The ZS Machinery 5 Axis CNC Laser Welding Machine combines three linear axes, a CNC-controlled rotary axis, and an additional welding-head swing axis to provide a wider range of welding directions than conventional 3-axis and 4-axis systems.The machine uses X, Y and Z movement to position the welding head, while the rotary axis rotates the workpiece and the fifth axis changes the angle of the welding head.

This configuration is particularly useful for products with corner joints, angled welds, curved surfaces, cylindrical structures and multi-directional welding seams.With CNC-controlled multi-axis movement, the system provides repeatable welding paths and reduces the need for manual repositioning of complex workpieces.

5 axis cnc laser welding machine

What Is a 5 Axis CNC Laser Welding Machine?

A conventional 3-axis CNC laser welding machine uses three linear axes:

• X axis – horizontal movement
• Y axis – longitudinal or lateral movement
• Z axis – vertical movement or welding-head height adjustment

A 4-axis system adds a rotary axis or head swing for controlled workpiece rotation.While a 5-axis CNC laser welding machine adds both Rotary and Welding Head Swing.The rotary axis controls the rotational position of the workpiece, while the fifth axis controls the forward, backward, left, and right swing angles of the welding head.

This means that the machine can control not only where the laser welding head moves, but also the direction from which the welding head approaches the joint.This is particularly useful when the weld seam cannot be effectively accessed from a fixed vertical direction.

Why Add a Welding Head Swing Axis?

A 3-axis machine can handle many flat and relatively simple welding paths. A 4-axis machine adds controlled workpiece rotation for circular and cylindrical welding.However, some products contain welds that require the welding head to approach the joint from a different direction.

Consider two metal plates forming a 90-degree corner.If the welding head remains vertical, the laser beam may not be positioned correctly relative to the corner joint. Depending on the geometry, the welding head may also have limited physical access to the seam.The additional swing axis allows the welding head to change its angle and approach the weld from the side.

This makes the 5-axis configuration particularly useful for:

• 90-degree corner joints
• T-joints
• Angled welds
• Multi-directional seams
• Curved surfaces
• Difficult-to-access welds
• Three-dimensional components

The actual welding angle depends on the welding head, machine structure, fixture and workpiece geometry.

How Does the 5th Axis Work?

In a 5-axis CNC laser welding machine, the CNC system coordinates the movement of the linear axes, rotary axis and welding-head swing axis.

1. Load the Workpiece

The workpiece is positioned on the worktable or customized fixture. For rotational components, a suitable rotary chuck or rotary fixture can be used.

2. Set the Welding Position

The X, Y and Z axes move the welding head to the required welding position.

3. Adjust the Welding Head Angle

The fifth axis adjusts the welding-head angle according to the programmed welding path.This allows the laser to approach corner or angled joints from a more suitable direction.

4. Start the Welding Program

The laser source begins welding according to the programmed parameters.The CNC controller coordinates the required axis movements during the welding process.

5. Rotate the Workpiece When Required

For circular or cylindrical products, the rotary axis rotates the workpiece while the welding head maintains the required relationship with the weld seam.

6. Complete the Welding Path

After the programmed welding path is completed, the axes return to their programmed positions and the finished workpiece can be removed.For complex products, the CNC controller can coordinate several axes simultaneously to follow the required three-dimensional welding path.

5 Axis Welding for Circular and Cylindrical Components

The rotary axis allows the machine to process products with circular or rotational structures.Typical applications include:

• Pipes
• Tubes
• Rings
• Flanges
• Cylindrical housings
• Shafts
• Sleeves
• Round containers
• Pipe fittings
• Circular covers

For a simple circumferential weld, the workpiece can rotate continuously while the laser welding head follows the programmed welding position.This allows the machine to produce 360-degree circular or circumferential welds without manually rotating the workpiece.For longer cylindrical components, additional supports or customized fixtures can be added according to the workpiece length, weight and diameter.

Applications of the 5th Welding Head Swing Axis

1. 90-Degree Corner Welding

The swing axis is particularly useful for corner joints where the welding head needs to approach the joint from an angled direction.Typical products include:

• Stainless steel cabinets
• Metal enclosures
• Equipment housings
• Sheet metal assemblies
• Machinery frames
• Metal boxes

2. T-Joint Welding

For T-shaped components, the welding head may need to change its orientation to obtain a suitable relationship between the laser beam and the joint.The five-axis system provides more flexibility for these three-dimensional welds.

