Product Description
Engineering plastic Peek pulley made by CNC milling
PEEK is a kind of heat-resistant, high performance thermoplastic special engineering plastics. It has good mechanical properties and chemical resistance, abrasion resistance, and hydrolysis resistance properties etc.; It has a light proportion and self-lubricating properties. Due to very good processing properties, it can be filled with carbon fiber and MOS2 etc. To improve lubrication performance and mechanical strength further.
PEEK engineering plastics have a broad application space related to aviation, machinery, electronics, chemical industry, automobiles, and other high-tech industry, mechanical parts and accessory can be manufactured in stringent requirements, such as gears, bearings, piston rings, supporting ring, sealing ring (letter), valves, and other wear circle.
The outstanding performance of PEEK material mainly shows in the following aspects:
1. Heat-resistance
PEEK has a higher glass transition temperature and melting point (334º C). It is 1 of the reasons that it can be a reliable application in the requirement of the heat. Its heat load variable-temperature can be 316º C, continuous use temperature is 260º C.
2. Mechanical Properties
PEEK is the plastic that strikes a balance between toughness and rigidity. Especially, it has an excellent fatigue resistance against alternating stress that is the most talented of all plastics, and it can be comparable with alloys.
3. Self-lubricating
PEEK has outstanding sliding characteristics in all plastics; It is suitable for stringent requirements for low coefficient of friction and resistance to friction used. Especially, the self-lubricating properties of PEEK will be better if it is modified by carbon fiber and graphite mixed in the proportion of each of them.
4. Chemical Resistance (corrosion resistance)
PEEK has excellent chemical resistance. In ordinary chemicals, it can be dissolved or damaged only by concentrated sulfuric acid; Its corrosion resistance is similar to those of steel and nickel.
5. Flame Retardant
PEEK is a very stable polymer. The 1.45mm thick samples can achieve the highest standard of fire retardant without adding any fire retardant.
6. Stripping Resistance
PEEK has good stripping resistance; Therefore, it can be made into thin wires or electromagnetic wire coating, and it can be used in harsh conditions.
7. Fatigue Resistance
PEEK has the best fatigue resistance among all resins.
8. Radiation Resistance
PEEK has a very strong γ Irradiated resistance, which is stronger than the radiation resistance of polystyrene, which is the best 1 among generic resin. It can be made into high-performance wiring that can still make good insulation capability when γ Irradiation is at doses of 1100Mrad.
9. Hydrolysis Resistance
PEEK and its composites will not be affected chemically by water and high-pressure steam. The products that are made from this material will maintain the outstanding characteristics in continuous use in high temperature and high pressure water.
| Property | Item No. | Unit | PEEK-1000 | PEEK-CA30 | PEEK-GF30 | |
| Mechanical Properties | 1 | Density | g/cm3 | 1.31 | 1.41 | 1.51 |
| 2 | Water absorption(23ºCin air) | % | 0.20 | 0.14 | 0.14 | |
| 3 | Tensile strength | MPa | 110 | 130 | 90 | |
| 4 | Tensile strain at break | % | 20 | 5 | 5 | |
| 5 | Compressive stress(at 2%nominal strain) | MPa | 57 | 97 | 81 | |
| 6 | Charpy impact strength (unnotched) | KJ/m 2 | No break | 35 | 35 | |
| 7 | Charpy impact strength (notched) | KJ/m 2 | 3.5 | 4 | 4 | |
| 8 | Tensile modulus of elasticity | MPa | 4400 | 7700 | 6300 | |
| 9 | Ball indentation hardness | N/mm 2 | 230 | 325 | 270 | |
| 10 | Rockwell hardness | – | M105 | M102 | M99 | |
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| Material: | Peek |
|---|---|
| Size: | According to Drawing or Sample |
| Color: | Natural, Black |
| Tooling: | CNC Lathe |
| Transport Package: | Packing in Wooden Pallet |
| Specification: | RoHS, FDA |
| Customization: |
Available
| Customized Request |
|---|
How do plastic pulleys contribute to the functioning of exercise and gym equipment?
Plastic pulleys play a significant role in the functioning of exercise and gym equipment. Here’s a detailed explanation:
1. Cable and Pulley Systems:
Many exercise machines, such as cable machines or functional trainers, utilize cable and pulley systems for resistance training. Plastic pulleys are an integral part of these systems as they guide and redirect the cables, allowing users to perform various exercises. The smooth rotation of plastic pulleys ensures consistent and friction-free movement of the cables, enabling users to engage in resistance training with controlled and targeted muscle activation.
