Gimballed Shoulders for Friction Stir Welding
Marshall Space Flight Center, Alabama
Tuesday, January 01 2008
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Digging of edges of shoulders into workpieces would be reduced or eliminated.
In a proposed improvement of tooling for friction stir welding, gimballed shoulders would supplant shoulders that, heretofore, have been fixedly aligned with pins. The proposal is especially relevant to self-reacting friction stir welding.
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