Used Bar Straightening Machine – Model GX4-12
A Used Bar Straightening Machine is a practical and efficient solution for restoring bent, twisted, or deformed steel rebars for reuse in construction, fabrication, and recycling industries. By applying mechanical force, it straightens the rebar back to its original shape, saving both material and labor costs.
Model Specifications:
| Model | GX4-12 |
|---|---|
| Diameter Range | 4–12 mm |
| Working Speed | 30 m/min |
| Cutting Length (Optional) | 700–6000 mm |
| Motor Power | 4KW + 4KW |
| Packing Size | 1250 × 750 × 1150 mm |
| Weight | 550 kg |
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Feeding System: Aligns and guides the deformed rebar into the straightening zone.
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Straightening Rollers: Multiple high-strength alloy rollers arranged at staggered angles to apply even pressure.
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Drive System: Powered by electric motors, it pulls the rebar through the rollers at consistent speed.
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Cutting Mechanism (Optional): Integrated shearing unit enables automatic cutting of straightened rebar to preset lengths.
Straightening Process Breakdown
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Feeding: The bent rebar is inserted and securely gripped by the rollers.
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Roller Straightening: It passes through several staggered rollers, where high-speed rotation bends and stretches the bar to remove kinks and curves.
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Discharge: The finished rebar exits the machine, straight and ready for cutting or reuse.
Mechanical Principles at Work
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Plastic Deformation: The machine applies sufficient force to permanently reshape the steel bar.
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S-Shaped Roller Configuration: Ensures consistent pressure from all sides, promoting even straightening without damaging the material.
Rebar Compatibility
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Diameter Range: Typically suitable for rebars from 4 mm to 14 mm (depending on the machine model).
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Material Types: Works with low-carbon steel, plain round bars, and ribbed rebars such as HRB335 and HRB400.
Benefits of a Used Rebar Straightening Machine
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High Efficiency: Up to 10 times faster than manual straightening, significantly reducing labor effort.
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Cost-Effective and Sustainable: Reprocesses scrap rebars, minimizing waste and lowering material costs.
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Adjustability: Rollers and pressure can be fine-tuned for different bar sizes and hardness levels.
Maintenance Tips
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Regularly check roller wear and replace any deformed or worn-out components.
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Lubricate moving parts frequently to prevent excessive wear and heat.
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Avoid overloading the machine, which can lead to motor damage and system failure.
