys have a limited load capacity compared to their metal counterparts. While they are suitable for many light to moderate load applications, they may not be suitable for heavy-duty or high-load scenarios. Exceeding the recommended load capacity of plastic pulleys can lead to deformation, premature wear, or failure of the pulley, compromising the overall performance and reliability of the system.

2. Temperature Sensitivity:

Plastic pulleys can be sensitive to temperature variations. Extreme heat or cold can affect the mechanical properties of the plastic material, leading to dimensional changes, reduced strength, or increased brittleness. High temperatures can cause the pulleys to deform or soften, while low temperatures can make them more prone to cracking or breakage. Therefore, it is important to consider the temperature range in which plastic pulleys will be operating and choose materials that can withstand the specific environmental conditions.

3. Thermal Expansion:

Plastic pulleys can exhibit thermal expansion, meaning they may expand or contract with changes in temperature. This can affect the precision and alignment of the pulley system. In applications where precise positioning or tight tolerances are required, thermal expansion of the plastic pulleys should be taken into account to ensure proper functioning of the system. Compensation techniques, such as using adjustable mounting brackets or incorporating thermal expansion calculations, may be necessary to maintain alignment under varying temperature conditions.

4. Chemical Compatibility:

Some plastic materials used in pulleys may not be compatible with certain chemicals or solvents. Exposure to chemicals that are incompatible with the plastic material can lead to degradation, discoloration, or weakening of the pulleys. It is important to consider the chemical environment in which the plastic pulleys will be used and select materials that are resistant to the specific chemicals present in that environment.

5. UV and Weather Resistance:

Not all plastic materials used in pulleys have excellent resistance to ultraviolet (UV) radiation or outdoor weather conditions. Prolonged exposure to sunlight or harsh weather elements can cause degradation, discoloration, or loss of mechanical properties in certain plastics. If plastic pulleys are intended for outdoor or UV-exposed applications, it is crucial to choose materials that are UV-resistant and weather-resistant to ensure long-term durability and performance.

6. Static Electricity:

Some plastic pulleys can generate static electricity during operation. This can be a concern in certain applications where static discharge can interfere with sensitive electronic components or create safety hazards in potentially explosive environments. In such cases, anti-static or conductive plastic materials may need to be used to mitigate the risks associated with static electricity generation.

In summary, plastic pulleys have limitations and temperature constraints that should be considered during their selection and application. These limitations include load capacity, temperature sensitivity, thermal expansion, chemical compatibility, UV and weather resistance, and static electricity generation. By understanding and addressing these constraints, it is possible to use plastic pulleys effectively and ensure their optimal performance and longevity in various mechanical systems.

plastic pulley

What maintenance procedures are necessary to ensure the reliability of plastic pulleys?

To ensure the reliability of plastic pulleys, several maintenance procedures should be followed. Here’s a detailed explanation:

1. Regular Inspection:

Regular inspection is crucial for identifying any signs of wear, damage, or degradation in plastic pulleys. Inspect the pulleys periodically to check for cracks, excessive wear, or any other visible issues. Pay attention to the pulley’s grooves, edges, and mounting points. If any damage is detected, the pulley should be replaced promptly to prevent unexpected failures or accidents.

2. Lubrication:

Appropriate lubrication is important to ensure the smooth operation and longevity of plastic pulleys. Follow the manufacturer’s recommendations for lubrication intervals and the type of lubricant to be used. Apply lubricant to the pulley’s bearings or bushings as specified. Proper lubrication reduces friction, minimizes wear, and helps maintain the pulleys’ performance and reliability.

3. Cleaning:

Clean plastic pulleys regularly to remove dirt, dust, or debris that may accumulate on the surface. Use a soft brush or cloth to gently clean the pulleys, ensuring that no abrasive materials or harsh chemicals are used that could damage the plastic material. Clean pulleys help prevent contaminants from entering the system and interfering with the pulley’s movement or the overall performance of the equipment.

4. Belt or Chain Tension:

Check and adjust the tension of belts or chains connected to plastic pulleys. Proper tension is crucial for efficient power transmission and to prevent slippage. Follow the manufacturer’s guidelines to determine the correct tension for the specific application. Ensure that the belts or chains are not too loose or too tight, as both conditions can lead to premature wear or failure of the pulleys.

5. Alignment:

Proper alignment of plastic pulleys is essential for their reliable operation. Misalignment can cause excessive vibrations, premature wear, and increased stress on the pulleys and associated components. Regularly check the alignment of the pulleys and make any necessary adjustments. Follow the manufacturer’s recommendations for alignment procedures to ensure optimal performance and longevity of the pulleys.

