Product Description
Company Profile
We are a leading manufacturer of UHMW-PE products in China.Established in 1993, located in the China UHMW-PE production intensive center-Xihu (West Lake) Dis..We are a leading manufacturer of UHMW-PE products in China since 1990’s covering an area of 58,000 square meter, we are specialized in UHMW-PE engineering plastic products research ,development, manufacture, marketing and services.
Product Description
Ultra-high molecular weight polyethylene (UHMWPE) conveyor roller/ idler is a new generation of plastic instead of steel of high-tech products, its main raw material is ultra-high molecular weight polyethylene. Ultra high molecular weight polyethylene conveyor roller has physical and chemical properties which are high wear resistance, low friction coefficient, not easy to wear leather strap. It also has the fine self lubrication and not easy to card to die in the bad conditions, antistatic, flame retardant, aging resistance, corrosion resistance. It can withstand repeated impact, vibration, mechanical performance is excellent, light weight, easy installation, no maintenance, low noise (3-7DB), smooth operation. The temperature of using keep in -40°C to+85°C.
Product Advantages
1,Belt Friendly
— extremely High Wear Resistance ,which is about 5-7 times than that of steel roller . strong ability to resist adhesive , can prolong the service life of the belt for 2-3 times.
— high self-lubrication , No Material Build Up , thus no belt miss-tracking & material spillage , less down time , greatly reduced the working accident.
— don’t absorb water , thus it will not CHINAMFG with belt under low temperature.
2,superior sealing system
Dust and water proof sealing system (Patented) ,no grease leaking , prolong the bearing’s service life.
3,noise reduction
The noise reduction material of roller , the superior sealing system , high-precision bearings , And the U-shaped ventilation groove make it a great performance in noise reduction.
4,excellent TIR rate
The roller material is more flexible to shape with precise machining , it can significantly lower the TIR rate to 0.1mm or even less , no vibration under High Speed Conveying.
5,longer service life
— High-precision bearing has longer life than normal bearing.
— great patented sealing system , don’t absorb water , no grease leaking
6,light weight
— easy to install , replace and delivery
— less power consumption , smaller motor power required and reduce the cost.
7,F.R.A.S
Flame retardant , anti-static , resistant to corrosion of all kinds of chemical medium.
Product Parameters
| No. | Test Items | Unit | Results |
| 1 | T.I.R | mm | ≤0.2 |
| 2 | Axial displacement | mm | ≤0.4 |
| 3 | Axial displacement after falling | mm | <1.2 |
| 4 | Axial load | KN | >1.5 |
| 5 | Rolling resistance | N | ≤2.5 |
| 6 | Water spray running test | g | 0 |
| 7 | Underwater running test | g | 5 |
| 8 | Coefficient of friction | – | ≤0.1 |
Uhmwpe Pipe Application
Power Systems:
Fire power plant fly ash emissions, chemical water circulation system, sulfur removal system.
Coal industry:
Coal, coal slurry transport, mine air supply, exhaust, drainage system.
Chemical Industry:
Strong acid, alkali and other high corrosive media delivery, salt chemical brine, salt pulp, salt transport.
Oil exploitation:
Crude oil transportation, natural gas gathering and transportation, sewage recharge.
Metallurgical industry:
Coke powder, slag, pulp and smelting residue.
Mine Industry:
Slurry pipeline, coal mine high pressure water supply, gas pipeline.
Dredging works:
Rivers, lakes, ports, docks and other dredging works to transport sediment.
Ocean works:
seawater desalination in the transport of water, fresh water.
Municipal works:
sewage treatment, domestic water supply and gas transportation.
Projects
FAQ
1.Q: What’s Your bearing type and brand usually use?
A: Large clearance C3 ZZ type deep ball bearing with LYC, HRB,C&U and imported reknown bearings brand etc. According to customer’s requirements.
2.Q: How is your Payment Term?
A: T/T or L/C. Another payment term we can also discuss.
