In today’s competitive building wire and low-voltage cable market, manufacturers face constant pressure to increase output, maintain strict insulation quality, and meet tight delivery schedules while complying with international standards. The خط إنتاج أسلاك البناء بالبثق is purpose-built to address these challenges.
Available in two optimized series — RLBEH High-Speed Series for small cross-section conductors and RLBEW Series for medium to large power cables — these lines excel at extruding high-performance thermoplastic compounds including PVC, PE, XLPE, and Low Smoke Halogen-Free (LSHF/HFFR) materials. The result is cables with excellent electrical properties, smooth surface finish, uniform wall thickness, and high concentricity — all produced with minimal scrap and maximum operational efficiency.
Whether you are producing standard residential building wires or premium nylon-jacketed THHN/THWN conductors for demanding commercial and industrial applications, RLB delivers reliable, data-driven performance backed by decades of cable machinery expertise.
Core Technology & Engineering Advantages of This Wire Extrusion Line
- Wide Material Versatility: Optimized screw geometry and multi-zone temperature control ensure excellent melt homogeneity and minimal degradation when processing PVC, PE, XLPE, or LSHF compounds — ideal for both cost-effective PVC building wires and high-performance XLPE/LSHF cables.
- Flexible Co-Extrusion Options: Single or tandem co-extruders for color skin/striping layers or Nylon (PA) outer jacketing — the preferred solution for premium THHN/THWN production. The nylon jacket provides superior abrasion resistance, easier conduit pulling, and enhanced chemical protection.
- Intelligent Automation & Control: Mitsubishi PLC + MMI system with real-time laser diameter feedback and closed-loop adjustment guarantees consistent insulation thickness, high repeatability, and full traceability.
- Complete Turnkey Configuration: Includes automatic material feeding, granule dryers, color masterbatch metering, high-precision crossheads, spark testers, diameter gauges, printers, and seamless integration with downstream coiling, taping, and shrink-wrapping machines.
- Factory-Wide Automation Ready: Full vacuum conveying and central feeding systems for raw materials, enabling fully automated plant-wide production with reduced labor and higher efficiency.
The result is cables with superior electrical properties, smooth surface finish, and repeatable quality — fully compliant with IEC, UL, GB, and other major standards.
How a Building Wire Extrusion Line Works (Process Flow)
- Pay-Off & Tension Control — Bare copper or aluminum conductors are unwound smoothly with automatic tension regulation (dancer or accumulator) to prevent breaks or stretching.
- Optional Preheater — Improves polymer adhesion to the metal conductor.
- Extrusion & Crosshead — Polymer is melted and precisely applied around the conductor via a fixed-center or self-centering crosshead for optimal concentricity.
- Cooling Trough — Multi-stage water baths with precise temperature control solidify the insulation without bubbles, voids, or deformation.
- Capstan / Haul-Off — Servo-controlled capstan maintains exact line speed and tension for uniform dimensions.
- In-Line Quality & Marking — Laser diameter gauge provides closed-loop feedback; high-frequency spark tester detects pinholes; printer applies permanent identification.
- Take-Up — Automatic dual-reel or coiling systems wind finished wire neatly for packaging and downstream processes.
This integrated flow ensures repeatable quality at high speeds while minimizing manual intervention.
المواصفات الفنية
RLBEH High-Speed Series (Small Cross-Section Building Wires)
| نموذج | Cross Section (mm²) | Finished Diameter (mm) | السرعة القصوى للخط (متر/دقيقة) |
|---|
| RLBEH-75 | 1.5 – 6 | 6 | 600 |
| RLBEH-90 | 1.5 – 10 | 8 | 800 |
| RLBEH-100 | 1.5 – 16 | 10 | 900 |
| RLBEH-120 | 1.5 – 16 | 14 | 1200 |
RLBEW Series (Medium & Large Cross-Section Cables)
| نموذج | Cross Section (mm²) | Finished Diameter (mm) | السرعة القصوى للخط (متر/دقيقة) |
|---|
| RLBEW-90 | 10 – 50 | 15 | 100 |
| RLBEW-100 | 10 – 70 | 20 | 150 |
| RLBEW-120 | 16 – 150 | 25 | 250 |
| RLBEW-150 | 25 – 240 | 30 | 350 |
Note: Actual achievable speed depends on conductor material, insulation type/thickness, and cooling configuration. Custom configurations and higher-performance options available upon request.
Primary Applications in Building Wire & Low-Voltage Cable Industry
- Building & Installation Wires: BV, BVV, NYY, H07V-U/R, THHN/THWN, and other single/multi-core cables
- Power & Control Cables up to 240 mm²
- Flame-Retardant & Low-Smoke Halogen-Free Cables for public buildings and infrastructure
- Nylon-Jacketed THHN/THWN Conductors for conduit and industrial wiring
هذا building wire extrusion line is the smart choice for manufacturers seeking consistent, high-quality output with minimal scrap and maximum ROI.
Why Partner with RLB for Your Building Wire Extrusion Needs?
As a specialized مورد آلات الكابلات والأسلاك with extensive turnkey project experience, RLB focuses on delivering not just equipment, but complete technical solutions that drive long-term productivity and quality. Our lines are designed for reliability, ease of operation, and future expansion. We provide layout design, installation supervision, operator training, spare parts support, and ongoing technical partnership — the foundation of lasting cooperation with manufacturers worldwide.
مصمم لتحقيق الموثوقية والكفاءة والشراكة طويلة الأمد
صُنع بواسطة RLB (شركة جيانغسو للصناعة الموثوقة المحدودة) — an experienced مورد آلات الكابلات والأسلاك with proven turnkey expertise — every component is built for 24/7 continuous operation. Compared to standard lines, the RLB wire extrusion lines deliver:
- Up to 1200 m/min speeds on small sections
- Superior material utilization and reduced waste
- Full automation options that cut labor costs significantly
- Repeatable quality that meets strict UL/IEC requirements
Whether you produce standard PVC building wires or premium XLPE/LSHF/THHN cables, this cable and wire turnkey solution provides the performance, flexibility, and long-term reliability modern cable producers demand.
Ready to boost your building wire production capacity?
استفسر الآن for technical quotation, custom configuration, layout design, or factory visit. Our engineering team offers full turnkey solutions, installation support, operator training, and ongoing technical partnership.
التعليمات
What materials can the RLB building wire extrusion line process?
PVC, PE, XLPE, and LSHF/HFFR compounds, with optional co-extrusion for color skin/striping or Nylon (PA) jacketing.
What is the maximum production speed?
Up to 1200 m/min on small cross-section wires (RLBEH series) and up to 350 m/min on larger sections (RLBEW series), depending on product and configuration.
Does RLB offer complete turnkey solutions?
Yes — from raw material handling and extrusion through cooling, testing, marking, and take-up, plus integration with downstream packaging equipment and factory automation systems.
What quality control features are included?
Closed-loop laser diameter control, high-frequency spark testing, precise crosshead design for excellent concentricity, and full process data logging via PLC/HMI.
Which international standards do these lines support?
Lines are engineered to help customers meet requirements of IEC, UL, GB/T, BS, VDE, and other major building wire and low-voltage cable standards.
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