ZGW4-12 Automatic Steel Bar Bending Machine

Equipment Overview

4-12 Automatic Steel Bar Bending Machine, engineered by GHM Machinery, is a fully automated, high-performance solution designed for precision bending and shaping of threaded steel bars (6mm, 8mm, 10mm, and 12mm diameters). Ideal for workshops and large-scale construction projects, it delivers unmatched versatility, speed, and accuracy in rebar fabrication.

Technical Specifications

ZGW4-12 Automatic Steel Bar Bending Machine Specifications
Speed & Movement
Traction Speed	100 m/min (328 ft/min)
Bend Speed	1100°/s
Bend Direction	Clockwise + Anticlockwise
Bending Accuracy
Bend Angle Range	±180°
Angle Error	±1°
Length Error	±1 mm (±0.04 in)
Material Specifications
Single Wire Diameter	4-13 mm (0.16-0.51 in)
Double Wire Diameter	4-10 mm (0.16-0.39 in)
Rebar Side Length	Maximum: 1440 mm (56.7 in) Minimum: 120 mm (4.7 in)
Power System
Total Power	31 kW (41.6 HP)
Physical Specifications
Weight	2580 kg (5,688 lbs)
Dimensions (L×W×H)	4200 × 1300 × 2110 mm (165.4 × 51.2 × 83.1 in)

Key Features of the 4-12 Automatic Steel Bar Bending Machine

1. Eco-Conscious Operation

• Features a state-of-the-art servo motor system for whisper-quiet performance

• Zero-emission operation ensures complete environmental compliance

• Eliminates oil pollution common in hydraulic systems

2. Unmatched Precision Control

• Dual high-accuracy optical sensors for real-time monitoring

• Precise tracking of both bending angles and extension lengths

• Ensures consistent, repeatable results for every bend

3. Energy-Saving Innovation

• Consumes up to 5 kW less power per hour than pneumatic systems

• Eliminates noisy air pumps and cylinders

• Reduces energy costs by up to 30% compared to conventional machines

4. Revolutionary Blade System

• Patented split-type fixed knife design:

  • Dual-sided usability doubles service life

  • Enables quick replacement and maintenance

• Four-sided rotating cutter system:

  • Quadruples operational lifespan

  • Reduces replacement frequency by 75%

5. Maintenance Advantages

• Modular design simplifies servicing

• 40% faster blade changes than conventional models

• Up to 60% reduction in annual maintenance costs

• Minimal downtime for maximum productivity

6. Smart Production Benefits

• Automatic error detection system

• Self-diagnostic capabilities for quick troubleshooting

• Real-time performance analytics

Key Components

1. Preset Wheel:
   Features six preset and six adjustable wheels for precise pre-straightening of the rebar.
2. Traction Unit:
   Includes four traction wheels for controlled feeding and returning of steel bars, ensuring accurate length adjustments.
3. Straightening Unit:
   Comprises seven straightening wheels and seven adjustable upper wheels to deliver perfectly straightened bars.
4. Bending and Cutting Units:
   These units perform automatic bending and cutting, streamlining the production process and enhancing efficiency.