B. M. Engineering

A Bar Bending Machine (also known as a rebar bending machine) is a piece of construction equipment used to bend reinforcing steel bars (rebars) to various angles and shapes, according to structural design requirements in reinforced concrete construction.

🔧 Basic Function

The machine bends TMT (Thermo-Mechanically Treated) bars or other steel rods into different shapes, such as:

• L-shape

• U-shape

• Stirrup shape

• Square or circular rings

⚙️ Main Components

1. Electric Motor – Powers the machine.

2. Bending Plate – Rotates to bend the bar around a preset pin.

3. Pin & Roller – Helps form precise bends.

4. Angle Selector – Allows setting bending angle (e.g., 45°, 90°, 135°).

5. Foot Pedal or Button Control – For operator control.

6. Frame & Base – Provides structure and stability.

📐 Specifications (Typical) 🛠️ Types of Bar Bending Machines

1. Manual – Operated by hand levers; used for small projects.

2. Semi-Automatic – Motor-driven, but requires manual bar loading and setting.

3. Fully Automatic (CNC) – Computer-controlled, precise and efficient for large-scale production.

✅ Advantages

• Ensures consistent and accurate bends.

• Increases speed and productivity on construction sites.

• Reduces labor effort and time.

• Enhances worker safety (compared to manual bending).

• Improves structural reliability by ensuring correct bend angles.

⚠️ Safety Precautions

• Always wear PPE (gloves, goggles, boots).

• Keep hands away from moving parts.

• Do not exceed the machine’s bending capacity.

• Regularly inspect and maintain the machine