2. Adjustable Resistance:
Plastic pulleys contribute to the adjustable resistance feature in gym equipment. By incorporating pulleys with different diameters or sizes, equipment manufacturers can vary the mechanical advantage and resistance experienced by users. Adjusting the position of the cable on different pulleys alters the resistance profile, providing users with a wide range of resistance levels to cater to their fitness goals and capabilities.
3. Smooth and Controlled Movements:
Plastic pulleys facilitate smooth and controlled movements during exercise routines. They offer low friction and excellent rotational capabilities, ensuring that the cables move freely and without jerks or interruptions. This smoothness allows users to perform exercises with proper form, reducing the risk of injury and providing a more comfortable workout experience.
4. Multiple Exercise Options:
Plastic pulleys enable the versatility of exercise and gym equipment by providing multiple exercise options. Gym machines equipped with pulley systems offer a wide range of exercises that target different muscle groups. Users can perform exercises such as chest presses, lat pulldowns, cable curls, and many more, all made possible by the smooth operation and flexibility of plastic pulleys.
5. Durability and Low Maintenance:
Plastic pulleys are known for their durability and low maintenance requirements. They are resistant to corrosion, wear, and impact, making them suitable for the demanding environment of gym equipment. Plastic pulleys require minimal lubrication and can withstand the repetitive and high-intensity movements associated with exercise machines. Their long-lasting nature reduces the need for frequent replacements and ensures consistent performance over time.
6. Noise Reduction:
Plastic pulleys contribute to noise reduction in exercise and gym equipment. The smooth rotation and low friction of plastic pulleys help minimize noise generated during the operation of cable and pulley systems. This is particularly important in commercial gyms or home environments where a quiet workout atmosphere is desired.
7. Portability and Lightweight Design:
In the case of portable exercise equipment or machines with adjustable features, plastic pulleys offer the advantage of being lightweight. The use of plastic pulleys reduces the overall weight of the equipment, making it easier to transport or move around. This is beneficial for users who prefer to exercise in different locations or need to store the equipment when not in use.
In summary, plastic pulleys are essential components in exercise and gym equipment. They contribute to the smooth operation of cable and pulley systems, enable adjustable resistance, facilitate controlled movements, offer multiple exercise options, provide durability with low maintenance, reduce noise, and offer portability. By incorporating plastic pulleys into their designs, manufacturers can enhance the functionality and user experience of exercise equipment, allowing individuals to engage in effective and versatile workouts for improved fitness and well-being.
How are plastic pulleys integrated into HVAC systems and air conditioning units?
Plastic pulleys play an important role in HVAC (Heating, Ventilation, and Air Conditioning) systems and air conditioning units. Here’s a detailed explanation of how they are integrated:
1. Blower and Fan Systems:
In HVAC systems and air conditioning units, plastic pulleys are commonly used in blower and fan systems. These pulleys are integrated with the motor shaft and connected to the blower or fan assembly. As the motor rotates, the pulleys transfer rotational motion to the blower or fan, enabling the movement of air through the system. The size, shape, and groove configuration of the plastic pulleys are designed to match the requirements of the specific blower or fan system, optimizing air circulation and performance.
2. Belt or Chain Drives:
Plastic pulleys are often used in belt or chain drive systems within HVAC and air conditioning units. They serve as the driving component that transfers power from the motor to various components, such as fans, compressors, or pumps. The pulleys are mounted on shafts and connected to the motor through belts or chains. The design of the plastic pulleys, including the groove configuration and diameter, is tailored to match the specific belt or chain profile, ensuring efficient power transmission and minimizing slippage.
3. Tensioning Systems:
Plastic pulleys are also incorporated into tensioning systems within HVAC and air conditioning units. Tensioning systems are used to maintain proper tension in belts or chains, ensuring optimal power transmission and preventing belt or chain slack. Plastic pulleys with adjustable features, such as spring-loaded or movable designs, are utilized in tensioning systems to apply the necessary tension to the belts or chains. This helps maintain the desired performance and reliability of the HVAC system or air conditioning unit.