6. Environmental Considerations:

Consider the environmental conditions in which the plastic pulleys are operating. Extreme temperatures, exposure to chemicals, or other harsh conditions can impact the pulley’s reliability and lifespan. If the environment poses specific challenges, choose plastic pulleys that are resistant to the prevailing conditions. For example, select pulleys made from materials with high-temperature resistance or chemical resistance, as required.

7. Manufacturer’s Guidelines:

Always refer to the manufacturer’s guidelines and recommendations for maintenance procedures specific to the plastic pulleys being used. Manufacturers often provide detailed instructions on inspection, lubrication, cleaning, and other maintenance tasks. Adhering to these guidelines ensures that the maintenance procedures are carried out correctly and in accordance with the manufacturer’s specifications, maximizing the reliability and lifespan of the plastic pulleys.

By following these maintenance procedures, operators can ensure the reliability and longevity of plastic pulleys. Regular inspection, proper lubrication, cleaning, belt or chain tensioning, alignment, considering environmental factors, and adhering to manufacturer’s guidelines are all vital in maintaining the optimal performance of plastic pulleys in various industrial applications.

plastic pulley

In which industries and applications are plastic pulleys commonly used?

Plastic pulleys find widespread use in various industries and applications due to their unique characteristics and advantages. Here’s a detailed explanation of the industries and applications where plastic pulleys are commonly used:

1. Automotive Industry:

Plastic pulleys are extensively used in the automotive industry. They can be found in engine systems, timing belt systems, accessory drives, power steering systems, and HVAC (Heating, Ventilation, and Air Conditioning) systems. Plastic pulleys offer lightweight solutions, noise reduction, and resistance to corrosion and chemicals, making them suitable for automotive applications.

2. Consumer Electronics:

Plastic pulleys play a crucial role in various consumer electronic devices. They are used in printers, scanners, photocopiers, DVD players, and other office equipment. Plastic pulleys provide noise reduction, low friction, and design flexibility, which are desirable features in consumer electronics where quiet operation and precise movement are important.

3. Medical Equipment:

Plastic pulleys are commonly employed in medical equipment and devices. They are used in diagnostic instruments, laboratory equipment, surgical tools, and patient handling systems. Plastic pulleys offer lightweight construction, corrosion resistance, and design flexibility, making them suitable for medical applications where cleanliness, precision, and ease of use are critical.

4. Packaging and Material Handling:

Plastic pulleys find extensive use in packaging and material handling applications. They are utilized in conveyor systems, sorting machines, printing and labeling equipment, and packaging machinery. Plastic pulleys provide low friction, noise reduction, and resistance to corrosion and wear, making them well-suited for efficient and reliable material handling and packaging processes.

5. Recreational Equipment:

Plastic pulleys are commonly found in recreational equipment and devices. They are used in fitness machines, bicycles, kayaks, sailboats, and other sports and leisure equipment. Plastic pulleys offer lightweight construction, low friction, and resistance to corrosion, making them suitable for recreational applications where performance, durability, and ease of use are important.

6. HVAC Systems:

Plastic pulleys are utilized in heating, ventilation, and air conditioning (HVAC) systems. They are used in fan assemblies, blower motors, and air handling units. Plastic pulleys provide noise reduction, low friction, and resistance to corrosion and moisture, making them suitable for HVAC applications where quiet operation, energy efficiency, and durability are desired.

7. Industrial Machinery:

Plastic pulleys are commonly employed in various industrial machinery and equipment. They are used in conveyors, packaging machines, textile machinery, printing presses, and automation systems. Plastic pulleys offer low friction, design flexibility, and resistance to corrosion and chemicals, making them suitable for industrial applications where reliable operation, efficiency, and durability are essential.

8. Agricultural Equipment:

Plastic pulleys find applications in agricultural machinery and equipment. They are used in crop harvesting machines, irrigation systems, grain handling equipment, and livestock feeding systems. Plastic pulleys offer lightweight construction, low friction, and resistance to corrosion and chemicals, making them suitable for agricultural applications where efficiency, reliability, and resistance to harsh environments are required.

In summary, plastic pulleys are commonly used in industries and applications such as automotive, consumer electronics, medical equipment, packaging and material handling, recreational equipment, HVAC systems, industrial machinery, and agricultural equipment. Their unique features and advantages make them versatile components in various sectors, providing lightweight, corrosion-resistant, low-friction, and noise-reducing solutions.

China supplier High Precision and High Sealing Performance Compressor Plastic Pulley with Bearing   with Great quality China supplier High Precision and High Sealing Performance Compressor Plastic Pulley with Bearing   with Great quality
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