Overview: Technological Advancements in Cold Rolled Rebar Production
In modern reinforced concrete structures, high-strength cold-rolled ribbed steel bars (such as Grade CRB550 and CRB600H) have become indispensable due to their superior tensile properties, excellent bond strength with concrete, and significant steel savings. The Automated Cold Rolled Ribbed Steel Bar Processing Line engineered by Hylite integrates state-of-the-art cold reduction rolling, active rib forming, and synchronous automated cutoff/take-up mechanisms into a unified, high-throughput manufacturing line.
Key Engineering Highlights & Technological Innovations
Hylite's cold rolling rebar line is designed for 24/7 continuous industrial operation with minimal downtime:
- Precision Multi-Stand Rolling Cassettes: Equipped with premium tungsten carbide rollers that achieve rapid cross-sectional reduction while imparting precise crescent or spiral ribs according to international standards (ASTM, BS, DIN, and GB).
- Inline Intermediate Frequency Heat Treatment: Integrated online induction heating eliminates internal residual stresses, significantly enhancing elongation and seismic resistance properties without sacrificing tensile strength.
- High-Speed Flying Shear & Continuous Take-Up: Servo-driven flying shear system enables non-stop length-accurate cutting at line speeds up to 12 m/s, coupled with dual-head automatic horizontal spoolers for tangle-free layer winding.
- Intelligent PLC & Closed-Loop Tension Control: Full Siemens/Schneider automation with touch-screen HMI monitors roller gap, drawing tension, and temperature in real time, ensuring micron-level dimensional consistency.
Technical Parameters & Operational Specifications
| Technical Parameter | Specification Range |
|---|---|
| Inlet Raw Wire Rod | Low-carbon wire rod (Q195, Q215, Q235, SAE1008/1010), Φ 6.5 mm – Φ 12.0 mm |
| Finished Rebar Diameter | Φ 4.0 mm – Φ 12.0 mm (Ribbed or Indented Wire) |
| Maximum Line Speed | 300 – 720 m/min (Inverter Stepless Frequency Regulation) |
| Rib Pattern Geometry | Two-sided, three-sided crescent ribs / spiral indented ribs (Customizable) |
| Yield Strength (ReH) | ≥ 550 MPa (CRB550) / ≥ 600 MPa (CRB600H) |
| Elongation (Agt) | ≥ 5.0% – 8.0% (Post-Heat Treatment) |
| Installed Power | 90 kW – 280 kW (Depending on Line Configuration) |
Comprehensive Applications in Infrastructure
Cold-rolled ribbed steel bars produced by Hylite machinery are widely utilized across major construction sectors:
- Precast Concrete Elements: Wall panels, hollow core slabs, highway bridge girders, and precast utility tunnels.
- Reinforcing Welded Mesh: High-speed welding mesh for industrial flooring, tunneling shotcrete reinforcement, and airport runways.
- High-Rise & Commercial Construction: Cast-in-place floor slabs, shear walls, and foundation grid reinforcement.
Turnkey Manufacturing Solutions by Hylite
Hebei Hylite Machinery Co., Ltd. provides customized end-to-end plant solutions for global wire and rebar manufacturers. From factory layout planning, mechanical roll-pass design, and auxiliary descaling units to on-site commissioning and operator training, we ensure rapid ROI and superior operational efficiency. Inquire today for detailed technical proposals and factory direct pricing.
