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STEEL CORD CONVEYOR BELT VULCANIZATIONPRODUCTION LINE
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Product Description
Steel Cord Conveyor Belt Vulcanization Production Line: Precision Engineering for Heavy-Duty Conveyor Solutions
In the global bulk material handling industry—spanning mining, cement, ports, and power generation—steel cord conveyor belts stand out for their exceptional tensile strength and durability. At the core of manufacturing high-performance steel cord conveyor belts lies theSteel Cord Conveyor Belt Vulcanization Production Line—a fully integrated, automated system designed to bond steel cords with rubber matrices through controlled heat and pressure, delivering belts that meet the most rigorous industrial demands.
Core Function & Working Principle ：
The production line’s primary mission is to transform raw materials (steel cord bundles, rubber sheets, buffer layers) into finished steel cord conveyor belts via the vulcanization process—a critical step that cross-links rubber molecules and fuses them with steel cords, creating a unified structure resistant to tension, abrasion, and environmental stress.
Its workflow follows a precise, automated sequence:
1. Steel Cord Arrangement: Automated cord pay-off units unwind and align steel cords (typically 1.5–5mm in diameter) in parallel, with tension controllers ensuring uniform spacing (adjustable per belt width: 600mm–3200mm) to guarantee consistent tensile strength.
2. Rubber Lamination: Precision rubber calenders feed top/bottom cover rubber sheets (10–30mm thick, customizable for hardness: 60–85 Shore A) and buffer rubber layers onto the aligned steel cords, forming a “belt blank” with no air gaps.
3. Continuous Vulcanization: The belt blank enters a **multi-zone vulcanizing press** (heated by steam or thermal oil, temperature: 150–180℃, pressure: 1.8–2.5MPa). Inside, endless press rolls or platen systems apply uniform heat and pressure, with PLC-controlled timers (15–45 minutes, based on belt thickness) ensuring full rubber cross-linking.
4. Cooling & Trimming: Post-vulcanization, the belt passes through a water-cooling tunnel to stabilize its structure, followed by automated edge trimmers and width cutters to achieve exact dimensions.
5. Quality Inspection: In-line sensors check belt thickness, steel cord embedding depth, and rubber bonding integrity; a final pull-test station verifies tensile strength (up to 5000N/mm, meeting ISO 15236 standards).
Key Technical Advantages ：
What sets this production line apart is its blend of automation, precision, and adaptability—tailored to meet the diverse needs of heavy-industry clients:
1. High Automation for Consistency：
● Automated tension control, temperature monitoring, and pressure regulation minimize human error, ensuring every belt batch meets uniform quality standards (defect rate < 0.1%).
● Integrated material handling robots streamline rubber sheet feeding and finished belt stacking, cutting labor costs and improving workflow efficiency.
2. Customization for Versatile Applications：
● Belt Specification Flexibility: Supports production of steel cord conveyor belts with widths from 600mm to 3200mm, thicknesses from 15mm to 60mm, and tensile strengths from 1000N/mm to 5000N/mm—ideal for light-duty (cement transport) to ultra-heavy-duty (coal mining, ore haulage) scenarios.
● Rubber Compatibility: Compatible with EPDM, SBR, and NR rubber compounds, allowing clients to optimize belts for specific environments (e.g., oil-resistant rubber for petrochemical plants, flame-retardant rubber for underground mining).
3. Energy Efficiency & Durability：
● Heat Recovery System: Captures waste heat from the vulcanizing press to preheat incoming rubber sheets, reducing energy consumption by 18–22% compared to traditional lines.
● Heavy-Duty Components: Vulcanizing press rolls are made of heat-treated alloy steel (HRC 55–60) for wear resistance; rubber calenders feature chrome-plated rollers for smooth lamination—ensuring the line operates reliably for 8000+ hours annually with minimal maintenance.
4. Compliance with Global Standards ：
● All components meet international industrial benchmarks:
● Vulcanization process aligns with **ISO 15236-1 (Steel cord conveyor belts—Requirements)**
● Electrical systems comply with **IEC 60204-1 (Safety of machinery—Electrical equipment)**
● Materials are RoHS/REACH-compliant, avoiding hazardous substances for eco-friendly production.
On the move! Our Steel Cord Conveyor Belt Vulcanization Production Line is now en route to Client Location. will help a leading mining company in Southeast Asia boost Conveyor Belt production efficiency.
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Dalian Huahan Intelligent Equipment Company is world-class manufacturer and system solution provider for Steel-cord conveyor belt presses and molding equipments for rubber industry with globally development vision and environmental protection wisdom.
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