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High-Precision CNC Induction Heating Pipe Bending Machine for Petrochemical | China Suppliers & Factory
Product Description
Automatic Fast Heating Induction Bending Tube/Pipe Bender is a high-precision, efficient, and intelligent pipe processing equipment, specially designed for bending metal pipes of various materials and specifications. Adopting advanced numerical control technology and induction heating principle, it breaks through the limitations of traditional bending methods, realizing precise forming of pipes with minimal deformation, and is widely used in petroleum, chemical, aerospace, shipbuilding, power engineering, and other key industries.
Key Features & Benefits
| Feature | Petrochemical-Specific Benefit |
|---|---|
| High-Frequency Induction Heating | Precise, localized heating (800–1100°C) eliminates overheating risks in heat-affected zones (HAZ), critical for maintaining material integrity. |
| Full CNC Control System | Siemens PLC + touchscreen control ensures ±0.1° bend angle accuracy and consistent wall thickness reduction (≤12%). |
| Large Diameter & Thick-Wall Capability | Processes pipes up to DN1600 (63") OD and 120mm wall thickness, supporting full-size API 5L grade pipes. |
| Advanced Ovality & Radius Control | Real-time temperature monitoring and servo-driven feed systems maintain ovality ≤1.5% for 3D/5D/7D bends. |
| Water-Cooled Inductor System | Dual-circuit cooling prevents material grain growth and scaling, ensuring mechanical properties remain intact. |
| Heavy-Duty Hydraulic Push System | 100-ton+ push force for smooth, uniform pipe feeding, minimizing material stress. |
Bending Capacity
- Pipe type: SS pipe, alloy steel pipe, carbon steel pipe, Titanium pipe
- Pipe Diameter: 57mm - 1420mm
- Pipe wall thickness: 5 - 120mm
- Bending radius: 2D-5D, support customized 1.5D or over 6D
- Bending speed: 1 - 100mm/min
Bending Process
Technical Parameters
| Model | Pipe Dia (mm) | Wall Thickness (mm) | Max Thrust (T) | Radius | Angle (°) | Bending Speed (mm/min) | Heating Power (KW) |
|---|---|---|---|---|---|---|---|
| WGYC-219 | 76-219 | 18/28/40 | 60 | ＞1.5D | 0-180 | 0.3-4 | 160 |
| WGYC-325 | 76-325 | 18/28/40 | 70 | ＞2.5D | 0-180 | 0.25-3 | 200 |
| WGYC-426 | 108-426 | 18/28/40 | 100 | ＞3D | 0-180 | 0.25-3 | 250 |
| WGYC-530 | 159-529 | 18/28/40 | 120 | ＞3D | 0-180 | 0.2-3 | 300 |
| WGYC-630 | 159-630 | 18/28/40 | 160 | ＞3D | 0-180 | 0.2-3 | 400 |
| WGYC-720 | 219-720 | 18/28/40 | 180 | ＞3D | 0-180 | 0.15-2.5 | 500 |
| WGYC-830 | 219-830 | 18/28/40 | 220 | ＞3D | 0-180 | 0.15-2.5 | 550 |
| WGYC-1020 | 426-1020 | 18/28/40 | 260 | ＞3D | 0-180 | 0.15-2.5 | 600 |
| WGYC-1220 | 529-1220 | 18/28/40 | 300 | ＞3D | 0-180 | 0.15-2.5 | 700 |
| WGYC-1420 | 630-1420 | 18/28/40 | 350 | ＞3D | 0-180 | 0.15-2.5 | 800 |
Industrial Applications
- Refinery Process Piping: High-temperature, high-pressure elbows for crude oil units.
- Oil & Gas Transmission: 3D/5D bends for long-distance API 5L grade pipes.
- Chemical Plant Process Lines: Corrosion-resistant alloy bends for fluid handling.
- Offshore & Subsea Projects: Duplex steel bends for deep-sea risers and flowlines.
- Power Generation: Boiler and steam turbine piping systems.
Frequently Asked Questions
Q1: What materials can the induction bending machine process?
A: It is compatible with a wide range of metals, including Stainless Steel (SS), Alloy Steel, Carbon Steel, and Titanium pipes.
Q2: What is the maximum pipe diameter supported?
A: The machine can handle pipe diameters ranging from 57mm up to a massive 1420mm (DN1420).
Q3: How precise is the bending angle?
A: Thanks to the Siemens PLC and advanced CNC control system, it achieves a high precision of ±0.1° bend angle accuracy.
Q4: Does induction heating affect the material properties?
A: No, the localized high-frequency heating combined with a dual-circuit water cooling system ensures the heat-affected zone is minimized, maintaining material integrity and mechanical properties.
Q5: What bending radii are available?
A: Standard bending radii range from 2D to 5D. We also support customized requirements for 1.5D or radii exceeding 6D.
Q6: Is the machine suitable for thick-walled pipes?
A: Yes, it is designed for heavy-duty applications, capable of processing pipe wall thicknesses from 5mm up to 120mm.