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China best 15 mm Thick Fire Resistant Conveyor Pulley Rubber Backed Ceramic Lagging Ceramic Coated Pulley idler pulley

Product Description

 HangZhou Port Shipbuilding & Machinery Industry Co.,ltd, a wholly owned subsidiary of ZheJiang Port Equipment Group ,is a large comprehensive state-owned company combining industrial products research and manufacture, steel structure and equipment producing, general contracting service for industrial system integration and ships & equipment building and maintenance.

 

As a member of the Standardization Administration of China/Technical Committee (SAC/TC331) , the company owns the production qualification for transport machinery, Grade-I Class III Production Qualification of steel general ships, Grade-I Production Qualification of steel fishing vessels; Grade-I Professional Contracting Qualification of steel structure, and kinds of Professional contracting qualifications for electrical and mechanical equipment installation, corrosion protection and insulation engineering, foundation, etc. The company also occupies Class B Design Qualification of steel fishery vessels and the Design & Construction Qualification of marine fishery platforms registered with the Ministry of Agriculture. The main business scope of RPIC covers ports, marine equipment, mining, electric power; cement, metallurgy; paper making and other various industries.

Product Introduction

   The drum is the main component that transmits power. It is divided into 3 types according to their load-carrying capacity: light, medium and heavy.

 Light: Bearing aperture 80-100mm, the shaft and hub are single-width plate welded cylinder structure connected by single key.
 Medium: Bearing aperture 120-180mm, the shaft and hub are expansion sleeve connection.

 Heavy: Bearing aperture 200-220mm, the shaft and hub are expansion sleeve connection, and the drum body is cast-welded structure.

Product Description

    Conveyor pulley stays at 2 ends of belt machine. The pulley can be divided into 2 categories: Driving pulley and averting pulley, driving pulley is the main part for transmitting the power and there are 2 kinds of pulley sets: Smooth surface and rubber surface, and rubber surface can be classified into smooth rubber surface, herringbone rubber surface and CHINAMFG rubber surface to meet different technical requirements. Averting pulley can be classified into smooth rubber surface and smooth steel surface.

 

Main Equipment & Facilitys

 

Project Performance

Packaging & Shipping

 

                                       Our EPC Conveying System Project

                                               Customer Visit & Exhibition

                                                 
                                                Company Certificate

FAQ

  Q1:Can you send samples?

A:Of course, we can provide customers with free samples but customer should pay the courier fee.

Q2:What product information do I need to provide?

A:Please kindly provide the grade, width, thickness, surface treatment requirement  and quantities you need to purchase.

Q3:What is your terms of payment ?

A: 30% T/T in advance ,balance before shipment or 100% LC at sight.

Q4.Do you provide customer made Products service?

A: Yes,if you have your own design , we can produce according to your specification and drawing.

Q5:How long does your delivery time take?

A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.

Q6: How many countries you already exported to?

A:We have exported to America, Canada, Brazil, Chile, Colombia, Thailand, Myanmar, Vietnam,  and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.

Q7:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q8:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging,  customers can appoint third parties to inspect the products before loading too.

Q9:How to pack the products?

A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during CHINAMFG transportation.

Q10:What is your working time?

A:In general, our online service time is ZheJiang time: 8:00-22:00, after 22:00, we will reply to your inquiry in the coming working day.

 

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Material: Carbon Steel
Surface Treatment: Polishing
Motor Type: Frequency Control Motor
Customization:
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Currency: US$
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spring pulley

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

Maintaining the reliability of spring pulleys is essential for the proper functioning and longevity of HVAC systems and air conditioning units. Here are some maintenance procedures that are necessary to ensure the reliability of spring pulleys:

