Fabric Conveyor Belts

Among the various types of conveyor belts available, fabric conveyor belts have carved a niche for themselves, particularly in handling heavy-duty and abrasive materials. Known for their durability and resilience, these belts are designed to withstand the rigors of transporting rough and rugged materials like ores, rocks, and other abrasive substances. Fabric belt conveyors are a testament to engineering innovation, offering an effective solution for industries that demand robust material handling capabilities.

The uniqueness of fabric conveyor belts lies in their construction. Made from layers of specially treated synthetic fabrics, these belts offer a perfect blend of flexibility and strength. The use of materials like polyester and polyamide in the warp and weft of the belt respectively, contributes to their high tensile strength and exceptional troughing characteristics. This design not only ensures the belt’s longevity but also its capability to handle the stress of heavy loads and abrasive materials without significant wear and tear.

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What is a Fabric Conveyor Belt?

Fabric belt conveyors are essential equipment in modern industry, using strong, flexible belts made of bonded or stitched synthetic fiber layers to efficiently transport goods.

Basic structure and specifications

织物芯输送带基本结构及规格

The core of a fabric belt conveyor design lies in its layered construction. These layers typically include a top cover, a carcass made of fabric layers, and a bottom cover. The carcass is the main strength and load-bearing portion of the conveyor belt and is made of multiple layers of fabric, such as polyester and nylon, which enhance the strength and durability of the conveyor belt. Fabric conveyor belt specifications typically outline the dimensions of the conveyor belt, its material composition, tensile strength, and other key parameters that determine its suitability for a variety of applications.

Types of Fibers Used

Types of Fibers Used

The fiber selection for fabric conveyor belts is critical to their performance. Polyester and polyamide are the most commonly used fibers in these conveyor belts. Polyester has high strength, low stretch, and excellent water and mildew resistance, making it an ideal choice for fabric warp yarns (the longitudinal yarns in the fabric). Polyamides are known for their high impact and abrasion resistance and are typically used for weft yarns (the transverse yarns). The combination of these fibers in fabric conveyor belts ensures a balance of strength, flexibility, and durability for a wide range of industrial applications.

Advantages of Fabric Conveyor Belts

Cost-Effectiveness

One of the primary advantages of fabric belt conveyor is their cost-effectiveness, especially for shorter distances and lower capacities. When the transportation needs do not involve extremely long distances or excessively heavy loads, fabric conveyor belts provide an efficient and economical solution. The initial cost, installation, maintenance, and repair expenses are generally lower for fabric belts compared to heavier-duty options like steel cord conveyor belts. This cost-effectiveness makes fabric conveyor belts a practical choice for many businesses looking to optimize their operations while controlling expenses.

High Tensile Strength-to-Weight Ratio and Flexibility

Fabric conveyor belts feature a high tensile strength-to-weight ratio, crucial for their flexibility and performance, offering strong yet lightweight efficiency in conveyor systems. The flexibility of fabric conveyor belts allows for easier handling, installation, and adaptation to different conveyor configurations and pathways. This flexibility also contributes to the belt’s ability to form troughs easily, enhancing its capacity to carry materials securely.

Superior Troughing Properties and Resistance to Impact and Chemicals

The troughing properties of fabric conveyor belts are superior due to their flexible yet strong structure. This ability to form a trough shape effectively contains and transports a variety of materials, minimizing spillage and increasing the efficiency of material transfer. Additionally, the structure and materials used in fabric conveyor belts provide significant resistance to impact and chemicals.

The fabric belt conveyor specification often includes details on the belt’s ability to withstand different types of environmental stressors, such as exposure to harsh chemicals or abrasive materials. This resistance is crucial in industries where conveyor belts are exposed to challenging conditions.

Comparison with Steel Cord Conveyor Belts

FeatureFabric Conveyor BeltsSteel Cord Conveyor Belts
Suitable ApplicationsBetter suited for shorter distances and less intensive load-bearingIdeal for long-distance, high-load conveying tasks
ConstructionMultiple layers of fabric materialsIncorporate steel cables running lengthwise
Tensile StrengthModerate tensile strengthVery high tensile strength
ElongationHigher elongation than steel cord beltsLow elongation due to steel cables
FlexibilityHigher flexibility, can easily adapt to different conveyor pathsLess flexible compared to fabric belts
Repair and SplicingEasier to splice and repairMore challenging and time-consuming to splice and repair
Load-Bearing CapacitySuitable for less intensive load-bearing applicationsDesigned to handle extremely heavy loads
Practicality for IndustriesMore practical for industries that don’t require heavy-duty conveyingPreferred in industries with heavy-duty, long-distance needs

Key Features of Fabric Conveyor Belts

Cover Grades

Fabric conveyor belts are available in different resistance types to suit the challenging conditions they might encounter. These include:

Wear-resistant: Essential for belts handling abrasive materials. These belts can withstand constant wear and tear, prolonging their lifespan. Heat-resistant: Designed for transporting materials at high temperatures, such as in foundries or steel mills. These belts can resist degradation at elevated temperatures. Flame-resistant: Crucial for applications in environments where there’s a risk of fire or explosion. These belts are treated to be self-extinguishing.

