Automatic Cold Rolled Ribbed Steel Bar Machine - High Speed Concrete Ribbed Rebar Making Line
High Performance Automatic Cold Rolled Ribbed Steel Bar Machine
Hylite Machinery designs and manufactures heavy-duty automatic cold rolled ribbed steel bar production lines dedicated to transforming hot-rolled low carbon wire rods (Q195, Q235, SAE1008) into high-strength 3-sided crescent ribbed concrete rebar. Combining mechanical descaling, dual-stage cold rolling reduction, precision rib profiling, and automated flying shear cutoff, this plant delivers exceptional tensile yield properties and precise rib geometries compliant with international building codes.
Integrated Cold Rolled Ribbed Bar Production Stations
1. Mechanical Descaling & Alignment
A heavy 5-roller multi-directional bending descaler vigorously flakes off brittle mill scale without acid pickling, feeding clean, centered wire rod smoothly into the first cold reduction stage.
2. Carbide Rib Rolling Reduction Mill
Equipped with durable tungsten carbide crescent rib rollers (YG15/YG20 grade). Compresses and imprints precise transverse ribs onto the wire surface, boosting yield strength past 550–600 MPa.
3. Synchronized Flying Shear Cutoff
High-speed rotary flying shear precisely cuts finished ribbed bars into pre-set lengths (3m to 12m) on the fly, discharging straight bars onto an automated pneumatic alignment and collection rack.
Cold Rolled Ribbed Rebar Technical Specifications
| Machine Specification | Standard Engineering Rating | Benefit to Manufacturer |
|---|---|---|
| Inlet Wire Rod Diameter | Φ6.5 mm – Φ12.0 mm (Low Carbon Rod) | Wide raw material adaptability |
| Finished Ribbed Bar Size | Φ4.0 mm, Φ5.0 mm, Φ6.0 mm – Φ12.0 mm | Covers construction & mesh specs |
| Rolling Speed Capacity | 120 m/min – 300 m/min (Inverter Controlled) | High daily tonnage throughput |
| Ribbed Profile Format | 3-Sided Crescent Ribs / Spiral Deformed Ribs | Superior concrete bonding grip |
| Finished Steel Grade | CRB550 / CRB600H (GB13788, ASTM A1064) | High tensile yield strength ≥ 550 MPa |
| Cutting Length Accuracy | ±2.0 mm (Photoelectric Tracking Cut) | Minimal end scrap and re-cutting |
120 m/min Speed Machine Model
300-600M/MIN Speed Machine Model
Why Choose Hylite Cold Rolled Ribbed Rebar Equipment
- Significant Steel Material Savings: Cold rolling increases wire rod yield strength from ~235 MPa to over 550 MPa, allowing concrete structures to use up to 30% less steel volume while meeting structural safety standards.
- Long Tooling Lifespan: High-hardness tungsten carbide reduction rolls maintain precision crescent rib profiles across more than 3,000 tons of continuous rebar production per tooling set.
- User-Friendly Touchscreen PLC: Siemens/Schneider automated control system allows quick setting of production speeds, cutting lengths, batch counts, and instant fault self-diagnostics.
Frequently Asked Questions by Rebar Manufacturers
Q: What is the main difference between cold rolled ribbed rebar and traditional hot rolled rebar?
A: Cold rolled ribbed rebar is formed at room temperature from plain wire rod. Cold working refines the grain structure and elevates yield strength to CRB550/CRB600 levels, making it ideal for concrete slabs, precast elements, and reinforcing mesh with lower overall steel costs.
Q: Can this machine produce both straight cut rebar and coiled ribbed wire?
A: Yes. We can configure the production line with an interchangeable output: either cutting straight bars via the flying shear or coiling finished ribbed wire onto heavy spools using an automated coiler stand.
Get Direct Factory Quotation & Workshop Layout Drawing
Contact Hylite Machinery engineers today with your target rebar diameters and daily output requirements for an immediate customized proposal.
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