NN Conveyor Belt

Your Professional NN Conveyor Belt Manufacturer in China!

Our factory is a professional factory producing rubber belts, We are one of the leading manufacturers in the research, design, manufacturing, and distribution of various power transmission belts in China.

Why Choose Us

Wide Product Range

Our products cover Auto Transmission belts such as cogged V-belts, Ribbed V-belts, timing belts, Industrial transmission belts such as REL&REP belts, etc.

Broad Market

Our products are exported to dozens of countries/regions in Southeast Asia, the Middle East, Africa, and the United States.

Advanced Equipment

Our factory independently manufactures and improves equipment, adheres to technological innovation, and independently develops and introduces advanced equipment.

Professional Service

We have an experienced and professional customer support team to provide flexible service to customers around the world, giving full support from product design to marketing.

Definition of NN Conveyor Belt

NN conveyor belt is also called nylon conveyor belt skeleton force body for NN canvas (vertical and horizontal are nylon). Nylon is one of the best-quality synthetic fibers. Conveyor belts with nylon canvas inside have the characteristics of a thin belt body, high tensile strength, good shock resistance, good trough ability, high adhesion between plies, splendid flexibility and long working life. Nylon conveyor belts are suitable for medium, long-distance, and heavy-load transportation of materials, widely used in mining, metallurgical industry architectural industry, ports, etc.

How Do NN Conveyor Belts Work

NN conveyor belts are a continuous loop of material that are driven by a system of pulleys or drives to carry goods. They are used in a variety of material handling applications, including food and beverage processing, manufacturing, mining, packaging, and power transmission. A conveyor belt works by using two motorized pulleys that loop over a long stretch of thick, durable material. When motors in the pulleys operate at the same speed and spin in the same direction, the belt moves between the two. If objects are particularly heavy or bulky — or if the conveyor belt is carrying them for a long distance or duration — rollers may be placed on the sides of the conveyor belt for support.

Features of NN Conveyor Belts

NN conveyor belts, also known as Nylon/Nylon conveyor belts, are popular in various industries due to their durability and strength. Here are some features of NN conveyor belts:
Material: NN conveyor belts are made from a combination of nylon fabric plies, which provide high tensile strength and excellent resistance to impact and abrasion.
High Tensile Strength: The nylon fabric used in NN conveyor belts offers superior strength, making them suitable for heavy-duty applications and long-distance conveying.
Low Stretch: NN conveyor belts have low elongation characteristics, ensuring stable and consistent performance even under high tension loads.
Good Flexibility: Despite their high tensile strength, NN conveyor belts remain flexible, allowing for smooth operation and easy adaptation to various conveyor systems.
Impact Resistance: The construction of NN conveyor belts makes them resistant to impact and shock loads, preventing damage and ensuring reliable operation in rugged environments.
Abrasion Resistance: The nylon fabric plies in NN conveyor belts provide excellent resistance to abrasion, extending the belt's lifespan and reducing maintenance costs.
Weather Resistance: NN conveyor belts are designed to withstand various weather conditions, making them suitable for both indoor and outdoor applications.
Long Service Life: Due to their durability and resistance to wear and tear, NN conveyor belts offer a long service life, reducing downtime and maintenance requirements.
Wide Range of Applications: NN conveyor belts are versatile and can be used in industries such as mining, cement, steel, construction, agriculture, and many others that require reliable and efficient conveyor systems.
Available in Various Grades: NN conveyor belts come in different grades to suit specific application requirements, such as heat-resistant, oil-resistant, flame-retardant, etc.

Advantages of NN Conveyor Belts

Economical
One of the biggest benefits of NN conveyor belts is their cost of manufacturing. It is actually quite economical to produce. Therefore, it is an excellent investment for warehouses and material-handling organizations.

Easy To Stock
Due to the low cost of production, it is convenient for warehouses to stock more parts of the conveyor belt. Thus, they have instant access to spare parts and components in the event of repair or breakdown.

Designed To Handle Heavy-Duty Loads
Most NN belt conveyors are made using injection moulding. The major advantage of using this method is that there are few to no limitations when it comes to designing a part. Hence, plastic conveyors designed this way can be optimized to handle heavy loads and be extremely durable.

