Our CNC pipe bending machine is a computer-numerical-control tube bending system designed for high-precision, repeatable bending of metallic pipe fittings. The machine integrates servo-driven bending (Y-axis), automatic feeding (X-axis), and rotation (Z-axis) control, managed by a PLC or industrial PC for fully automatic bending cycles.
This enables complex multi-bend geometries — including compound angles and multi-plane bends — to be executed in a single setup with consistent accuracy.
Key capabilities at a glance:
| Parameter | Details |
|---|---|
| Bending range | 10–100 mm (round pipe diameter) |
| Pipe types | Round pipe, square pipe, different diameters, custom shapes |
| 控制系统 | CNC / PLC automatic control |
| Configuration | Standard CNC series + Hydraulic CNC series |
| Number of models | 7 models (4 standard CNC + 3 hydraulic CNC) |
| Customization | Available for special pipe diameters and shapes |
| Applications | Aerospace, automotive, shipbuilding, petrochemical, power, natural gas, nuclear, boilers, HVAC, fitness equipment, sporting goods, and more |
Applications by Industry
The CNC pipe bending machine serves as critical bending processing equipment for pipe fittings across a wide range of industries:
- Aerospace
- Automotive & Motorcycles
- Shipbuilding
- Petrochemical & Natural Gas
- Power & Nuclear Industry
- HVAC & Refrigeration
- Fitness Equipment & Sporting Goods
- Boilers & Pressure Vessels
Pipe Types and Materials
Our CNC pipe bending machine can process a wide range of pipe types and materials:
Pipe Types
| Type | Description | Typical Application |
|---|---|---|
| Round pipe | Standard circular cross-section tubes | Most common — automotive, HVAC, general industrial |
| Square pipe | Square cross-section tubes | Furniture, fitness equipment, architectural |
| Rectangular pipe | Rectangular cross-section tubes | Structural frames, vehicle chassis |
| Different diameter pipes | Reducing/diminishing diameter tubes | Exhaust systems, pipeline transitions |
| Custom shapes | Oval, hexagonal, special profiles | Aerospace, specialized industrial applications |
Materials Supported
- Carbon steel
- Stainless steel
- Aluminum and aluminum alloys
- Copper and copper alloys
- Brass
- Titanium (aerospace applications)
- Alloy steel
Complete Model Specifications
Our CNC pipe bending machine lineup includes two series: the Standard CNC Series (Model 38, 51, 76, 100) for precision tube bending, and the Hydraulic CNC Series (Model-5, Model-9, Model-11) for heavier-duty bar and tube bending applications.
Standard CNC Series — Precision Tube Bending
| 型号 | Bending Range | Typical Application |
|---|---|---|
| Model 38 | 10–24 mm | Thin-wall tubing, HVAC refrigeration pipes, small-diameter automotive tubes, motorcycle exhaust pipes |
| Model 51 | 20–51 mm | Medium-diameter automotive exhaust systems, furniture tubing, fitness equipment frames |
| Model 76 | 30–76 mm | Shipbuilding pipes, boiler tubes, petrochemical pipelines, medium structural tubing |
| Model 100 | 40–100 mm | Large-diameter industrial piping, power plant tubing, natural gas pipelines, nuclear industry applications |
Hydraulic CNC Series — Heavy-Duty Bar & Tube Bending
| 型号 | Steel Bar Diameter | Typical Application |
|---|---|---|
| Model-5 Hydraulic CNC | 4–28 mm | Construction rebar bending, small structural steel bending, vehicle frame components |
| Model-9 Hydraulic CNC | 4–32 mm | Medium structural steel bending, shipbuilding frame components, boiler structural supports |
| Model-11 Hydraulic CNC | 4–36 mm | Heavy industrial steel bending, nuclear industry structural components, large pipeline supports |
Note: The Hydraulic CNC series can process both round steel bars and tube fittings, making it versatile for workshops that handle mixed material types. This dual capability makes it an ideal pipe bending machine for shipbuilding and structural fabrication shops.
How Does a CNC Pipe Bending Machine Work?
Understanding how a CNC tube bending machine works helps operators maximize performance and minimize material waste. The process operates through three CNC-controlled axes:
1. Feeding (X-Axis)
The CNC program automatically feeds the pipe into the bending head to a precise length. Servo motor control ensures feeding accuracy of ±0.1 mm, critical for multi-bend parts where cumulative error must be minimized.
2. Rotation (Z-Axis)
After each bend, the pipe is automatically rotated to the next bending plane. The CNC system controls rotation angle with high precision, enabling complex 3D bending geometries — essential for aerospace tubing and automotive exhaust systems with multiple compound bends.
3. Bending (Y-Axis)
The bending head executes the bend using a rotating die and a counter-pressure wiper die. The CNC system controls bending speed, angle, and springback compensation. For thin-wall or hard-to-bend materials, a mandrel can be inserted inside the pipe to prevent wall collapse or wrinkling — this configuration is known as a CNC mandrel tube bender.
4. Springback Compensation
One of the key advantages of CNC control is automatic springback compensation. The machine measures material springback characteristics and automatically adjusts the bending angle to achieve the target angle after the material relaxes. This ensures bend accuracy of ±0.3° across production runs.
5. Continuous Automatic Cycle
For multi-bend parts, the CNC system executes the complete bending sequence — feed → rotate → bend → feed → rotate → bend — automatically, producing finished complex tubular parts in a single clamping setup.
Why Choose Our CNC Pipe Bending Machine?