3. Angled and Multi-Directional Welding

Some products contain several welding surfaces facing different directions.Instead of manually repositioning the workpiece, the CNC system can adjust the welding-head angle according to the programmed path.

4. Curved Surface Welding

The additional axis can help maintain a more suitable welding-head orientation when processing curved or irregular surfaces.

5. Circular and Circumferential Welding

When combined with the rotary axis, the machine can process circular seams around:

• Pipes
• Tubes
• Flanges
• Rings
• Cylindrical housings
• Round fittings

6. Complex 3D Metal Components

The combination of XYZ positioning, workpiece rotation and welding-head angle adjustment makes the machine suitable for components with several welding directions.Applications may include:

• Automotive components
• Industrial equipment
• Machinery components
• Stainless steel assemblies
• Metal housings
• Custom fabricated parts
  

  Welding position samples

What Is the Difference Between the Rotary Axis and the Welding Head Swing Axis?

The two additional axes have different functions.

Rotary axis

→ Rotates the workpiece
→ Positions circular and cylindrical components
→ Enables circumferential welding
→ Allows 360-degree rotational welding

Welding head swing axis

→ Changes the angle of the welding head
→ Improves access to corner and angled joints
→ Allows the laser to approach the seam from different directions
→ Expands the range of three-dimensional welding applications

Therefore, the 5-axis configuration is not simply a 4-axis machine with an additional rotary movement.

The two axes solve different welding problems:

Rotary axis = workpiece orientation

Swing axis = welding-head orientation

What Is the Difference Between a Swing Axis and a Wobble Welding Head?

The welding-head swing axis should not be confused with the wobble function of a laser welding head.

A wobble welding head changes the movement of the laser beam or optical system over the weld area. It is mainly used to modify the effective spot pattern and welding width.The fifth CNC axis changes the physical orientation of the welding head itself.Therefore:

A 5-axis system can use a suitable welding head with wobble functionality if required, but wobble and the CNC swing axis are different functions.

5 Axis vs 3 Axis and 4 Axis CNC Laser Welding

The main difference is the additional control over workpiece rotation and welding-head orientation.

Key Advantages of a 5 Axis CNC Laser Welding Machine

More Welding Directions

The welding-head swing axis allows the laser to approach welds from different directions.

Better Access to Corner Joints

The adjustable welding-head angle makes 90-degree and other angled joints easier to access.

Automated Rotary Welding

The rotary axis can automatically rotate circular and cylindrical workpieces.

360° Circumferential Welding

The workpiece can rotate continuously to produce circular and circumferential weld seams.

Reduced Manual Repositioning

The machine can change the welding position and angle through CNC-controlled movement instead of requiring repeated manual repositioning.

Repeatable Welding Paths

Once the welding program and fixture have been validated, the same multi-axis movement can be repeated for subsequent workpieces.

Wider Application Range

The combination of five-axis movement allows the machine to process a wider variety of flat, curved, circular and three-dimensional components.

Flexible Fixture Integration

Mechanical, pneumatic, hydraulic or customized fixtures can be integrated according to the product.

Materials Suitable for 5 Axis CNC Laser Welding

The machine can be configured for many commonly used metals, including:

Stainless Steel

Common applications include:

• Cabinets
• Enclosures
• Pipes
• Pipe fittings
• Kitchen equipment
• Industrial components
• Machinery assemblies

Carbon Steel

Applications may include:

• Machinery components
• Frames
• Tubular structures
• Sheet metal assemblies
• Brackets
• Industrial equipment

Aluminum

Aluminum can be laser welded with a suitable laser source and process configuration.

Applications include:

• Aluminum housings
• Automotive components
• Tubular structures
• Lightweight assemblies
• Industrial components

Copper and Brass

Copper and copper alloys have higher reflectivity and thermal conductivity, so the laser source, beam characteristics and process parameters need to be selected carefully.

Potential applications include:

• Electrical components
• Connectors
• Terminals
• Copper fittings
• Heat-related components

Titanium and Other Alloys

Titanium and other specialized alloys can be considered for laser welding when the laser system, shielding, joint design and process parameters are properly matched to the material.