  1. Regular Inspection: Conduct regular visual inspections of the spring pulleys to check for any signs of wear, damage, or misalignment. Look for cracks, corrosion, or excessive vibrations. Inspect the pulley alignment and ensure that it is properly seated on the shaft.
  2. Lubrication: Lubricate the spring pulleys as per the manufacturer’s recommendations. Proper lubrication helps reduce friction, wear, and noise. Use a high-quality lubricant suitable for the specific application and follow the recommended lubrication intervals.
  3. Tension Adjustment: Periodically check and adjust the tension in the spring pulleys. The proper tension ensures optimal power transmission and prevents belt slippage. Refer to the system’s specifications or consult the manufacturer’s guidelines for the recommended tension levels.
  4. Belt Inspection and Replacement: Inspect the belts connected to the spring pulleys regularly. Look for signs of wear, cracking, or stretching. Replace any worn or damaged belts promptly to prevent failures and ensure consistent power transmission. Follow the manufacturer’s recommendations for belt replacement intervals.
  5. Cleaning: Keep the spring pulleys and their surrounding areas clean and free from debris, dust, and contaminants. Regularly remove any accumulated dirt or debris that may affect the pulley’s performance or cause imbalance.
  6. Alignment: Ensure proper alignment between the spring pulleys and the driven components such as fans, compressors, or pumps. Misalignment can lead to increased wear, decreased efficiency, and premature failure. Use alignment tools and techniques to correct any misalignment issues.
  7. Temperature and Environmental Considerations: Consider the operating temperature and environmental conditions when maintaining spring pulleys. Extreme temperatures, excessive humidity, or corrosive environments can impact the pulley’s performance. Take appropriate measures to protect the pulleys, such as using protective coatings or installing thermal insulation.
  8. Professional Maintenance: In addition to regular inspections and basic maintenance procedures, it is advisable to schedule professional maintenance for the entire HVAC system, including the spring pulleys. Professional technicians can perform in-depth inspections, identify potential issues, and perform specialized maintenance tasks to ensure optimal reliability.

By following these maintenance procedures, you can enhance the reliability of spring pulleys, reduce the risk of failures, and prolong the lifespan of HVAC systems and air conditioning units.

spring pulley

How are spring pulleys utilized in automotive engines and accessory systems?

Spring pulleys play a crucial role in automotive engines and accessory systems, contributing to their efficient operation and performance. They are utilized in various applications to drive and control different components within the engine and accessory systems. Let’s explore how spring pulleys are utilized in automotive engines and accessory systems:

1. Serpentine Belt System: Spring pulleys are an integral part of the serpentine belt system in automotive engines. The serpentine belt connects and drives multiple engine accessories, such as the alternator, power steering pump, air conditioning compressor, and water pump. Spring tensioners or idler pulleys equipped with springs are used to maintain proper belt tension, ensuring optimal power transmission and preventing belt slippage or excessive wear.

2. Belt Drive Systems: Spring pulleys are also used in other belt drive systems within the engine or accessory systems. They help drive components such as the timing belt, camshaft, balance shaft, supercharger, or turbocharger. The spring tensioners in these systems apply appropriate tension to the belts, ensuring accurate timing, improved efficiency, and reliable operation of the driven components.

3. Decoupler Pulleys: Decoupler pulleys, often equipped with springs, are employed in accessory systems such as the crankshaft pulley or the automatic belt tensioner. These pulleys feature a spring-loaded mechanism that allows them to absorb engine vibrations or torsional oscillations. The spring tension in the decoupler pulleys helps reduce stress on the belts and other components, enhancing their longevity and minimizing noise and vibration.

4. Overrunning Alternator Pulley (OAP): The overrunning alternator pulley, also known as the one-way clutch pulley, is a spring-loaded pulley used in automotive alternator systems. It allows the alternator to freewheel during deceleration or engine braking, reducing drag on the engine and improving fuel efficiency. The spring mechanism within the OAP engages and disengages the alternator pulley smoothly, providing optimal charging and power generation without excessive strain on the engine.

5. Damping and Tension Control: Spring pulleys are employed for damping and tension control in various automotive systems. For example, they can be used in the accessory belt tensioner to maintain consistent tension in the belt under different operating conditions. The springs within these pulleys absorb vibrations, fluctuations, and belt slippage, ensuring smooth operation and preventing damage to the belt and associated components.

