Description
Definition and Structure
• Definition: A circular conveyor belt is a flat conveyor belt that is made into a circular shape after production through vulcanization joints or other methods. It can also be directly made into a seamless circular conveyor belt during the production process.
• Structure: The belt core is generally made of high-quality all-cotton, cotton-viscose blended canvas or nylon, EP polyester, NN, EE, etc. fabrics. The number of layers is usually 2-8 layers. It also includes top cover rubber and bottom cover rubber. Some special wear-resistant circular sidewall conveyor belts also have a transverse rigid layer.
Features
• Stable operation: The belt core has no joints or the joint strength can reach 90% of the strength of the belt body, the surface has no obvious joint defects, the tension is uniform, the operation is stable, and the elongation at break is small.
• Strong conveying capacity: It can achieve large inclination angles, even 90° conveying, large conveying capacity, and can prevent material scattering. It can smoothly transition and change conveying between horizontal and inclined angles.
• Wide range of applications: According to customer needs, various types such as ordinary type, heat-resistant type (≤180℃), cold-resistant type (no lower than -40℃), acid and alkali-resistant type, high-temperature resistant type (no higher than 200℃), and sanitary type can be produced, suitable for different working environments.
• Strong customizability: According to different conveying needs, such as conveying distance, conveying capacity, material properties, etc., circular conveyor belts with different specifications and different performances can be customized to meet the requirements of various special working conditions.
Working Principle
The motor drives the drive roller through a reducer, and friction is generated between the roller and the conveyor belt, causing the circular conveyor belt to move continuously. The material is transported to the unloading point by friction with the conveyor belt.
Joint Methods
• Directly vulcanized into a circular belt: The conveyor belt is directly vulcanized into a circular shape during the production process, with good integrity and high joint strength.
• Leave raw ends during vulcanization: During use, the joint is vulcanized by heating and pressing according to requirements, which can flexibly adjust the joint position and time.
• On-site bonding with adhesive: The operation is relatively simple, but the requirements for adhesive performance are high.
Uses
• Industrial production: In mining, metallurgy, construction, and other industries, it is used to convey bulk materials such as ore, coal, and sand and gravel; in machinery manufacturing, automobile production, and other factories, it is used for assembly and handling of parts, which can realize automated production processes and improve production efficiency.
• Logistics transportation: In ports and docks, it is used for loading and unloading and transshipment of goods, such as transporting containers from cargo ships to dock yards; in warehouses and logistics centers, it is used for sorting and conveying goods, connecting different work areas, and realizing rapid flow of goods.
• Agricultural field: In grain processing plants, it is used for conveying and processing grains such as wheat and rice; in farms, it is used for conveying feed and manure.
• Commercial field: In the automatic shelf system of supermarkets and shopping malls, it is used for replenishment and display of goods; in the baggage handling system of airports, it is used for conveying and sorting baggage, ensuring that passenger baggage can accurately and quickly reach its destination.
• Food and pharmaceutical industry: In food production enterprises, it is used for packaging and conveying food such as candy and beverages; in pharmaceutical production enterprises, it is used for packaging and conveying medicines and handling raw materials. Sanitary circular conveyor belts can meet the strict requirements of the food and pharmaceutical industries for hygiene and safety.
Precautions for Use
Avoid covering the rollers with materials, prevent the conveyor belt from starting under load, correct deviations in time, repair local damage, and avoid the conveyor belt from being blocked.
Cover Rubber Quality/Grade Standard Performance Parameters
| German Standard DIN-22102 | ||||||
| Grade | Tensile Strength ≥Ma | Elongation at Break ≥M% | Abrasion ≥mm 3 | Bond Strength between Layers (N/mm) | Bond Strength between Cover and Layer (/mm) | |
| Cover Thickness 0.8~1.5mm | Cover Thickness >1.5mm | |||||
| W | 18 | 400 | 90 | ≥5 | 3.5 | 4.5 |
| X | 25 | 450 | 120 | |||
| Y | 20 | 400 | 150 | |||
| Z | 15 | 350 | 250 | |||
| British Standard BS 490 | ||||||
| Grade | Tensile Strength ≥Ma | Elongation at Break ≥M% | Abrasion ≥mm 3 | Bond Strength between Layers (N/mm) | Bond Strength between Cover and Layer (/mm) | |
| Cover Thickness 0.8~1.5mm | Cover Thickness >1.5mm | |||||
