CNC Flanging Machines

Boxiang CNC flanging machines are designed for forming accurate flanges, beads, edges and mounting profiles on cylindrical, conical and large-diameter metal components. Our equipment uses controlled spinning rollers to progressively form the open edge of a rotating workpiece into a right-angle flange or a customized angular profile.

Available configurations include vertical CNC flanging machines, horizontal CNC flange spinning machines and large-diameter flanging machines. They are suitable for producing air ducts, ventilation components, fan housings, collector cones, pipe flanges and other rotationally symmetrical metal parts.

Machine structures, tooling stations, clamping systems and forming programs can be customized according to the workpiece diameter, height, material thickness, flange width and required production capacity.

What Is a Flanging Machine?

A flanging machine forms a projecting rim or flange around the edge of a metal workpiece. During the spinning process, the cylindrical or conical component is clamped and rotated while one or more forming rollers progressively bend and shape its edge.

Unlike conventional pressing methods that may require dedicated dies for every product size, CNC flange spinning provides greater flexibility for producing different diameters and flange profiles. Product specifications can be changed by adjusting the fixture, forming rollers and CNC program.

Depending on the machine configuration, several operations may be completed in one clamping cycle, including:

• Right-angle flanging

• Custom-angle flanging

• Edge beading

• Trimming

• CNC-indexed punching

• Flange sizing and finishing

This integrated process helps manufacturers reduce repeated positioning and maintain consistent flange dimensions during batch production.

Applications of Flange Spinning Machines

Boxiang flanging machines can be used for manufacturing:

• Industrial air ducts

• HVAC ventilation ducts

• Axial and centrifugal fan housings

• Large fan collector cones

• Cylindrical tank components

• Pipe flange sections

• Chimneys and exhaust ducts

• Dust collection system components

• Pressure vessel sections

• Metal barrels and drums

• Conical transition sections

• Large-diameter circular shells

These machines are commonly applied in ventilation equipment, environmental protection systems, industrial fans, pipeline manufacturing, energy equipment and general sheet metal fabrication.

Main Advantages of Boxiang Flanging Machines

CNC-Controlled Forming

The forming path, spindle movement and roller position are controlled through a CNC system. This helps maintain repeatable flange width, angle and profile across multiple production batches.

Automatic Hydraulic Clamping

A hydraulic chuck or rotary tie-rod clamping system securely holds cylindrical workpieces during rotation. Automatic clamping improves loading efficiency and helps maintain workpiece concentricity.

Multi-Station Tooling

Different forming tools can be installed at separate stations for flanging, beading, trimming or finishing. The tooling arrangement can be adapted to the customer’s required process.

Multiple Operations in One Setup

Selected models can complete flanging, beading, punching and trimming without repeatedly removing and repositioning the workpiece. This reduces handling procedures and accumulated positioning errors.

Custom Flange Angles

In addition to standard 90-degree flanges, the machine can be configured for other flange angles and edge profiles according to the component drawing.

Suitable for Large Workpieces

Boxiang offers equipment for cylindrical components with diameters up to 3000 mm, providing solutions for large fan housings, collector cones and industrial duct sections.

Flexible Production

By changing the tooling, fixture and CNC program, one machine may process multiple workpiece specifications within its diameter and thickness capacity.

Flanging Machine Model Comparison

BXFBX1400 Vertical CNC Flanging Machine

The vertical configuration is suitable for medium and large cylindrical components with diameters from 300 to 1400 mm. It uses three-station tooling and can perform flanging, beading, punching and trimming according to the selected tooling configuration.

Its vertical workpiece arrangement can simplify the positioning of selected cylindrical and conical components.

BXFBJ1600 Horizontal CNC Flanging Machine

The BXFBJ1600 is designed for cylindrical components with diameters up to 1600 mm and heights up to 1200 mm. It supports material thicknesses from 1.0 to 8.0 mm and flange widths from 15 to 100 mm.

The horizontal structure is suitable for relatively long air drums, ducts, pipe sections and fan housing components that require stable hydraulic clamping.

BXFJ3000II-IV Large-Diameter Flanging Machine

The BXFJ3000II-IV is intended for large workpieces with mouth diameters up to 3000 mm and material thicknesses up to 12 mm. It uses a dedicated dual-station spinning roller mount, centralized automatic machine lubrication and automatic spray lubrication during forming.

This model is suitable for heavy-duty applications such as large industrial fan housings, wide collector cones, tank components and large-diameter duct sections.

Processable Materials

Depending on workpiece dimensions and forming requirements, CNC flanging machines can be configured for materials such as:

• Carbon steel

• Cold-rolled steel

• Stainless steel

• Aluminum alloy

• Galvanized steel

• Other ductile sheet metals suitable for spinning

Material strength, elongation, thickness and work-hardening characteristics should be evaluated before selecting the machine and tooling. Material grades with limited ductility may require a larger forming radius or multiple forming passes.

How to Select a CNC Flanging Machine

The correct machine should be selected according to the actual component rather than only the maximum diameter. Buyers should provide the following information:

1. Finished product drawing

2. Maximum and minimum workpiece diameter

3. Workpiece height

4. Material grade and thickness

5. Required flange width

6. Flange angle and edge profile

7. Punching, trimming or beading requirements

8. Required dimensional tolerances

9. Expected production volume

10. Manual or automatic loading requirements

For long cylindrical components, a horizontal machine may provide more convenient support and loading. A vertical machine can be considered for medium-diameter parts that are easier to position vertically. Components approaching 3000 mm in diameter or requiring thicker material capacity should be evaluated for a large-diameter heavy-duty machine.

Customized Flanging Machine Solutions

Boxiang provides customized flange spinning solutions based on customer drawings, samples and production requirements. Available customization includes:

• Hydraulic clamping fixtures

• Workpiece-specific mandrels

• Flanging and beading rollers

• CNC forming programs

• Punching and trimming stations

• Automatic lubrication systems

• Loading and unloading devices

• Safety guards and detection systems

• Production-line integration

• Sample forming and process testing

Our engineering team evaluates the workpiece structure, forming ratio, material behavior and required output before recommending the machine configuration.

Why Choose Boxiang?

Boxiang specializes in CNC metal spinning machines and rotary forming solutions. We support customers through process evaluation, machine configuration, tooling development, forming trials, production testing and operator training.

Rather than supplying only a standard machine, we develop a flanging solution based on the customer’s product dimensions, materials, tolerances and capacity requirements.