Advantages and Benefits of our Rotary Friction Welding Machines

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

Energy Efficiency

Usage of regenerative braking helps save energy, thereby making the machines more energy efficient.

Maintenance Free Operation

ETA’s innovation in spindle rotation allows an almost maintenance free operation throughout the lifetime of the machine

High Accuracy

Our clamping system assures you a centering within 30 microns


Spindle driven by AC servo motor. Welding force is provided by servo hydraulic cylinders in closed loop control system. Pressure transducer/load cell and linear scale feedback is used for load and displacement control.

Real Time Feedback

Our machines provide real time metrics of important parameters like axial thrust, spindle speed, loss of length and spindle torque during weld cycle.

In-Process Quality

Completely in-process quality check ensures the output job is free from defects. Joint is as strong as or stronger than the parent material

Short Cycle Time

Rotary Friction Welding machines have the benefit of short cycle times (few seconds). Our machines are optimized further to achieve optimal welding time by taking into account the job dynamics

Industry 4.0 Ready

Our machines are continuously evolving to support Industry 4.0 and connected manufacturing. Product operational metrics can be monitored and analyzed remotely on a continuous basis.

Below are a representative list of our machines under Rotational Friction Welding category.

Models 3T 6T 15T 20T 20T 30T 40T 60T 100T 125T 150T 200T
Max Forge Welding Force in kN 30 60 100 150 200 300 400 600 1000 1250 1500 2000
*Weld Cross Sectional area in mm2 250 500 830 1250 1665 2550 3330 5000 8330 10415 12500 16660

*Only indicative – Assumed Forge Pressure = 12kg/mm2 – MS Material

We offer the following series of machines under the Rotational Friction Welding category.
ETA is primarily in the business of building custom solutions and hence the above list is just indicative.

3 Ton Machine
6 Ton Machine
6 Ton-Vertical Machine
6 Ton-Slant Bed Machine
15 Ton
20 Ton Machine
20 Ton Dual Sliding
125 Ton-Twin Head Machine
150 Ton-Horizontal Machine
200 Ton-Horizontal Machine

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