Material Characteristics Can Be Customized
Another major benefit of NN modular conveyor belts is the flexibility in terms of manufacturing the parts. Conveyor belt components can be customized to fit your particular requirements. For instance, it can be made more rigid or flexible, or it can be designed to be more high-friction or low-friction. These modifications will have a significant impact on the operation, so it is important to be clear on the design requirements.

Types of NN Conveyor Belts

NN conveyor belts, which are composed of nylon fabric plies, come in different types to suit various industrial applications. Here are some common types of NN conveyor belts:

General-Purpose NN Conveyor Belts

These belts are well-suited for a wide range of applications in industries such as manufacturing, mining, agriculture, and logistics. They offer good strength, durability, and flexibility.

Heat-Resistant NN Conveyor Belts

Designed to withstand high temperatures, heat-resistant NN conveyor belts are suitable for conveying materials in industries like foundries, steel mills, and glass plants.

Oil-Resistant NN Conveyor Belts

These belts are resistant to various oils and greases, making them ideal for applications in industries such as automotive, recycling, and waste management where oil contamination is a concern.

Flame-Resistant NN Conveyor Belts

Used in industries where fire safety is a priority, flame-resistant NN conveyor belts have properties that prevent or slow down the spread of flames in case of a fire.

Cold-Resistant NN Conveyor Belts

Designed to perform optimally in cold environments, these belts are used in industries like food processing, cold storage facilities, and winter sport equipment manufacturing.

High Abrasion-Resistant NN Conveyor Belts

These belts are reinforced to withstand abrasive materials and harsh operating conditions, making them suitable for industries such as mining, aggregate handling, and construction.

Chemical-Resistant NN Conveyor Belts

Manufactured with materials that resist chemical exposure, these belts are used in industries dealing with chemicals, fertilizers, and other corrosive substances.

Hygienic NN Conveyor Belts

Designed to maintain high sanitation standards, hygienic NN conveyor belts are used in industries where cleanliness and contamination control are crucial, such as pharmaceutical and medical device manufacturing.

Applications of NN Conveyor Belts

NN conveyor belts are versatile and find applications across various industries due to their durability and strength. Here are some common applications of NN conveyor belts:
Mining Industry: NN conveyor belts are used in mining operations for transporting materials such as coal, ore, and aggregates. They can withstand heavy loads and harsh conditions in mines.
Steel Industry: These belts are employed in steel plants for handling raw materials, such as iron ore and coal, as well as transporting finished products in the steel production process.
Cement Industry: NN conveyor belts are utilized in cement plants for conveying materials like limestone, clay, gypsum, and clinker. These belts can handle high temperatures and abrasive materials.
Agricultural Sector: In agriculture, NN conveyor belts are used for applications like grain handling, seed processing, and fertilizer transportation in facilities such as grain elevators and processing plants.
Construction Sector: NN conveyor belts are deployed at construction sites for moving materials like sand, gravel, and concrete. They are suitable for the heavy-duty demands of the construction industry.
Recycling Facilities: NN conveyor belts are used in recycling plants for sorting, handling, and processing various recyclable materials like glass, paper, plastic, and metal.
Automotive Industry: These belts find application in automotive plants for conveying materials during assembly lines, including parts like engines, tires, and components across different stages of production.
Ports and Logistics: NN conveyor belts play a crucial role in ports and logistics operations for loading and unloading cargo from ships, trucks, and warehouses. They aid in efficient material handling.
Food Processing Industry: In food processing plants, hygienic NN conveyor belts are used to transport food products safely, maintaining high cleanliness standards and complying with food safety regulations.
Warehousing and Distribution Centers: NN conveyor belts are utilized in warehouses and distribution centers for transporting goods and products within the facility, facilitating fast and systematic inventory movement.

How to Choose the Right NN Conveyor Belt

Dimensions
Determining the dimensions of the conveyor belt is the most important step. By accurately gathering the available dimensions, belting representatives are immediately able to rule out certain belt options and settle on the most viable choices.

