Spiral Rebar Welding Machine
Fully Automated Continuous Welding: Integrates automatic feeding, positioning, spiral winding, and unloading into a seamless unmanned workflow, ensuring stable production with minimal labor.
High-Speed Precision Manufacturing: Fast welding cycles with CNC-controlled positioning deliver consistent cage quality, reduced material waste, and reliable high-output performance.
Flexible CNC Configuration System: Supports multiple cage specifications with one-click program recall, enabling rapid diameter adjustment and accurate, repeatable production.
Spiral Rebar Welding Machine YGTZ2500-12
The Spiral Rebar Welding Machine YGTZ2500-12 is a fully automated workstation designed with advanced proprietary technology to deliver high-efficiency rebar cage production. It is widely applied in metro systems, bridge construction, building projects, airports, highways, and foundation engineering works.
The machine combines automatic main bar feeding, bar detection and positioning, spiral winding welding, and cage unloading into a continuous automated workflow that requires no manual involvement. It achieves excellent welding efficiency, completing the weld of a single main bar in under 35 seconds. Welding parameters can be preset and stored to suit process requirements, minimizing labor input while substantially increasing productivity.
Built for sustained high-speed operation, the system can produce a 9–12 meter cage framework in roughly 20 minutes, with spiral winding and welding completed in about 25 minutes. Precise control over welding timing and positioning ensures consistent joint quality, prevents incomplete welds, and reduces material consumption.
The system allows multiple cage specifications to be preprogrammed for quick selection. Operators can instantly recall saved settings and control production through a one-touch touchscreen interface. The workflow is straightforward and user-friendly, while the high level of automation ensures that finished cages consistently meet industry standards.
In conventional manual cage fabrication, continuous on-site inspection is often needed to maintain quality. With the Spiral Rebar Welding Machine YGTZ2500-12, the entire production process is automatically supervised. Welding actions are tracked and verified in real time, and system feedback delivers immediate operational data to support stable, repeatable, and high-quality output.
Comparison Table
| Comparison Item | CNC Rebar Cage Making Machine | Traditional Cage Rolling Welder | Traditional Cage Rolling Welder |
Welding capability | Automatic main bar welding + automatic spiral welding | Spiral welding automatic, main bars welded manually | Automatic main bar welding + automatic spiral welding |
Welding method | CO₂ shielded automatic welding, reliable quality | Manual welding, inconsistent quality | CO₂ shielded automatic welding, reliable quality |
Cage diameter range | 790–2340 mm, no mold change required | 800–2200 mm, multiple molds required | 790–2340 mm, no mold change required |
Diameter adjustment | CNC automatic support ring adjustment | Manual mold replacement | CNC automatic adjustment |
Feeding method | CNC chain automatic feeding | Manual loading | CNC chain automatic feeding |
Spiral bar diameter | Ø6–16 mm supported | Ø6–16 mm | Ø6–16 mm supported |
Cage docking | Automatic measurement compensation, accurate docking | Manual correction required | Automatic compensation docking |
Main bar configuration | Single or double main bars supported | Single main bar only | Single or double main bars supported |
Spiral bar configuration | Single or double spiral supported | Single spiral only | Single or double spiral supported |
Horizontal dual main bar | Supported | Not supported | Supported |
Inner support ring adjustment | CNC automatic positioning, high precision | Manual adjustment | CNC automatic positioning |
Number of main bars | 4–128 supported | Mold-dependent | 4–128 supported |
Operators required | 1 person | 4–6 persons | 1 person |
Production capacity* | 10–12 cages per shift | 6–8 cages per shift | 20–24 cages per shift |
Main bar welding time* | 15 minutes per 12 m section | Manual, inconsistent | 15 minutes per 12 m section |
Spiral welding time* | 15 minutes per 12 m section | 20 minutes per section | 15 minutes synchronized |
*Example based on Ø1.6 m cage production.
Technical Parameters
| Item | Specification |
Model | YGTZ2500-12 |
Cage inner diameter | 800–2500 mm |
Cage length | 12 m |
Max cage weight | 6000 kg |
Spiral bar diameter | 5–14 mm |
Spiral pitch | 50–500 mm |
Main bar diameter | 16–50 mm |
Hydraulic pressure | 10 MPa |
Total rated power | 100 kW (including 8 welding machines) |
Machine dimensions | 36 m × 8 m × 3 m |
Head travel speed | 0–3 m/min |
Spiral carriage speed | 0–3 m/min |
Cage rotation speed | 0–10 rpm |
Machine weight | ≈38 tons |
Main bar welding cycles | 0–3 times |
Main bar single weld time | 0–2 s |
Spiral welding mode | Full weld / staggered weld / adjustable |
Spiral weld time per point | 0–1 s |
Spiral configuration | Single / double spiral |
Main bar configuration | Single / double main bar |
Power supply | 380V / 50 Hz |
Cage unloading | Automatic trolley translation |
Moving welding units | 2 sets |
Smart bar length memory | Standard |
Main bar feeding | Pneumatic automatic positioning |
Bar alignment | Servo positioning |
Alignment accuracy | 3 mm |
Single main bar welding cycle | 30–50 s |
Cage lifting supports | 6 sets |
Lifting system | Hydraulic control |
Oil pump pressure | 10 MPa |
Air pressure | 0.9 MPa |
Cage rotation accuracy | ±0.2° |
Cage support method | Hydraulic support |
Spiral pitch accuracy | ±2 mm |
Stored cage programs | 30 sets |
Operators required | 1–2 persons |
Spiral pay-off speed | 0–50 m/min, adjustable |
Spiral straightening | Dual-roller straightening |
Spiral load capacity | 6000 kg |
Mold ring support | Hydraulic support |
Inner support rings | 6 pcs |
Support ring spacing range | 1700–2000 mm |
Spacing adjustment | CNC programmable |
Major Components List
| Component | Model | Notes |
Main turntable servo motor | 7.5 kW | 1 set |
Fixed-length travel servo motor | 2.3 kW | 1 set |
Carriage drive motor | 4 kW | 1 set |
Drum rotation motor | 7.5 kW | 1 set |
Spiral feeding motor | 3 kW | 1 set |
Spiral straightening motor | 5.5 kW | 2 sets |
PLC controller | — | 1 set |
Touchscreen HMI | — | 1 set |
Gear reducer | — | — |
Pneumatic cylinder | — | — |
Welding machine | 500 type | 8 sets |
Frequency inverter | — | — |
Electrical components | — | Relays/contactors/sensors |
Three-phase motor | — | Induction motor |