4. Dampers and Louvers:
In HVAC systems, plastic pulleys are employed in dampers and louvers. Dampers control the flow of air within the system by adjusting the position of the blades or vanes. Plastic pulleys are integrated with the damper actuation mechanism, allowing for precise control and adjustment of the damper position. Similarly, plastic pulleys are used in louvers, which regulate the direction and distribution of air. They enable the smooth and controlled movement of louvers, ensuring efficient airflow management in HVAC systems.
5. Motorized Valve Systems:
Plastic pulleys are utilized in motorized valve systems within HVAC and air conditioning units. Motorized valves control the flow of fluids, such as chilled water or refrigerant, in the system. Plastic pulleys are integrated with the valve actuator, allowing the motor to drive the valve’s opening and closing motion. The design of the pulleys ensures reliable and precise operation of the motorized valve, facilitating accurate control of fluid flow and temperature regulation.
6. System Controls and Automation:
Plastic pulleys can be integrated into the control and automation systems of HVAC and air conditioning units. They are connected to sensors or actuators that provide feedback or receive commands for system control. The pulleys assist in translating the rotational motion from the motor to the desired movement or adjustment of various components, such as dampers, valves, or louvers. This integration allows for precise and automated control of the HVAC system or air conditioning unit based on temperature, humidity, or other environmental parameters.
Overall, plastic pulleys are integrated into HVAC systems and air conditioning units in various applications, including blower and fan systems, belt or chain drives, tensioning systems, dampers and louvers, motorized valve systems, and system controls. Their design and functionality contribute to the efficient operation, airflow management, and control capabilities of these systems, ensuring optimal comfort and performance in residential, commercial, and industrial settings.
What are the benefits of using plastic pulleys in various systems?
Plastic pulleys offer several benefits when used in various systems. Here’s a detailed explanation of the advantages of using plastic pulleys:
1. Lightweight:
Plastic pulleys are lightweight compared to metal pulleys. This characteristic is particularly advantageous in systems where weight reduction is desired, such as in automotive applications or portable equipment. The lightweight nature of plastic pulleys helps minimize the overall weight of the system, resulting in improved energy efficiency, reduced inertia, and easier handling and installation.
2. Low Friction:
Plastic pulleys are designed to have low friction surfaces. This feature reduces the resistance encountered by belts or cables during operation, resulting in smoother movement and improved efficiency. Low friction also helps minimize wear and tear on the belt or cable, extending their lifespan and reducing maintenance requirements. Additionally, the reduced friction contributes to energy savings and quieter operation of the system.
3. Corrosion Resistance:
Plastic pulleys offer excellent resistance to corrosion. Unlike metal pulleys that may rust or corrode when exposed to moisture or chemicals, plastic pulleys remain unaffected by such corrosive elements. This makes plastic pulleys a suitable choice for systems operating in outdoor or harsh environments, where exposure to moisture, chemicals, or saltwater is common. The corrosion resistance of plastic pulleys ensures long-lasting performance and reduces the need for frequent replacements.
4. Noise and Vibration Damping:
Plastic pulleys have inherent damping properties that help reduce noise and vibration in systems. The damping effect of plastic materials absorbs vibrations generated during belt or cable operation, resulting in smoother and quieter system performance. This is particularly beneficial in applications where noise reduction is important, such as in office equipment, household appliances, or precision machinery.
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 to match the specific requirements of the system. Plastic pulleys can incorporate features such as flanges, grooves, or mounting options directly into the design, ensuring optimal belt or cable engagement and alignment. This design flexibility enables efficient integration of the pulleys into different systems, improving overall performance and reliability.
6. Electrical Insulation:
Plastic pulleys provide electrical insulation properties. Unlike metal pulleys, which conduct electricity and can cause electrical interference or safety hazards, plastic pulleys offer insulation. This makes them suitable for use in systems where electrical conductivity needs to be avoided or isolated, such as in electronic equipment, robotics, or automation systems.
7. Cost-Effectiveness:
Plastic pulleys are generally more cost-effective compared to pulleys made from other materials, such as metal or ceramic. 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 various systems, especially in applications where multiple pulleys are required. They offer a balance between performance, durability, and affordability.
In summary, the benefits of using plastic pulleys in various systems include their lightweight nature, low friction, corrosion resistance, noise and vibration damping properties, design flexibility, electrical insulation, and cost-effectiveness. These advantages make plastic pulleys a popular choice in a wide range of industries and applications, contributing to improved system performance, durability, and overall efficiency.
editor by CX
2023-12-25