Product Specifications
Which type of conveyor belt will be most appropriate depends heavily on the types of products it will be transporting. It is specifically important to note the following factors:
● Conveyor belts can bend or warp under the weight of heavy materials, so it is vital to choose a belt that is specifically designed to carry the weight of your product.
● In order to prevent products from becoming entangled in the conveying machine or falling off the side of the belt, the belt should be sized such that the products can comfortably fit on its surface.
● To ensure the longevity of the belt, consider the material of the products themselves—for example, the sharp edges of metal products can damage a belt that is not designed to withstand wear and tear.

Decline and Incline Requirements
If the conveyor belt will need to operate on inclines or declines, it is possible that products will slip and render the belt ineffective. In order to avoid this scenario, additions such as stoppers or grippers can be highly beneficial to ensure that objects stay in place.

Environmental Conditions
Not all conveyor belts are able to withstand extreme temperatures or product spills. As such, understanding the type of environment in which the conveyor will be placed, as well as what types of materials it will transport, is a vital step in choosing the appropriate belt.

Maintenance Tips for NN Conveyor Belt

NN conveyor belts are used in a variety of industries to transport materials from one location to another. They are durable and efficient machines that require regular maintenance and occasional repairs to function at their best.

Maintenance of NN Conveyor Belts

● Cleaning: NN conveyor belts need to be cleaned regularly to remove any debris or buildup that can cause damage or malfunction. Use a scraper or brush to remove any dirt, dust, or other particles that may have accumulated on the belt. A vacuum or compressed air can also be used to clean the conveyor belts.
● Lubrication: NN conveyor belts need to be lubricated regularly to ensure smooth and efficient operation. Use a lubricant recommended by the manufacturer, and apply it according to the instructions provided.
● Tensioning: NN conveyor belts need to be properly tensioned to prevent slippage and ensure efficient operation. Check the tension regularly, and adjust it as needed.
● Inspections: Regular inspections are essential to ensure that conveyor belts are functioning properly. Inspect the belts for signs of wear or damage, such as cracks or frayed edges, and replace any damaged belts immediately.
● Alignment: Conveyor belts need to be properly aligned to prevent excessive wear and tear. Check the alignment regularly, and adjust it as needed.
● Tracking: Conveyor belts can sometimes become misaligned or "run off track." Use a tracking device or adjust the idlers to ensure that the belt stays in the correct position.
● Training: Train your employees on the proper use and maintenance of conveyor belts to ensure safe and efficient operation.

Repairs of NN Conveyor Belts

● Belt Replacement: NN conveyor belts have a limited lifespan and will eventually need to be replaced. When replacing a belt, make sure to use a belt that is compatible with the conveyor system and follow the manufacturer's instructions for installation.
● Belt Splicing: Conveyor belts can sometimes become damaged or develop a tear. In these cases, belt splicing can be used to repair the belt. Belt splicing involves cutting the damaged section of the belt and attaching a new section using adhesive or heat.
● Idler Replacement: Idlers are used to support the conveyor belt and can become worn or damaged over time. Replace any damaged or worn idlers to ensure smooth and efficient operation.
● Motor Replacement: Conveyor belts are powered by motors, which can sometimes fail or become damaged. When this happens, the motor will need to be replaced.
● Pulley Replacement: Pulleys are used to drive the conveyor belt and can become worn or damaged over time. Replace any damaged or worn pulleys to ensure smooth and efficient operation.
● Frame Repair: Conveyor belt frames can become damaged or corroded over time. Repair any damage to the frame to ensure the proper alignment and tension of the belt.

Proper maintenance and occasional repairs are essential to ensure the longevity and reliability of conveyor belts. Regular cleaning, lubrication, tensioning, inspections, alignment, tracking, and employee training can help prevent damage and ensure safe and efficient operation. When repairs are needed, it is important to follow the manufacturer's instructions and use the appropriate tools and equipment. By following these guidelines, you can help ensure the proper functioning of your conveyor belts and prevent downtime and costly repairs.

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Ultimate FAQ Guide to NN Conveyor Belt

Q: What is an NN conveyor belt?

A: An NN conveyor belt is a type of multi-ply conveyor belt made up of nylon (N) and nylon (N) fabric layers, hence the term "NN." These belts are known for their high strength, flexibility, and durability, making them suitable for various industrial applications that require reliable material handling and transportation. The layers of nylon fabric provide excellent resistance to impact, tearing, and abrasion, making NN conveyor belts ideal for heavy-duty conveying tasks in industries like mining, agriculture, manufacturing, and more.