6. Belt Alignment and Tracking: Spring pulleys are utilized to maintain proper belt alignment and tracking. In systems with multiple belts, such as the serpentine belt system, spring-loaded idler pulleys or tensioners help ensure that the belts remain aligned with the pulleys, preventing misalignment, noise, and premature wear. The spring tension in these pulleys compensates for belt stretching and keeps the belts properly positioned on the pulleys.

7. Accessory System Control: Some automotive accessory systems utilize spring pulleys for control purposes. For instance, in variable displacement compressor systems for air conditioning, spring pulleys are employed to engage or disengage the compressor based on the cooling demand. The spring mechanism within these pulleys responds to pressure or temperature changes, regulating the operation of the compressor and optimizing energy efficiency.

8. Belt Replacement and Maintenance: Spring pulleys simplify belt replacement and maintenance procedures. Tensioners or idler pulleys equipped with springs can be designed with quick-release mechanisms or adjustable tension settings, making it easier to install or remove belts during servicing. The spring tensioners also facilitate routine belt inspections, allowing mechanics to assess belt condition and tension with greater convenience.

In automotive engines and accessory systems, spring pulleys serve critical functions such as maintaining belt tension, enabling proper belt alignment, absorbing vibrations, controlling accessory system operation, and improving overall performance and reliability. Their inclusion in these systems ensures efficient power transmission, reduces wear and tear, and enhances the longevity of belts and other components.

spring pulley

How does the spring mechanism work in a spring pulley system?

The spring mechanism in a spring pulley system plays a crucial role in maintaining proper tension in belts or cables. It utilizes the properties of a spring to provide controlled and adjustable tension. Let’s explore how the spring mechanism works in a spring pulley system:

When a spring pulley is designed, a spring is integrated into its structure. The spring can be in the form of a coil spring, a leaf spring, or any other type of spring mechanism. The spring is typically positioned in a way that it exerts a specific amount of force on the pulley or the belt/cable it is connected to.

Here’s how the spring mechanism works within a spring pulley system:

1. Initial Tension: When the spring pulley system is assembled, the spring is preloaded with an initial tension. This tension ensures that there is sufficient force exerted on the belt or cable to prevent slackness or slippage under normal operating conditions.

2. Automatic Tension Adjustment: As the belt or cable operates and experiences variations in tension, stretching, or load fluctuations, the spring mechanism in the pulley adjusts automatically. If the tension in the belt or cable decreases due to stretching or load changes, the spring expands to compensate for the reduction in tension and maintain the desired level of tension. Similarly, if the tension increases, the spring compresses to prevent excessive tension that could lead to belt or cable damage.

3. Energy Storage and Release: The spring in the pulley system acts as an energy storage device. When the tension in the belt or cable decreases, the spring expands, storing potential energy. This stored energy is then released as the tension increases, allowing the spring to contract and apply the necessary force to maintain the desired tension level.

4. Tension Adjustability: Many spring pulley systems offer tension adjustability. This is achieved by incorporating mechanisms such as set screws, locking nuts, or movable components that allow users to modify the compression or position of the spring. By adjusting these mechanisms, the tension provided by the spring can be fine-tuned or modified to suit the specific requirements of the application.

5. Spring Types and Characteristics: The selection of the spring type and its characteristics depend on the specific application requirements. Coil springs, for example, provide linear force and are commonly used in spring pulley systems. Leaf springs, on the other hand, offer a more flexible and controllable force. The choice of the spring material, size, and design parameters all contribute to the overall performance and functionality of the spring pulley system.

The spring mechanism in a spring pulley system ensures that the tension in the belt or cable remains consistent, regardless of variations in load, stretching, or other factors. It provides automatic tension adjustment, energy storage and release, and adjustability, contributing to the efficient and reliable operation of the system.

China best 15 mm Thick Fire Resistant Conveyor Pulley Rubber Backed Ceramic Lagging Ceramic Coated Pulley   idler pulley	China best 15 mm Thick Fire Resistant Conveyor Pulley Rubber Backed Ceramic Lagging Ceramic Coated Pulley   idler pulley
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