3.Q: Can you customize it?
A: We support customization according to your request.
4.Q: What’s the MOQ?
A: 1 piece.
5.Q: What’s the production capacity of your idler and belt conveyor?
A: Idlers 1,600,000 pcs/year.
6.Q: What’s your roller’s working life?
A: Our rollers have a long lifespan with good performance. Designed working life is 8,0000 hours under the ideal site and operation.
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| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Application: | Motor, Electric Cars, Machinery, Marine, Agricultural Machinery, Cement Industry |
| Hardness: | Hardened Tooth Surface |
| Manufacturing Method: | Cast Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | Plastic |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Can you explain the concept of “efficiency” in pulley systems?
In pulley systems, efficiency refers to the ratio of output work or power to the input work or power, taking into account any losses or inefficiencies in the system. It represents how effectively the pulley system converts the input energy into useful output energy.
The efficiency of a pulley system can be affected by various factors, including friction, mechanical losses, and the design and condition of the pulleys and ropes. Here are some key points to understand about efficiency in pulley systems:
1. Mechanical Advantage and Efficiency: Pulley systems can provide a mechanical advantage by reducing the effort force required to lift a load. However, it’s important to note that while a higher mechanical advantage generally means less effort is needed, it may also result in lower efficiency. This is because as the mechanical advantage increases, the system may experience higher frictional losses and other inefficiencies.
2. Friction and Efficiency: Friction plays a significant role in the efficiency of pulley systems. The interaction between the pulley wheels and the ropes or belts can result in frictional losses, which reduce the overall efficiency of the system. Friction can be minimized by using pulleys with low-friction bearings or by lubricating the contact surfaces.
3. Rope or Belt Material: The choice of rope or belt material can impact the efficiency of a pulley system. Different materials have varying coefficients of friction, flexibility, and durability, which can affect the overall efficiency. For example, using a rope or belt with low friction and high strength can help reduce energy losses and improve efficiency.
4. Pulley Design and Condition: The design and condition of the pulleys also influence efficiency. Pulleys should be properly aligned, have smooth surfaces, and be free from damage or wear. Misaligned or worn pulleys can increase friction and decrease efficiency.
5. System Load: The efficiency of a pulley system can vary based on the magnitude of the load being lifted or moved. Higher loads can result in increased friction and mechanical losses, leading to lower efficiency.
Efficiency is typically expressed as a percentage, with 100% representing a perfectly efficient system where all the input energy is converted into useful output energy. In real-world pulley systems, efficiency is often less than 100% due to various factors, including friction, heat generation, and other losses.
It’s important to consider efficiency when designing or evaluating pulley systems. Higher efficiency means a more effective use of input energy, reduced energy waste, and improved overall performance.
Can pulleys be part of renewable energy systems like wind turbines?
Yes, pulleys can indeed be part of renewable energy systems like wind turbines. While wind turbines primarily rely on the force of the wind to generate electricity, pulleys are used in various components to facilitate the efficient conversion of wind energy into electrical power. Here’s how pulleys can be incorporated into wind turbines:
1. Rotor and Blade Pitch Control:
Pulleys are utilized in the rotor and blade pitch control mechanism of wind turbines. The rotor consists of multiple blades that capture the wind’s energy and convert it into rotational motion. To optimize the turbine’s performance, the pitch angle of the blades needs to be adjusted based on wind conditions. Pulleys and cables are employed to control the pitch angle, allowing the blades to be positioned at the optimal angle to maximize power output. The pulley system enables precise and synchronized blade adjustment, ensuring efficient wind capture.
2. Generator System:
In wind turbines, pulleys are also utilized in the generator system. The rotational motion of the turbine’s rotor is transferred to the generator through a series of mechanical components, including pulleys and belts or gears. The pulleys help to increase or decrease the rotational speed and torque as needed to match the generator’s requirements. This mechanical advantage provided by the pulleys ensures that the generator operates at its optimal speed, enhancing the efficiency of electricity generation.
