Product Description
Single Bearing Trapezoid Gate Wheel
| Model | A | B | C | D | E | Weight (Y) Units:g |
Weight (U) Units:g |
Weight (V) Units:g |
| 30×11 | 35 | 11 | 30 | 45 | 17 | * | * | 63 |
| 40×14 | 45 | 14 | 38 | 75 | 25 | 192 | 185 | 194 |
| 50×15 | 55 | 15 | 48 | 75 | 25 | 253 | 244 | 263 |
| 50×15 | 60 | 15 | 48 | 85 | 30 | 303 | 292 | 302 |
| 60×17 | 65 | 20 | 58 | 85 | 30 | 400 | 395 | 410 |
| 70×20 | 80 | 20 | 68 | 100 | 35 | 640 | 640 | 665 |
| 80×20 | 85 | 20 | 48 | 100 | 35 | 805 | 785 | 825 |
| 90×20 | 100 | 20 | 88 | 133 | 35 | 1130 | 1121 | 1145 |
| 100×20 | 105 | 20 | 98 | 133 | 35 | 1350 | 1338 | 1363 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||||
Double Bearing Gate Wheel
| Model | A | B | C | D | E | Weight(Y) | Weight(U) |
| 50MM | 55 | 26 | 48 | 85 | 30 | 324 | 320 |
| 60MM | 65 | 30 | 58 | 85 | 30 | 617 | 580 |
| 70MM | 80 | 32 | 68 | 100 | 35 | 977 | 954 |
| 80MM | 85 | 32 | 48 | 100 | 35 | 1260 | 1223 |
| 90MM | 100 | 32 | 88 | 133 | 35 | 1788 | 1760 |
| 100MM | 105 | 32 | 98 | 133 | 35 | 2100 | 2078 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||
Laminated Gate Wheel
| Model | A | B | C | D | Weight(Y/V) | Weight(U) |
| 50mm | 48 | 15 | 100 | 26 | 260 | 250 |
| 60mm | 58 | 17 | 100 | 26 | 390 | 360 |
| 70mm | 68 | 20 | 136 | 33 | 590 | 570 |
| 80mm | 78 | 20 | 136 | 33 | 750 | 725 |
| 90mm | 88 | 20 | 152 | 33 | 1060 | 1030 |
| 100mm | 98 | 20 | 152 | 33 | 1265 | 1225 |
| The data is measured by hand, maybe there are some errors, just for reference. | ||||||
Hang Gate Wheel
| Model | A | B | C | D | E | F | G | H | I |
| H25 | 51 | 25 | M9*50 | 9 | 95 | 79 | 25 | 6 | 27 |
| H38 | 86 | 38 | M12*70 | 11 | 120 | 118 | 38 | 10 | 32 |
| H55 | 115 | 55 | M20*85 | 14 | 140 | 159 | 44 | 10 | 15 |
| The data is measured by hand, maybe there are some errors, just for reference. | |||||||||
Triangle Gate Wheels/ Rotation Gate Wheels/ Hanging Wheels/ White Zinc Gate Wheels/ Doule Wheels Double Bearing Gate Wheel
We have already had nealy a decade producting and exporting experience. Since 2014, we have sold our products to dozens of countries all around the world. And we have established a deep cooperative relationship with many customers.
We make our products with heart, strive to bring the best quality for customers. So we got a lot of customer approval. After that, we will also strictly control, down-to-earth, and forge ahead.
1.ZheJiang Joinwin Hardware and Tools Co., Ltd. we have 10 years manufacturing and exporting experience which ranks among the best in China. Mainly sales pliers, spanners, scissors, saws, screwdrivers, wheels, sillicone sealant, tapline and other hand tools.
2.Located in HangZhou where is just 180km far from HangZhou Port and many raw material factories around, greatly reduces transportation and procurement costs.
3.We have professional sales and engineers to provide satisfied service to clients. Our company covers an area of 1000 square meters, has the most advanced production equipment and technology.
4.Customer first, team work, embrace change, sincere are our company culture.
5.We aim to provide clients more safety and convenient life.
Pliers Adjustable Wrench Combination Spanners Hammers Pruner Scissors Aviation Tin Snips
Screwdrivers Padlocks Hand Saws Axe Silicone Sealant
Q1: Can I get a sample?
A1: Yes, the samples are usually free for customers.
Q2: Can you provide OEM service?
A2: Yes, we can produce the goods according to clients’ demands.
Q3: How can you guarantee the quality?
A3: We have advanced equipment and professional engineer and quality inspector to ensure the quality of the goods. And we will send extra goods for insurance. Besides, we have satisfied after-service.
Q4: What is the MOQ?
A4: 500 PCS.
Q5: How long you will finish my order?
A5: Totally in 30 days. (The specific situation depends on the production schedule of the production department.) /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | 3 Years |
|---|---|
| Warranty: | 365 Days |
| Certification: | CE |
| Splittable: | Splittable |
| Surface Treatment: | Zinc Plated |
| Material: | Metal |
| Samples: |
US$ 0.01/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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
2024-03-11