Loong Aerospace Assembly Series

Friction Stir Welding Equipment

Automated friction stir welding for large structural assemblies.

TOPNC Friction Stir Welding Equipment is designed for automated welding of large lightweight structures, tank components and demanding aerospace assemblies. The system combines mature welding processes, high-power spindle technology and 5-axis welding capability for precise and repeatable joining workflows.

FSW
Control Systems

Siemens and Heidenhain CNC control options.

TOPNC machines can be configured with Siemens or Heidenhain control systems, depending on machine type, application requirements and customer production standards.
01

Siemens CNC

Reliable control technology for stable operation and demanding production environments.
02

Heidenhain CNC

Precision-focused control for complex milling, contours and high-accuracy workflows.
03

Configured by Application

Control system selection depends on machine type, process and customer requirements.
System Concept

High-power friction stir welding for demanding structural components.

The system is built for automated friction stir welding processes where component size, weld quality and process stability are critical. It supports advanced welding strategies for large assemblies and can be integrated into specialized aerospace, space and rail production workflows.

Welding capability

5-Axis Friction Stir Welding

A self-developed heavy-duty 5-axis swivel head and high-power welding spindle enable complex welding paths and coordinated multi-axis welding processes.

5-Axis

Welding capability

High-power

Welding spindle

Heavy-duty

Swivel head

Process support

Multiple FSW Processes

The equipment supports mature friction stir welding processes for different component geometries, materials and assembly requirements.

Single-shoulder

Welding process

Double-shoulder

Welding process

Retractable

Welding process

Intelligent control

Controlled Welding Process

Intelligent control functions such as constant-force control, constant-displacement control and automatic positioning help stabilize the welding process and improve repeatability.

Constant force

Process control

Constant displacement

Process control

Automatic positioning

Welding support

Large structures

Automated Welding for Tank Structures

The system supports automated welding of longitudinal seams, circumferential seams and flange-hole areas on large tank and structural assemblies.

Longitudinal seams

Tank structures

Circumferential seams

Large assemblies

Flange holes

Automated welding

01

Automated Joining

Automated friction stir welding supports stable, repeatable and scalable joining processes for large lightweight structural components.

02

Advanced Process Capability

Support for multiple FSW processes gives manufacturers more flexibility when handling complex weld paths, component geometries and production requirements.

03

Stable Weld Quality

Constant-force and constant-displacement control help improve process stability and support consistent welding results across demanding assemblies.

04

Large-Structure Integration

The equipment is suitable for integration into production concepts for large aerospace, space and rail structures where automated welding and precise process control are required.

Technical Data

Key technical capabilities of the Friction Stir Welding Equipment.

The system is described through its core process capabilities: 5-axis friction stir welding, high-power welding spindle technology, intelligent process control and support for multiple welding strategies. Detailed project-specific specifications can be defined based on component size, material and production requirements.

ParameterSpecification
Machine typeFriction Stir Welding Equipment
ProcessFriction Stir Welding
Welding capability5-axis welding capability
Welding headSelf-developed heavy-duty 5-axis swivel head
Spindle conceptHigh-power welding spindle
Process experienceMore than 10 years of large friction stir welding equipment manufacturing and mature process experience
Supported processesSingle-shoulder welding; double-shoulder welding; retractable welding; plug repair welding
Tooling capabilityMature welding fixture capability
Automated welding focusAutomated welding of tank longitudinal seams, circumferential seams and flange-hole areas
Control functionsConstant-force control; constant-displacement control; automatic positioning
Application focusLarge lightweight structures, tank components and demanding aerospace assemblies
ConfigurationProject-specific / customized
Data noteTechnical capability overview based on the official TOPNC product page; no model-specific numeric specification table is published there
Photo Gallery

Impressions from friction stir welding equipment and assembly applications.

This gallery presents a mixed visual selection from friction stir welding equipment, welding heads, structural assemblies and application-related production environments. The images are not separated by configuration and provide a broader impression of the system as a whole.

Loong Aerospace Assembly Series

Related machines in this series.

The Aerospace Assembly Series combines automated joining and drilling technologies for large structural components. While Friction Stir Welding Equipment focuses on automated welding, the RDS systems support robotic and mobile automatic drilling workflows.

Robotic Drilling

Robotic Drilling System – RDS210 & RDS300

Robotic drilling system for automated hole-making in aerospace assembly, designed to support repeatable drilling, positioning and process reliability on large structural components.

Mobile Robotic Drilling

Mobile Robotic Automatic Drilling System – RDS500

Mobile robotic automatic drilling system for flexible hole-making workflows on large components, especially where workpiece size, production layout or assembly sequence require movable automation.

Talk to TOPNC

Need a friction stir welding solution for large structures?

Talk to TOPNC about component size, material, weld geometry, process requirements and production integration. Based on your assembly workflow, we can help define the right friction stir welding concept for your manufacturing environment.