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 |
|---|
How do pulleys affect the performance of fitness equipment?
Pulleys have a significant impact on the performance of fitness equipment by enabling the smooth and efficient operation of various exercise machines. Here’s how pulleys affect the performance of fitness equipment:
1. Resistance Adjustment: Pulleys are often used in fitness equipment to provide adjustable resistance. By incorporating different-sized pulleys or using pulley systems with varying mechanical advantage, the resistance level can be adjusted to meet the user’s desired intensity. This allows individuals to customize their workouts and progress in their fitness journey.
2. Cable Systems: Many fitness machines, such as cable machines and functional trainers, utilize pulleys in their cable systems. These pulleys guide the cables and allow for multi-directional movements, providing a wide range of exercise options. The smooth movement facilitated by pulleys enhances user comfort and ensures consistent resistance throughout the exercise motion.
3. Weight Stacks: Weight stack machines commonly found in gyms employ pulleys to create resistance. The weight stack is connected to the exercise handles or levers through a cable and a series of pulleys. As the user performs the exercise, the pulleys help distribute the load and maintain proper cable tension, resulting in smooth and controlled movements.
4. Functional Training: Pulleys play a crucial role in functional training equipment, such as suspension trainers or resistance bands. These systems often feature adjustable pulleys that allow users to target specific muscle groups and perform a wide variety of functional movements. The pulleys enable smooth and controlled resistance, enhancing overall workout effectiveness.
5. Mechanical Advantage: Pulley systems can provide mechanical advantage in fitness equipment, making exercises more manageable and accessible. By utilizing pulleys with appropriate mechanical advantage, individuals can perform exercises that would otherwise require greater strength or effort. This feature is particularly beneficial for users with varying fitness levels or those recovering from injuries.
6. Smooth and Controlled Motion: Pulleys contribute to the smooth and controlled motion of fitness equipment. By reducing friction and providing proper cable alignment, pulleys ensure that the resistance is applied evenly throughout the exercise range of motion. This promotes fluid and natural movements, minimizing the risk of injury and maximizing the effectiveness of the exercise.
7. Durability and Safety: High-quality pulleys used in fitness equipment are designed to withstand the rigors of constant use and heavy loads. They are often made from durable materials and incorporate features such as sealed bearings to minimize maintenance and maximize safety. Reliable pulley systems contribute to the longevity and safety of fitness equipment.
Overall, pulleys are essential components in fitness equipment, influencing resistance adjustment, cable systems, weight stacks, functional training, mechanical advantage, motion quality, and equipment durability. They enhance the effectiveness, versatility, and user experience of fitness machines, allowing individuals to achieve their fitness goals and maintain an active and healthy lifestyle.
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.
What safety precautions should be observed when using pulleys?
When using pulleys, it is important to observe several safety precautions to ensure the well-being of individuals involved and prevent accidents. Here are some key safety precautions that should be followed:
1. Proper Training: Individuals who operate or work around pulley systems should receive proper training on their usage, including understanding the equipment, safety procedures, and potential hazards. Training should cover topics such as load limits, proper lifting techniques, and the importance of following safety guidelines.
2. Inspections and Maintenance: Regular inspections and maintenance of pulleys are crucial for identifying any signs of wear, damage, or malfunction. Inspect pulleys for cracks, deformation, excessive wear, or any other issues that may compromise their integrity. Replace damaged or worn-out pulleys immediately to prevent accidents.
3. Load Capacity: Ensure that the load being lifted or moved does not exceed the rated load capacity of the pulley system. Exceeding the load capacity can lead to overloading, which may result in equipment failure, accidents, or injuries. Refer to the manufacturer’s guidelines or load capacity charts for proper load calculations.
4. Secure Attachment: Ensure that pulleys are securely attached to their mounting points or support structures. Loose or improperly secured pulleys can cause the load to shift or fall, posing significant safety risks. Use appropriate hardware, such as bolts or clamps, and follow manufacturer recommendations for proper attachment methods.
5. Personal Protective Equipment (PPE): Individuals involved in pulley operations should wear the necessary PPE, depending on the specific hazards present. This may include safety helmets, gloves, safety glasses, and appropriate footwear. PPE helps protect against potential injuries from falling objects, impacts, or contact with moving parts.
6. Clear Work Area: Maintain a clear work area around the pulley system. Remove any obstructions, debris, or tripping hazards that could impede safe operation or cause accidents. Adequate space should be provided for safe movement and positioning of individuals involved in the operation.
7. Communication and Signaling: Establish clear communication and signaling protocols when working with pulleys. Use standardized hand signals or communication devices to ensure effective communication between operators, spotters, and other personnel involved. This helps coordinate movements, avoid misunderstandings, and prevent accidents.
8. Emergency Stop Procedures: Familiarize yourself with the emergency stop procedures for the pulley system. Ensure that all individuals involved are aware of how to quickly and safely stop the operation in case of an emergency or unexpected event. Clearly mark emergency stop buttons or switches and ensure they are easily accessible.
9. Lockout/Tagout: If performing maintenance, repairs, or adjustments on the pulley system, follow proper lockout/tagout procedures to isolate energy sources and prevent accidental startup. Lockout/tagout procedures help protect against unexpected movements or releases of stored energy.
10. Risk Assessment: Conduct a thorough risk assessment before using pulleys. Identify potential hazards, evaluate associated risks, and implement appropriate control measures to mitigate those risks. Regularly review and update risk assessments as necessary.
It is essential to consult relevant industry standards, guidelines, and local regulations specific to your application or jurisdiction to ensure compliance with safety requirements when using pulleys.
editor by CX
2023-12-18
