Advantages and Benefits of our Rotary Friction Welding Machines

ETA has designed and supplied a range of cost effective Friction Welders of capacity ranging from 15kN to 2000kN across industries. Machines are available in vertical, horizontal or inclined configurations with or without tie rods and can supplement your lean manufacturing practices. Machines are also offered with twin heads, built-in or standalone deflash units, automatic component loading/ unloading systems, special vices for welding unlimited rod/ pipe length etc.

Our machines are designed to be energy efficient, assure you an industry leading accuracy of weld length and orientation and a fully automated operation. A key feature is our assurance of consistency in output quality while completely removing the need for a skilled operator.

Below are a few other key features of our products.

Energy Efficiency

Regenerative braking helps save energy, thereby making our Friction Welding machines(Friction Welders) more energy efficient.

High Accuracy

The clamping system in our Rotary Friction Welding machines assure you a centering within 30μ.

Maintenance Free Operation

Our innovation in spindle rotation allows an almost maintenance free operation throughout the lifetime of the machine


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 Rotary Friction Welding 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.

Shown below are a representative list of machines under Rotary 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

ETA follows an Engineered-To-Order(ETO) process in most of the cases since building a product starts with understanding customer requirements. Shown below are a subset of Friction Welders that we have built for our customers and are operational worldwide.

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