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CNC Rebar Cage Rolling Welding Machine with 500-2000 mm Cage Diameter Range and 40-60 Points/min Welding Speed for 12 m Cage Length
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CNC Rebar Cage Rolling Welding Machine with 500-2000 mm Cage Diameter Range and 40-60 Points/min Welding Speed for 12 m Cage Length
| MOQ: | 1 PCS |
| Standard Packaging: | Customized based on project |
| Delivery Period: | 7-30 Days |
| Payment Method: | L/C,D/A,D/P,T/T |
| Supply Capacity: | Excellent |
Detail Information
Place of Origin
Chengdu , China
Brand Name
Sichuan Shunyao Supply Chain Management Co., Ltd.
Certification
CE,ISO
Cage Length:
12 M (18-27 M Opt.)
Rated Power:
23 KW
Welding Speed:
40-60 Points/min (manipulator); 20-30 Points/min (manual Torch)
Main Bar:
Φ12-32 Mm
Cage Diameter Range:
500-2000 Mm
Stirrup Wire:
Φ6-16 Mm Coil
Highlight:
CNC Rebar Cage Rolling Welding Machine
,Rebar Cage Rolling Welding Machine
,CNC Rebar Cage Rolling Welding Equipment
Product Description
CNC Rebar Cage Rolling Welding Machine
Automates the production of reinforcement cages for bridge piers, pile foundations and viaducts. Main bars are loaded once; stirrups are fed, positioned and welded continuously while the cage rotates on the disc — output is measured in cages per shift rather than per welder.
Why It Pays Off
Cage tying is the most labour-intensive step in pier and pile production. The figures below are running-cost items a site manager can verify against his own numbers.
- Spacing held by the PLC, not by the crew: CNC models hold winding pitch to ±3 mm and cage diameter to ±8 mm, against ±10 mm and ±15 mm for semi-automatic units — and hand tying is worse still. Every cage in the batch comes out the same.
- Running cost you can calculate: Approx. 15-20 kWh of electricity per tonne of rebar processed, plus welding wire and CO2 gas at roughly RMB 20-30 per tonne. Because the stirrup needs no overlap, material saving against hand tying is around 1-1.5%.
- One crew, 20+ finished cages a day: A 5-6 person crew on two shifts produces over twenty finished 12 m cages per day, including stiffening rings and accessories. A railway site recorded 75 * 9 m cages (675 m of cage) in a single day.
- Straight cages that splice without rework: Machine-formed cages hold straightness within 1/1000, and main bars sit evenly around the circumference — so consecutive cages align on the crane without site adjustment.
How It Works
One operator runs the cycle; two handlers feed main bars and fit stiffening rings.
- Main bars cut, joined and racked: Bars are cut to drawing length, butt-welded or coupler-joined, and loaded on the storage rack (modular H-steel, holds 2-12 m bars in 2 m segments).
- Stirrup coil loaded: Coil placed on the pay-off rack — 2 t capacity, telescopic core to suit coil bore.
- Bars fanned and clamped on the discs: Main bars are distributed onto the distribution discs and passed through the template guides of the fixed and moving discs, then clamped (staggered ≈1 m).
- Stirrup threaded and tack-welded: Coil wire runs through the multi-roll straightening unit to the first crossing point, where it is tack-welded to a main bar.
- Continuous winding and welding: Both discs rotate in sync; the moving disc advances while the stirrup winds helically onto the bars and every intersection is welded. Head and tail are closed with tight coils.
- Cut-off and release: The winding is cut, the discs advance, and the bar clamps are released with the electric wrench supplied with the machine.
- Discharge: The finished cage rolls out along the discharge table for stiffening-ring fitting and lifting out.
Welding System
CO2 gas-shielded welding is standard — low spatter, sound welds. An automatic welding manipulator is available as an option, raising output from 20-30 manual points/min to 40-60 points/min with fewer operators.