The specification of resistance types in the fabric conveyor belt specification allows users to select a belt that best fits their operational environment, ensuring safety and longevity of the belt.

fabric conveyor belt3

Reinforcement Properties

Reinforcement is a key feature of fabric belt conveyors, involving the use of fabrics like polyester, nylon, or a blend of both to provide strength and stability. The reinforcement properties include:

Low Elongation: This ensures that the belt stretches minimally under load, maintaining consistent length and tension in operation.

Good Adhesion to Rubber: The fabric layers effectively bond with the rubber or synthetic cover, providing integral strength and preventing layers from separating under stress.

The reinforcement properties ensure that the belt can withstand the mechanical stresses of load-bearing and motion, while maintaining its structural integrity over time.

Products of Fabric Conveyor Belt

Steel Cord Rubber Conveyor Belts                                                Textile Conveyor Belts

              steel cord rubber conveyor belts                                                                                           Textile Conveyor Belts

It is perfect for elevated tensile, long distance and large rows.                                        Fabric conveyor belts are also called textile conveyor belts.

How to Choose the Right Belt for Your Application?

Choosing the right fabric conveyor belt is vital for operational efficiency, safety, and cost-effectiveness, requiring knowledge of specifications, manufacturers’ roles, and available fabric types.

Assessing Operational Requirements

Load and Material Type: Consider the nature of the materials being transported (e.g., abrasive, corrosive, heavy). This will influence the choice of belt material and design. Conveying Distance and Speed: Shorter conveying systems may be well-served by standard fabric conveyor belts, while longer or faster systems may require specialized belts. Environmental Condition: Factors like temperature, exposure to chemicals, and moisture can affect belt performance.

Matching Belt Properties to Industry Needs

Mining Industry: Belts used in mining need to be robust, abrasion-resistant, and capable of handling heavy loads. Fabric conveyor belts with reinforced materials and specialized cover grades are often suitable.

Construction Industry: Belts in construction may require flexibility and resistance to wear and tear from rough materials.

Food Industry: Belts here need to comply with hygiene standards, necessitating easy-to-clean and possibly anti-microbial materials.

Each industry has unique demands that must be matched with the right conveyor belt fabric types to ensure optimal performance and safety.

Understanding Fabric Conveyor Belt Specification

Fabric Conveyor Belt Specification

Strength and Durability: Specifications will detail the belt’s tensile strength, resistance to tearing, and expected lifespan. Dimensional Specifications: Belt width, thickness, and length must align with your system’s requirements. Special Features: Some belts have specific features like rip resistance, low noise, or energy efficiency that might be crucial for your application.

Consulting with Conveyor Belt Fabric Manufacturers

Expert Advice: Gram can provide valuable insights into the most suitable belt types for different applications. They often have data and case studies to guide your choice. Custom Solutions: We offer custom-designed belts tailored to specific operational needs.

Sustainability Considerations

Reducing Waste: Choosing a durable, high-quality belt can minimize replacement frequency, thus reducing waste. Energy Efficiency: Some fabric conveyor belts are designed to reduce energy consumption, which not only cuts costs but also supports sustainability targets. Recyclability: Consider belts made from recyclable materials to further enhance environmental responsibility.

fabric conveyor belt5

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    FAQs about Fabric Conveyor Belt

    A conveyor cord refers to the steel cords used in the construction of steel cord conveyor belts. These cords provide the belt with tensile strength, making it capable of carrying heavy loads over long distances with minimal elongation.

    The main difference between fabric and steel cord belts lies in their construction and strength. Fabric belts are made with layers of fabric and rubber, suitable for lighter loads and shorter distances. Steel cord belts, constructed with longitudinal steel cords for reinforcement, are designed for heavier loads, longer distances, and higher tensile strength. Steel cord belts also exhibit lower elongation and better resistance to impact and tearing.

    Fabric rubber belts offer several advantages, including flexibility, durability, and cost-effectiveness. They are capable of handling a variety of materials and are suitable for different conveying angles and speeds. The rubber coating provides excellent grip and resistance to wear, while the fabric layers add strength and reduce belt stretch.

    Conveyor belts can be made of neoprene, especially in applications where oil, chemical, and heat resistance are required. Neoprene belts are durable, flexible, and provide good grip, making them suitable for various conveying applications. However, not all conveyor belts are made of neoprene; the material choice depends on the specific requirements of the conveyor system.

    Conveyor belt dressing is a product applied to conveyor belts to improve grip, reduce slippage, and extend the life of the belt. It can be a spray, liquid, or gel and is typically used on belts made of rubber or fabric. Belt dressing helps maintain the belt’s performance, especially in challenging conditions or with heavy loads.

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