Radius Bending Machine

Steel Rebar Radius Bending Machine

Steel Rebar Radius Bending Machine is a heavy-duty mechanical device engineered to bend steel bars into precise circular or spiral shapes, making it perfect for large-scale construction projects. Equipped with a hydraulic system powered by advanced electronic controls, this machine ensures automated, high-precision bending with minimal manual intervention. It boosts productivity, lowers labor costs, and delivers consistent, high-quality bends for steel bars of varying diameters.

Technical Specifications

Steel Rebar Radius Bending Machine
Material Capacity
Round Plain Bar Capacity	14-32 mm (0.55-1.26 in)
Deformed Bar Capacity	14-30 mm (0.55-1.18 in)
Power System
Motor Power	4 kW (5.4 HP)
Motor Speed	1440 r/min
Rated Voltage	380 V (3 Phase)
Performance
Spiral Bending Speed	28 r/min
Vernier Scale Ratio	1 cm = 1.5 m (0.39 in = 4.92 ft)
Construction
Panel Thickness	12 mm (0.47 in)
Physical Specifications
Dimensions (L×W×H)	1100 × 800 × 850 mm (43.3 × 31.5 × 33.5 in)
Machine Weight	380 kg (838 lbs)

Spiral Bending Diameter Range

Ø16: Minimum: 0.3 m, Maximum: Unlimited
Ø18: Minimum: 0.4 m, Maximum: Unlimited
Ø20: Minimum: 0.4 m, Maximum: Unlimited
Ø22: Minimum: 0.4 m, Maximum: Unlimited
Ø25: Minimum: 0.4 m, Maximum: Unlimited
Ø28: Minimum: 0.5 m, Maximum: Unlimited
Ø32: Minimum: 0.6 m, Maximum: Unlimited

Working Principle

Hydraulic Rebar Spiral Bender operates through a combination of mechanical systems and automated controls to deliver precise spiral or circular bends in steel bars. The bending process is programmable, allowing users to set specific angles and arcs for consistent, high-precision results.

Key Components:

Driving and Passive Wheels
Steel bars are fed through the entry port, with wheel spacing adjusted according to bar diameter. The active wheel drives the bar into position, enabling fast and accurate bending operations.
Interchangeable Bending Molds
A variety of bending molds can be swapped in and out to accommodate different steel bar diameters and bending shapes—offering versatility for diverse project requirements.
Control System
A smart control system governs bending speed and angle, ensuring precise, repeatable outcomes and minimizing operator intervention.

Applications

Hydraulic Rebar Spiral Bender is widely used in industries that demand precision in forming curved or spiral steel reinforcement:

Infrastructure Construction
Used for shaping steel bars into spirals or circles for buildings, bridges, tunnels, and other structural elements.
Bridge Engineering
Enables accurate bending of rebar into complex shapes to meet the specific load and design requirements of modern bridge construction.

Operation & Maintenance Guide

1. Mechanical Inspection Before Use

Ensure all mechanical components are functioning properly.
Verify that the workbench is level and stable to prevent operational errors.

2. Mold Installation

Install the appropriate mandrel, forming shaft, or variable stop frame according to the steel bar’s diameter.
The mandrel’s diameter should be at least 2.5 times the bar diameter to avoid material stress or deformation.

3. Safety Checks

Inspect the mandrel, stopper, and turntable for signs of wear, damage, or cracks.
Confirm that the protective cover is securely in place before starting the machine.

4. Operation Guidelines

Insert the steel bar into the turntable gap, making sure one end is securely positioned against the machine body.
Do not adjust the mandrel or speed settings while the machine is in operation to avoid equipment failure or injury.

5. Run Empty Before Use

Perform a no-load test run to check that all components operate normally before feeding steel bars for bending.

By adhering to these operational and maintenance procedures, the Hydraulic Rebar Spiral Bender guarantees efficient, safe, and precise bending of steel bars for a variety of applications in construction.