Lincoln Electric has advanced its energy-efficient submerged arc welding (SAW) and wire arc additive manufacturing (WAAM) systems, aimed at heavy fabrication.
The engineering target is a familiar tension solved better: reduce heat input to limit distortion, while raising deposition rates so big parts get built or clad faster.
WAAM in particular blurs the line between welding and additive — using the arc to grow large metal parts near-net-shape rather than machining them from billet.
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