Technical Data
Reference configuration: 2.0 m class (highway / heavy pile work) — the most widely used size. Values compiled from current manufacturer listings, October 2026.
| Specification | Value |
|---|---|
| Cage diameter | 500-2000 mm |
| Cage length | 12 m (18-27 m opt.) |
| Main bar | Φ12-32 mm |
| Stirrup wire | Φ6-16 mm coil |
| Output | 10-17 cages / shift |
| Rated power | 23 kW |
| Parameter | Specification |
|---|---|
| Model class | 2.0 m (equivalent to LL2000 / RKG-2000 / SJG-2000 series) |
| Type | Full-automatic rotating disc, PLC + servo control |
| Cage diameter range | 500-2000 mm, adjustable by template change |
| Cage length | 12,000 mm standard; 18 m and 25 m optional (27 m max on special build) |
| Main reinforcement bar | Φ12-32 mm ribbed bar (Φ40 mm on heavy class) |
| Stirrup / winding wire | Φ6-16 mm, coil fed |
| Stirrup spacing | 50-500 mm, stepless programmable |
| Max. cage weight | ≈6.4 t |
| Welding method | CO2 gas-shielded; automatic manipulator optional |
| Welding speed | 40-60 points/min (manipulator); 20-30 points/min (manual torch) |
| Accuracy | Winding pitch ±3 mm * cage diameter ≤±8 mm * straightness ≤1/1000 |
| Hydraulic support | Parallel four-bar system, 1.6-2 t (8-10 MPa) |
| Pay-off rack | 2 t capacity, telescopic core |
| Supply / frequency | 380 V / 50 Hz, 3-phase (220-415 V / 60 Hz configurable) |
| Rated power | 23 kW (installed; 50 kW site supply recommended) |
| Overall dimensions (L*W*H) | ≈30,000 * 6,000 * 3,300 mm (by configuration) |
| Machine weight | ≈17-20,000 kg |
| Footprint required | 30 * 8 m minimum (45 * 15 m including pay-off rack and bar storage) |
| Operators required | 3-6 per shift (2 feeding, 1 operating, 2 fitting stiffening rings) |
| Energy consumption | ≈15-20 kWh per tonne of rebar processed |
| Delivery terms | Ex-works / FOB / CIF, on request |
| Warranty | 12 months from commissioning |
| Certification | ISO 9001; CE on request |
Applications
Bored piles
Cages for cast-in-place piles in bridge and building foundations.
Cages for cast-in-place piles in bridge and building foundations.
Bridge piers & columns
Large-diameter vertical cages for piers and pile caps.
Large-diameter vertical cages for piers and pile caps.
High-speed rail
Repetitive cage production for railway viaduct foundations.
Repetitive cage production for railway viaduct foundations.
Metro & tunnel works
Cages for station piles and tunnel support structures.
Cages for station piles and tunnel support structures.
Precast yards
Several machines in line for continuous cage production.
Several machines in line for continuous cage production.
Special foundations
Wind-tower and marine works on custom large-diameter builds.
Wind-tower and marine works on custom large-diameter builds.
Frequently Asked Questions
What cage diameters and lengths can it produce?
300-2500 mm depending on size class (1250 / 1500 / 2000 / 2500). Standard cage length is 12 m; 18 m and 25 m are optional, up to 27 m on special builds. Templates are changed to match your bar count and layout.
How many workers are needed?
3-6 per shift: two feeding main bars, one operating the machine, two fitting stiffening rings. Full CNC versions run with 3; semi-automatic versions with 5-6.
How long does one cage take?
Welding runs at 40-60 points/min with the automatic manipulator (20-30 manually). A typical crew on two shifts produces 20+ finished 12 m cages per day including stiffening rings — roughly 10-17 cage sections per shift, ≈20 t/day.
What site preparation is required?
Level hardened concrete, 30 * 8 m minimum (45 * 15 m including pay-off rack and bar storage). Canopy ≥3.5 m with no columns in the cage exit direction. 50 kW site supply. Other equipment ≥2 m away with separate earthing. 13-17 m truck access for delivery and removal.
Can it handle both ribbed and plain bar?
Yes. Main bar Φ12-32 mm standard (Φ40 mm heavy class); stirrup wire Φ6-16 mm in coil. Welding angle is kept at 85-90° with current set to roughly 1.5* the bar diameter.
What power supply does it need?
380 V / 50 Hz, 3-phase as standard; 220-415 V / 60 Hz configurable for export markets. State your site supply in the enquiry so the transformer is specified correctly.
Is operator training included?
Yes. Commissioning and operator training are part of the supply, and a crew usually reaches independent operation within about three days.
How is the machine shipped?
Modular construction — the base frame breaks into 2 m segments, and the machine ships disassembled at 11-20 t depending on class, on 40 ft flat racks or breakbulk, with the control cabinet and spares crated. Typical ex-works lead time 30-45 days.
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