What is Friction Stir Welding

Friction Stir Welding (FSW) is an advanced solid-state welding process wherein by rotating a specially engineered tool at high speeds, FSW generates heat through friction to soften the materials without melting them. The tool then stirs the softened metals together, creating a continuous, robust weld. This innovative approach ensures a flawless, high-strength bond with exceptional precision and minimal thermal distortion, making FSW ideal for demanding applications across various industries.

Minimal Distortion

Enjoy low-distortion welding that maintains the integrity of your materials with precision.

Swift and Strong

Achieve faster welds with exceptional seam strength, ensuring robust and reliable joints.

Sustainable

Lower energy consumption as it doesn't melt the material, no spatter or fumes and no consumables.

Reliable and Repeatable

Once the welding parameters are defined, FSW assures joints

Key Features of our Friction Stir Welding(FSW) Machines

Below are some of the key features of our machines which makes them among the best in the world.

Joint Configurations

ETA FSW machines are capable of handling a variety of joint configurations, including but not limited to: Butt Joints, Lap Joints, Corner Joints, Cir Seam Joints & T-Joints.

Specialized Tooling

ETA’s FSW technology also allows for customized tool design. This flexibility extends to tool geometry, materials, and cooling systems, enabling you to achieve optimal weld quality, even for unique material combinations or challenging applications.

Better than Fusion welding

Being a Solid-state welding process, Friction Stir Welding eliminates most of the defects including porosity, solute redistribution and soldification cracking.

Flexible Solutions

We offer Standard and custom FSW solutions which include standalone machine as well as fully automated cells, small batch contract manufacturing and part re-engineering/qualification.

Friction Stir Welding Machine - General Specifications

  • The machine can be built to cater to various axial loads and job sizes
  • Machine can be supplied in single or double column configuration
  • To maintain tool angle in linear welding the head can be tilted manually
  • Machines can be made in a single head or dual head mode

Compact Friction Stir Welding Machines

Specifications
The machine shown on this page is capable of providing up to 100 kN axial thrust to the stir welding tool and can accommodate a job size of 350mm x 200mm x100mm (L x B x H).

It is useful for joining high strength aerospace aluminum alloys and other metallic alloys that are hard to weld using conventional fusion welding.

Aerospace
Compact Series FSW

Large Friction Stir Welding Machines

Specifications
This model is capable of providing up to 100 kN axial thrust and is used for large jobs. Ideal for large-scale structures such as ship hulls, aircraft fuselages, wind turbine components, and rail vehicles, where high-strength, defect-free welds are crucial for structural integrity. We follow an Engineer-To-Order(ETO) process and hence the specification of each machine varies as desired by customer requirements.

It is useful for joining high strength aerospace aluminum alloys and other metallic alloys that are hard to weld using conventional fusion welding.

Aerospace
Large Series FSW

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