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Friction Stir Welding

Designing and building the most advanced FSW technology on the market.

PAR Systems designs and implements friction stir welding (FSW) machines that are powered by the most advanced friction stir welding technology on the market: I-STIR™. These FSW machines allow our customers to realize the full benefits of the FSW process, producing higher quality components that are lightweight, strong, and durable.

FSW machines from PAR weld critical components for the aerospace, commercial aviation, automotive, and defense industries. Nevertheless, the superior weld quality produced by FSW allows it to have almost limitless potential for improving products across industries for even more applications such as rail cars, hermetically sealed containers, and nuclear waste storage. Read more about the I-STIR software and the PAR’s success in FSW applications.

Launch of ULA Vulcan Centaur

PAR Systems Friction Stir Welding Technology Propels ULA Vulcan Centaur to New Heights in Space Exploration

At the core of Vulcan Centaur rocket's achievement is friction stir welding technology. It allows lighter rocket tanks, so the rocket can launch larger satellites into space.
Gantry style friction stir welding joining aluminum alloys

What is Friction Stir Welding?

Friction stir welding is a solid state welding process that uses heat from friction to weld high-strength metals such as aluminum alloys.
Liquid Hydrogen tank for space launch vehicle manufactured using friction stir welding.

Friction Stir Welding for Cryogenic Tank Manufacturing

Learn about the benefits of friction stir welding in the manufacturing of cryogenic tanks and the types of welds used when making a tank.
completed friction stir welded cryogenic tank section being lifted with crane

NASA’s SLS Artemis Moon Mission and PAR Systems’ Friction Stir Welding

Watch our news feature highlighting how PAR Systems contributed equipment and support to the Artemis 1 launch.
Jim Freeman PAR Systems

In The News: PAR Systems Featured for Participation in Artemis l Launch

Watch our news feature highlighting how PAR Systems contributed equipment and support to the Artemis 1 launch.
PAR Systems Friction Stir Welding Machine

PAR Systems brings proprietary friction stir welding to high-tech manufacturing

PAR Systems' I-STIR friction stir welding technology improves weld quality, speed, and safety, offering higher joint strength and reduced distortions for various industries.
Friction Stir Welding Tool

PAR Systems, Inc. Launches New Product, Intelligent Robotic Friction Stir Welding for Industry and Research (I-RoboSTIR)

PAR Systems launched the I-RoboSTIR robotic welding system, utilizing Friction Stir Welding for high-accuracy, eco-friendly welds on 3D parts at high speeds.
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Related Capabilities and Industries

Close up of friction stir welding machine in action

Friction Stir Welding

PAR Systems’ friction stir welding systems are driven by innovative I-STIR technology. Contact us today to learn more and discuss your friction stir welding needs.
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Space launch vehicle on launch pad before liftoff.

Friction Stir Welding in the Aerospace Industry

Friction Stir Welding is a joining process used in the aerospace industry for high-strength, lightweight, and precise welding of space vehicles and components.
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Friction stir welding machine performing circumferential weld

Friction Plug Welding

The friction plug welding system from PAR Systems is a complete integrated PWS that offers precision control, optimal plug weld quality, and forge actuator technology.
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