INDUSTRY COMPONENT

Belt Carcass

The belt carcass is the structural core of a conveyor belt, providing tensile strength and load-bearing capacity for material handling.

Component Specifications

Definition
The belt carcass is the internal reinforcement structure of a conveyor belt, typically composed of multiple layers of fabric, steel cords, or synthetic fibers embedded in rubber or polymer compounds. It serves as the primary load-bearing element that withstands tensile forces, impacts, and operational stresses while maintaining belt integrity and dimensional stability across various industrial applications.
Working Principle
The belt carcass functions by distributing tensile forces evenly across its reinforced layers, preventing elongation and deformation under load. It provides the necessary rigidity to support conveyed materials while allowing flexibility for movement over pulleys and rollers. The carcass absorbs operational stresses and impacts, transferring them to the belt's edge reinforcements and ensuring consistent performance throughout the belt's service life.
Materials
Common materials include polyester (EP) fabric, nylon (NN) fabric, steel cords (ST), aramid fibers, or hybrid composites. These are embedded in rubber compounds (natural, SBR, neoprene) or thermoplastic polymers (PVC, PU) depending on application requirements.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Ply Count2-8 layers
Thickness3-25 mm
Width Range300-3000 mm
Tensile Strength100-5000 N/mm
Elongation At Break10-25%
Minimum Pulley Diameter200-1500 mm

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, ISO 283, DIN 22102, DIN 22131

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Carcass delamination under excessive tension
  • Edge damage from misalignment
  • Moisture penetration in fabric plies
  • Fatigue failure from cyclic loading
FMEA Triads
Trigger: Improper tensioning during installation
Failure: Carcass ply separation and reduced tensile strength
Mitigation: Follow manufacturer tension specifications and use proper tensioning equipment
Trigger: Material impact beyond design limits
Failure: Carcass rupture or permanent deformation
Mitigation: Install impact bars and use appropriate belt rating for material characteristics

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±2% on tensile strength, ±5% on elongation, ±1.5mm on thickness
Test Method
ISO 283 for tensile testing, ISO 7622 for steel cord adhesion, DIN 22103 for fire resistance

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 Belt Carcass

Manufacturer profiles associated with Belt Carcass.

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Frequently Asked Questions

What is the difference between fabric ply and steel cord carcass?

Fabric ply carcass uses multiple layers of synthetic fabrics (polyester/nylon) for flexibility and impact resistance, while steel cord carcass uses parallel steel cables for higher tensile strength and minimal elongation in heavy-duty applications.

How does carcass design affect conveyor belt performance?

Carcass design determines tensile strength, flexibility, impact resistance, and troughability. Proper selection ensures optimal load capacity, reduced maintenance, and extended belt life for specific material handling conditions.

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.

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