3. Lifting and Maintenance Systems:
Pulleys are often incorporated into the lifting and maintenance systems of wind turbines. Wind turbine components, such as the nacelle (housing the generator and other equipment) and the rotor blades, are large and heavy, requiring periodic inspection, repair, and replacement. Pulley systems are employed to lift and lower these components during maintenance activities. The pulleys, along with cables and hoists, allow for controlled and safe handling of the heavy parts, enabling efficient maintenance and minimizing downtime.
4. Access Systems:
In larger wind turbines, pulleys are utilized in access systems that provide safe and efficient access to various parts of the turbine, including the nacelle and the rotor blades. Climbing systems or platforms equipped with pulleys allow technicians to ascend or descend the turbine structure, providing easy access for inspection, maintenance, and repairs. Pulleys facilitate the movement of personnel and equipment, ensuring the safety and efficiency of wind turbine operations.
By incorporating pulleys into these different aspects of wind turbines, renewable energy systems can benefit from increased efficiency, improved maintenance procedures, and enhanced safety measures. Pulleys contribute to the overall performance and reliability of wind turbines, enabling the harnessing of wind energy for clean and sustainable electricity generation.
Can pulleys be customized for specific applications?
Yes, pulleys can be customized to meet the specific requirements of various applications. Customization allows pulleys to be tailored to specific sizes, shapes, materials, and performance characteristics. Here’s a detailed explanation of how pulleys can be customized:
1. Size and Shape: Pulleys can be customized in terms of their size and shape to fit the specific space and layout constraints of the application. This includes variations in diameter, width, groove configuration, and overall design. Custom sizes and shapes ensure optimal fit and compatibility within the system, allowing for efficient and effective load distribution and lifting.
2. Materials: Pulleys can be customized based on the materials used for their construction. Different materials offer varying properties such as strength, durability, weight, and resistance to corrosion or wear. By selecting the appropriate materials, pulleys can be customized to withstand the specific operating conditions of the application, including temperature, humidity, and exposure to chemicals or harsh environments.
3. Bearing Systems: The bearing system of a pulley can be customized to suit the requirements of the application. Different bearing types, such as ball bearings or roller bearings, can be selected based on factors like load capacity, rotational speed, and desired friction characteristics. Customizing the bearing system ensures smooth rotation, reduced friction, and improved overall performance of the pulley.
4. Coatings and Surface Treatments: Pulleys can be customized with various coatings and surface treatments for enhanced performance. For example, pulleys used in applications that involve high temperatures may benefit from heat-resistant coatings. Pulleys used in environments with corrosive substances can be coated with protective materials to prevent corrosion. Surface treatments such as polishing or plating can also be applied to reduce friction, improve wear resistance, or provide specific surface properties.
5. Load Capacity and Performance: Pulleys can be customized to accommodate specific load capacities and performance requirements. This includes determining the number of pulleys in a system, selecting the appropriate pulley ratios, and configuring the pulley arrangement to achieve the desired mechanical advantage. Customization allows pulleys to be optimized for the specific load requirements, ensuring efficient load distribution and lifting.
6. Integration with Systems: Pulleys can be customized to seamlessly integrate with existing systems or equipment. This involves designing pulleys with compatible interfaces, mounting options, and connection methods. Customization ensures proper alignment, easy installation, and smooth operation when incorporating pulleys into the overall system.
7. Specialty Applications: In certain specialized applications, pulleys can be customized to meet unique requirements. This may include designing pulleys for extreme operating conditions, such as high speeds or heavy loads, or developing pulleys with specific features like built-in sensors or locking mechanisms. Customization allows pulleys to be tailored to the specific needs of niche applications.
Customization of pulleys is typically carried out by manufacturers or suppliers who have the expertise and capabilities to design and produce pulleys according to specific customer requirements. This allows for the optimization of pulley performance, compatibility, and efficiency in a wide range of applications.
editor by CX
2024-04-29