| M | 24 | 450 | - | ≥5.25 | 3.15 | 4.5 |
| N | 17 | 400 | - | |||
| Australian Standard AS 1332-2000 | ||||||
| Grade | Tensile Strength ≥Ma | Elongation at Break ≥M% | Abrasion ≥mm 3 | Bond Strength between Layers (N/mm) | Bond Strength between Cover and Layer (/mm) | |
| Cover Thickness 0.8~1.5mm | Cover Thickness >1.5mm | |||||
| A | 17 | 400 | 70 | 6 | 4 | 4.8 |
| E | 14 | 300 | - | |||
| F | 14 | 300 | - | |||
| M | 24 | 450 | 125 | |||
| N | 17 | 400 | 200 | |||
| S | 14 | 300 | 250 | |||
| S* | 12 | 300 | 250 | |||
| South African SANS 1173:2005 | ||||||
| Grade | Tensile Strength ≥Ma | Elongation at Break ≥M% | Abrasion ≥mm 3 | Bond Strength between Layers (N/mm) | ||
| Bond Strength between Cover and Layer (N/mm) | ||||||
| A | 18 | 400 | 90 | ≥7 | ≥5 | |
| X | 25 | 450 | 120 | |||
| M | 24 | 450 | 150 | |||
| N | 20 | 400 | 250 | |||
Specifications and Technical Parameters of Multi-layer Fabric Core Conveyor Belts
| Fabric Type | Fabric Structure | Fabric Model | Rubber Belt Thickness (mm/p) | Strength Series (N/mm) | Cover Rubber Thickness | Width Range (mm) | ||||||
| Warp | Weft | 2 layers | 3 layers | 4 layers | 5 layers | 6 layers | Upper cover layer | Lower cover layer | ||||
|
Nylon EP Polyester NN EE |
Nylon | Nylon | Nylon, EP Polyester, NN, EE-100 | 1.00 | 200 | 300 | 400 | 500 | 600 | 0-12 | 0-10 | 300-2500 |
| Nylon, EP Polyester, NN, EE-125 | 1.05 | 250 | 375 | 500 | 625 | 750 | ||||||
| Nylon, EP Polyester, NN, EE-150 | 1.10 | 300 | 450 | 600 | 750 | 900 | ||||||
| Nylon, EP Polyester, NN, EE-200 | 1.20 | 400 | 600 | 800 | 1000 | 1200 | ||||||
| Nylon, EP Polyester, NN, EE-250 | 1.40 | 500 | 750 | 1000 | 1250 | 1500 | ||||||
| Nylon, EP Polyester, NN, EE-300 | 1.60 | 600 | 900 | 1200 | 1500 | 1800 | ||||||
Bond strength and elongation performance meet the following table
| Bond strength, elongation performance | |||||
| Belt core material | Bond strength | Elongation performance | |||
| Between layers N/mm | Between cover and layer N/mm | Full thickness longitudinal breaking elongation | Full thickness longitudinal reference force elongation | ||
| Cover layer thickness ≤1.5mm | Cover layer thickness ≥1.5mm | ||||
| Polyester canvas | ≥5 | ≥4.5 | ≥5 | ≥10% | ≤4%6 |
The covering performance of the tape meets the following table
| China GB/T7984-2013 GB/T 32457-2015 Tape cover layer performance | |||||
| Cover layer level | Tensile strength | Elongation at break | Abrasion loss | Change rate of tensile strength and elongation at break after aging | |
| Mpa | Kgf/cm2 | % | mm 3 | % | |
| H | ≥24 | ≥240 | ≥450 | ≤120 | -25~ +25 |
| D | ≥18 | 180 | ≥400 | ≤100 | -25~ +25 |
| L | ≥15 | 150 | ≥350 | ≤200 | -25~ +25 |
The enterprise has ensured the accuracy requirements of the products, making the rotation resistance, dust and water resistance, corrosion resistance, and energy-saving performance higher than the national standard. The service life of the product can reach more than 15,000 hours, with a damage rate of no more than 5%. The product quality is stable, enabling continuous and efficient professional production. A manufacturing system with advanced technology, first-class equipment, and a complete structure has been formed. The company is now mainly engaged in the manufacturing of conveyor machines, idlers, rollers, supports, and conveyor belts.
Customized Process
Order Notes
To meet diverse industry needs, our products are categorized into multiple specifications based on material handling requirements and operational environments:Standard, Heat-Resistant, Acid/Alkali-Resistant, Oil-Resistant, Cold-Resistant, and Flame-Retardant types.
Goods will be strictly tested before delivery, please check carefully after receiving the goods, if there is any problem, please contact us in time.
Online communication
Provide custom drawings
Merchant quotation
Sign a contract
Processing and production
Packaging and distribution
Confirm receipt of goods
Successful transaction
Can you accept small quantities?
Yes, we accept small batches and offer fast delivery.
Do you have a pre-shipment inspection procedure?
Yes, we always test the product before delivery.
Can I take a sample for testing?
Yes, samples can be sent for testing before placing a bulk order.
When is the delivery time?
Inventory orders are fulfilled within 7 to 15 days; for OEM and ODM orders, the exact timeline depends on the specific situation.
What are the payment terms?
Wire transfer or letter of credit, Western Union, Alipay, and more.
What is the minimum order quantity?
It depends on the product.
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Specializing in the production of various conveyor belts, conveying machinery, and accessories, the company is committed to delivering efficient and reliable material handling solutions to global customers.
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South of Zhongke Road, East District, Economic Development Zone, Boye County, Baoding City, Hebei Province, China
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