Carcass (Reinforcement): Width Range 500-3000 mm

Component Specifications

Definition

The carcass, also known as the reinforcement layer, is the internal framework of a conveyor belt, typically composed of multiple plies of fabric or steel cords embedded in rubber. It serves as the primary load-bearing element, providing the necessary tensile strength to handle the belt's tension, impact resistance to absorb material loading forces, and dimensional stability to maintain proper tracking and alignment under varying operational conditions. In boom conveyor belts, this component is critical for supporting heavy loads over extended distances while resisting elongation and deformation.

Working Principle

The carcass functions by distributing tensile forces evenly across its plies or cords when the belt is under tension from the drive system and loaded with materials. It resists stretching and maintains the belt's shape, allowing it to carry loads without excessive sagging or tearing. The reinforcement materials (fabric or steel) provide high strength-to-weight ratios, while the rubber matrix protects them from wear, moisture, and environmental factors, ensuring durability and consistent performance.

Materials

Typically made from multiple plies of polyester (EP) or nylon (NN) fabric, or steel cords, embedded in synthetic rubber (e.g., SBR, NR). For heavy-duty applications like boom conveyors, steel cord reinforcement is common due to its high tensile strength and low elongation.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Ply Count	2-6 plies (fabric) or 1 layer (steel cord)
Thickness	3-15 mm
Width Range	500-3000 mm
Tensile Strength	1000-5000 N/mm
Elongation At Break	1-3% for steel cord, 10-25% for fabric
Operating Temperature	-30°C to +100°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 15236, DIN 22102, ISO 283

Parent Products

This component is used in the following industrial products

Boom Conveyor Belt

The conveyor belt mounted on the boom structure of a ship loader, responsible for transporting bulk materials from the shore to the ship's hold.

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Engineering Analysis

Risks & Mitigation

Ply separation due to poor bonding
Steel cord corrosion in humid environments
Over-tension leading to premature failure
Impact damage from heavy or sharp materials

FMEA Triads

Trigger: Inadequate adhesive between plies or cords
Failure: Delamination or separation of reinforcement layers
Mitigation: Use high-quality bonding agents and strict quality control during manufacturing; regular inspection for signs of separation.

Trigger: Exposure to moisture or corrosive chemicals
Failure: Corrosion of steel cords or degradation of fabric fibers
Mitigation: Apply protective rubber coatings; use corrosion-resistant materials; implement environmental controls in storage and operation.

Trigger: Excessive tension or shock loading
Failure: Carcass rupture or permanent elongation
Mitigation: Design belts with appropriate safety factors; install tension monitoring systems; train operators on proper loading techniques.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Tensile strength tolerance ±5%, thickness tolerance ±0.5 mm, width tolerance ±10 mm as per ISO 15236 and DIN 22102

Test Method

Tensile testing per ISO 283, adhesion testing per ISO 36, elongation testing per ISO 9856, and visual inspection for defects

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Carcass (Reinforcement)

Manufacturer profiles associated with Carcass (Reinforcement).

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between fabric and steel cord carcass in conveyor belts?

Fabric carcass uses multiple plies of polyester or nylon for flexibility and moderate strength, suitable for general use. Steel cord carcass employs steel cables for high tensile strength and low elongation, ideal for long-distance or heavy-load applications like boom conveyors.

How does the carcass affect conveyor belt performance?

The carcass determines the belt's tensile strength, impact resistance, and dimensional stability. A properly designed carcass ensures efficient load carrying, minimal stretching, and reduced maintenance, critical for boom conveyor operations in mining or construction.

What standards apply to conveyor belt carcass construction?

Key standards include ISO 15236 for steel cord belts, DIN 22102 for fabric ply belts, and ISO 283 for tensile testing, ensuring safety, durability, and performance in industrial settings.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Carcass (Reinforcement)