Q: What are the advantages of using NN conveyor belts?

A: Conveyor belts move large quantities of goods quickly and reliably for transport, further assembly, or storage. The principal reasons so many conveyor systems are in use are the savings in labor costs, efficient movement of goods, and protection of products and materials from damage.

Q: How does an NN conveyor belt differ from other types of conveyor belts?

A: NN conveyor belts differ from other types of conveyor belts in their construction and material composition. Here are some key differences:
Material Composition: NN conveyor belts are made of nylon fabric layers, while other types like EP (polyester) or steel cord conveyor belts have different materials at their core.
Strength: NN conveyor belts are known for their high tensile strength, making them suitable for heavy-duty applications. EP belts, for example, offer good flexibility but may not have the same level of strength as NN belts.
Durability: The nylon fabric layers in NN belts provide excellent resistance to impact, tearing, and abrasion, enhancing their durability compared to other types of conveyor belts.
Applications: NN conveyor belts are commonly used in industries requiring robust material handling, such as mining, agriculture, and manufacturing. Other belt types may be more suited to different applications based on their specific characteristics.
Overall, the specific features of NN conveyor belts make them a popular choice for demanding conveying tasks where strength, durability, and reliability are key requirements.

Q: Are NN conveyor belts suitable for heavy-duty applications?

A: NN conveyor belts are widely used for medium and long-distance, heavy-duty transportation of materials. Suitable for both loose and compacted minerals.

Q: How long do NN conveyor belts typically last?

A: The service life of any conveyor belt is determined by two basic factors. Firstly, it is the overall quality of the belt, its physical properties and ability of the belt to handle both the material it is required to carry and the local working environment. The second biggest influencing factor is the type of materials being carried. In the past, the type of material was considered to be the primary influence. Regardless of which takes precedence, the inarguable fact is that both factors are inextricably linked. The reason for this is that the true cost of a conveyor belt can only ever be measured and compared based on its purchase price, fitting and cumulative repair costs divided either by its working lifespan or the tonnage carried during that time. Most belts last at least three years. If they need replacing more frequently either there's something wrong with how the system was designed, there are serious issues with the system, or the belt is wrong for the application. Some users can get 10 years of service from their conveyor belts, which shows that longer life is possible. However, this depends on how intensively the belt is used.

Q: How hard is the belt working?

A: The largest factor in conveyor belt lifespan is its length. This is because most wear occurs at the loading point when material falls onto the belt. Once the belt has accelerated the material to the forward velocity of the belt, there's no relative motion, so no wear.
On a short run, any given spot on the belt will experience the impact of loading more frequently than if the conveyor is much longer. Thus it's fair to say that longer belts will almost certainly last longer, (providing there are no alignment or other issues.)

Q: Are NN conveyor belts resistant to oil and chemicals?

A: NN conveyor belts are generally known for their moderate resistance to oil and chemicals. The nylon fabric layers provide some level of protection against oil and certain chemicals, but it is essential to check the specific properties and resistance capabilities of the belt based on the intended use and the types of oils and chemicals it will come into contact with.
For applications where stronger resistance to oil and chemicals is required, it may be advisable to consider specialty conveyor belts designed with specific materials or coatings that offer enhanced resistance to these substances. These specialty belts are engineered to withstand harsher environments and can provide better protection against oil and chemical exposure.

Q: What are the standard sizes available for NN conveyor belts?

A: The size of the conventional standard transportation bandwidth (millimeter) of different thicknesses of production (millimeter): 500, 600, 650, 800, 1000, 1200, 1400, 1600, 1800, 2000. The transmission bearing capacity of the 800 mm width rubber belt is about 140 tons per hour, and the velocity is 45 meters per minute.

Q: How do you maintain and clean NN conveyor belts?

A: Clean-in-place (CIP) is a more efficient method of cleaning conveyor belts and other systems compared to manual cleaning, as it requires significantly less downtime. CIP is often the preferred solution since it uses chemicals and water to remove debris from within the system without dismantling the conveyor.

Q: Can NN conveyor belts be customized for specific applications?

A: Yes, NN conveyor belts can be customized for specific applications. Manufacturers often offer customization options such as belt material selection, width, length, thickness, and special coatings based on the requirements of the application. Customization ensures that the NN conveyor belt meets the specific needs of different industries and operating conditions.