Welding samples

How to Choose the Right 5 Axis Laser Welding Machine

The correct machine configuration should be based on the actual workpiece rather than simply choosing the highest laser power.

1. What Material Are You Welding?

Stainless steel, carbon steel, aluminum, copper and other alloys have different welding characteristics.

2. What Is the Material Thickness?

Laser power should be selected according to material, thickness, joint design, welding speed and required penetration.

3. Does the Product Require a Rotary Axis?

If the workpiece contains circular or cylindrical welds, a rotary axis may be required.

4. Does the Welding Head Need to Change Angle?

If the product contains 90-degree corners, T-joints, angled surfaces or difficult-to-access welds, the fifth swing axis can provide additional flexibility.

5. What Is the Workpiece Size?

The standard XYZ working range is:

• X: 1000 mm
• Y: 500 mm
• Z: 600 mm

Larger workpieces may require a customized machine structure.

6. What Is the Workpiece Weight?

The rotary system and fixture need sufficient load capacity for the actual workpiece.

7. What Type of Weld Is Required?

Typical weld types include:

• Corner welding
• Fillet welding
• Butt welding
• Lap welding
• Circumferential welding
• Circular welding
• T-joint welding
• Multi-directional welding

8. Do You Need Filler Wire?

Some joints can be welded without filler, while others may benefit from automatic wire feeding.The requirement should be confirmed through actual welding tests.

9. Do You Need Automation?

For higher-volume production, the machine can be integrated with:

• Customized fixtures
• Automatic loading
• Automatic unloading
• Vision positioning
• Robotic handling
• In-line inspection

5 Axis CNC Laser Welding Machine Applications

The machine can be configured for a wide range of industrial applications, including:

Automotive Components

• Tubular components
• Brackets
• Motor housings
• Exhaust components
• Circular assemblies
• Complex metal structures

Machinery Manufacturing

• Shafts
• Housings
• Frames
• Cylindrical components
• Machine fittings
• Mechanical assemblies

Pipe and Fitting Manufacturing

• Pipes
• Flanges
• Couplings
• Elbows
• Reducers
• Tube fittings
• Pumps and Valves

Electrical and Electronics

• Metal housings
• Connectors
• Terminals
• Sensor housings
• Circular electrical components

Custom Metal Fabrication

The five-axis configuration is also suitable for customized metal products where the welding path includes multiple directions, curved surfaces or difficult-to-access joints.

Why Choose ZS Machinery 5 Axis CNC Laser Welding Machine?

A CNC laser welding machine is a long-term production investment. At ZS Machinery, we focus on building machines that are solid, reliable and practical for industrial use.

Solid Machine Construction

We pay attention to the machine frame, linear motion system, welding-head movement, worktable and rotary-axis structure to provide a stable foundation for repeatable welding.

Reliable Components

We select laser sources, welding heads, servo systems, controllers, electrical components, cooling systems and other components according to the complete machine configuration rather than simply focusing on the laser source.

Application-Based Configuration

The right five-axis machine depends on the actual workpiece.We can configure the machine according to the material, thickness, joint design, workpiece size, welding direction, rotary requirements and production volume.

Experienced Laser Solutions

With experience across laser welding, cutting and marking applications, we understand that different products require different machine configurations.A 3-axis, 4-axis, 5-axis or robotic system should be selected according to the actual welding process.

Reliable After-Sales Support

Our support continues after delivery, including installation guidance, operator training, remote technical assistance, troubleshooting and spare-parts support.From machine construction and component selection to application testing and after-sales service, ZS Machinery focuses on providing a dependable laser welding solution for long-term production.

Get a 5 Axis CNC Laser Welding Solution for Your Application

If your products include 90-degree corner joints, T-joints, angled welds, cylindrical components, circular seams, curved surfaces or other multi-directional welds, a 5-axis CNC laser welding machine may provide a more flexible solution than a standard 3-axis or 4-axis system.ZS Machinery can configure the system according to your:

• Material
• Thickness
• Workpiece dimensions
• Workpiece weight
• Welding type
• Welding angle
• Rotary requirements
• Production volume
• Automation requirements

Send us your workpiece drawings, photos or samples to discuss the right 5-axis CNC laser welding configuration for your application.