1. Versatile Pipe Type Handling
Our machine can bend round pipes, square pipes, tubes with different diameters, and custom cross-section profiles. This eliminates the need for multiple specialized benders in workshops handling diverse tubular products. Changeover between pipe types requires only die set replacement — typically 15–30 minutes.
2. Industry-Grade CNC Precision
The PLC/IPC control system manages all three bending axes with servo precision, delivering repeatable bend accuracy of ±0.3° on angle and ±0.1 mm on feed length. This level of precision meets the stringent requirements of aerospace and nuclear industry applications.
3. Wide Bending Range Coverage
With 7 models spanning 10 mm to 100 mm in bending diameter (and 4 mm to 36 mm for the hydraulic CNC series), we cover the full spectrum from thin-wall precision tubing to heavy structural bars. A single supplier for all your pipe bending equipment needs.
4. Customization on Request
Beyond standard round and square pipes, we offer custom die sets and tooling for special-diameter pipes, unusual cross-sections, and application-specific bending requirements. Whether you need a square pipe bending machine for furniture manufacturing or a specialized boiler tube bending machine for power plant fabrication, we can configure the machine to your specifications.
5. Multi-Industry Application Proven
Our CNC pipe bender series has been deployed across demanding industries worldwide — from automotive exhaust manufacturers requiring high-volume repeatability to petrochemical fabricators needing thick-wall pipe bending for pipeline infrastructure.
6. Automatic Operation for Production Efficiency
Fully automatic CNC control means one operator can manage the machine while it executes complex multi-bend programs. For high-volume production, this dramatically reduces labor cost per part compared to manual or semi-automatic bending methods.
Selection Guide: Choosing the Right Model
| Your Application | Pipe/Bar Diameter | Recommended Model | Series |
|---|---|---|---|
| HVAC refrigeration tubes, small automotive pipes | 10–24 mm | Model 38 | Standard CNC |
| Automotive exhaust, furniture, fitness equipment | 20–51 mm | Model 51 | Standard CNC |
| Shipbuilding, boiler tubes, petrochemical | 30–76 mm | Model 76 | Standard CNC |
| Large industrial piping, power plant, natural gas | 40–100 mm | Model 100 | Standard CNC |
| Construction rebar, vehicle frames, light structural | 4–28 mm | Model-5 | Hydraulic CNC |
| Shipbuilding frames, boiler structural supports | 4–32 mm | Model-9 | Hydraulic CNC |
| Nuclear industry, heavy structural, large supports | 4–36 mm | Model-11 | Hydraulic CNC |
Customization Options
Beyond the 7 standard models, we offer extensive customization:
Die and Tooling Customization
- Custom bend radius dies for application-specific requirements
- Square and rectangular pipe die sets
- Mandrel bending tooling for thin-wall tubes
- Multi-radius die stacks for mixed production
Control System Upgrades
- Touchscreen HMI with graphical bend programming
- CAD/CAM interface for direct import of bend programs from design software
- Springback measurement and auto-compensation
- Production data logging and SPC (Statistical Process Control) output
Material Handling Accessories
- Automatic bar/tube feeder for continuous production
- Uncoiler for coil-fed tube processing
- Cut-to-length integration
- Post-bend inspection gauge integration
常见问题解答
What is the bending range of your CNC pipe bending machine?
Our CNC pipe bending machine series covers a bending range of 10 mm to 100 mm for round pipes across the Standard CNC series, and 4 mm to 36 mm for steel bars in the Hydraulic CNC series.
Can the machine bend square pipes and non-round profiles?
Q2: Can the machine bend square pipes and non-round profiles?
Yes. Our CNC pipe bending machine can process round pipes, square pipes, rectangular tubes, different-diameter pipes, and custom cross-section profiles. Custom die sets are available for special shapes — please provide your pipe specifications for a tailored tooling solution.
What industries is this CNC pipe bending machine suitable for?
The machine is designed for pipe fitting bending across aerospace, automotive, motorcycles, ships, petrochemical, electric power, natural gas, nuclear industry, boilers, vehicles, fitness equipment, air conditioning and refrigeration, sporting goods, and other tubular component manufacturing industries.
Can the machine handle different materials?
Yes. The machine can bend carbon steel, stainless steel, aluminum, copper, brass, titanium, and alloy steel pipes. Material type and wall thickness should be specified when selecting the model to ensure proper die and mandrel configuration.
What is the difference between the Standard CNC and Hydraulic CNC series?
The Standard CNC series uses servo-electric CNC control and is designed for precision tube bending of hollow pipes. The Hydraulic CNC series uses hydraulic CNC control and can bend both solid steel bars and tubes, making it suitable for heavier structural applications.
Can I customize the machine for my specific pipe dimensions?
Yes. We offer full customization for special pipe diameters, non-standard cross-sections, and application-specific bending requirements. Custom die sets, modified bending heads, and specialized tooling can be engineered to your specifications.
How accurate is the CNC pipe bending machine?
The CNC system delivers bending angle accuracy of ±0.3° and feeding length accuracy of ±0.1 mm, with automatic springback compensation. This precision level meets aerospace and nuclear industry bending requirements.
Ready to Upgrade Your Pipe Bending Operations?
Whether you’re fabricating precision aerospace tubing, high-volume automotive exhaust systems, or heavy-duty structural pipe for petrochemical applications, our CNC pipe bending machine series has a model engineered for your needs.
Contact us today with your pipe specifications (diameter, wall thickness, material, bend radius, and production volume) for a customized quotation and model recommendation. Our engineering team will help you select the right configuration — including die sets, mandrel options, and control system features — to match your exact bending requirements.
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