Q: Are NN conveyor belts suitable for high-temperature environments?

A: NN conveyor belts are generally not recommended for high-temperature environments. The materials used in NN conveyor belts, typically nylon and nylon, may not withstand extreme heat. For high-temperature applications, belts made of materials like PTFE (Teflon) or silicone are more suitable due to their heat-resistant properties. It is important to consider the temperature requirements of the application when selecting a conveyor belt to ensure optimal performance and longevity.

Q: How do you troubleshoot common issues with NN conveyor belts?

A: Check to ensure the end pulleys are square
Sometimes, the wrong pulleys are used to track or adjust the belt. This is a common problem when the conveyor utilizes a center drive and tracking configuration. Start by checking to ensure that every pulley is properly aligned with the conveyor frame. Only use snub rollers and idlers to make tracking adjustments. If at all possible, avoid using the drive roller for tracking adjustment.
Check to ensure the conveyor belt has been cut straight
Unfortunately, not all belts we receive are cut and shipped perfectly. When a belt is slit incorrectly, this can put an arc or curve into the belt, which will result in a mistracking condition. If the belt is not aligned correctly during the joining process (laced or made endless), this too can cause a mistracking condition. If you suspect this is the case, remove the conveyor belt from the conveyor, lay it out on a table or floor, and see if you notice an arc or curve in the belt.

Q: What are the belt tracking mechanisms used with NN conveyor belts?

A: The overwhelming consensus as to the proper way to track a conveyor belt is by using trapezoidal crowned pulleys. A trapezoidal crown pulley has a cylindrical center portion and is tapered at the sides.

Q: Are there specific safety considerations when working with NN conveyor belts?

A: Yes, there are specific safety considerations when working with NN conveyor belts. Some common safety guidelines include:
Proper training for operators on the safe operation of the conveyor system.
Regular maintenance checks to ensure the conveyor belt is in good working condition.
Use of appropriate guarding to prevent access to moving parts.
Proper lockout/tagout procedures during maintenance and repair work.
Adequate lighting and signage to improve visibility around the conveyor system.
Regular inspection of the belt for wear, damage, and tracking issues.
Avoiding loose clothing or accessories that could get caught in the conveyor system.
Proper handling of materials to prevent overloading or spillage.

Q: What are the key differences between NN conveyor belts and EP conveyor belts?

A: EP belt is the combination of Polyester in warp and Nylon in weft. EP belt provides far much lower elongation than NN belt and it can also be used for special purposes.

Q: How do you determine the best width for an NN conveyor belt?

A: To determine the best width for an NN conveyor belt, you should consider the following factors:
Capacity Requirement: Calculate the maximum load the conveyor belt will need to carry and choose a width that can accommodate this capacity.
Conveyor Frame: Ensure that the conveyor frame can support the chosen belt width without any issues or obstructions.
Material Size: Consider the size and shape of the materials being transported on the conveyor belt to determine the appropriate width.
Application: Take into account the specific application of the conveyor system and any requirements that may impact the belt width.
Space Constraints: Consider the available space where the conveyor system will be installed to ensure the chosen width fits within the allocated area.
Manufacturer Recommendations: Consult with the conveyor belt manufacturer for recommendations on the appropriate belt width based on your specific requirements.

Q: Are there specialized coatings available for NN conveyor belts to enhance performance?

A: Yes, there are specialized coatings available for NN conveyor belts to enhance their performance in specific applications. Some common coatings used include:
Anti-static coating: Reduces static build-up on the belt surface, which is important in industries sensitive to static electricity, such as electronics or explosive materials handling.
Oil-resistant coating: Provides resistance to oils and greases, making the belt suitable for industries where oil contamination is a concern, such as automotive manufacturing or food processing.
Chemical-resistant coating: Protects the belt from damage caused by exposure to various chemicals, acids, or solvents commonly found in chemical processing plants or laboratories.
UV-resistant coating: Helps prevent degradation of the belt due to prolonged exposure to ultraviolet (UV) rays, making it suitable for outdoor applications.
These specialized coatings can prolong the life of NN conveyor belts and improve their performance in specific environmental conditions or applications.

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