TRIALLIANCE FABRICATING, a steel fabricator, subcontracted VSR Technology to stress relieve a second mild steel, welded Trunnion Base. The workpiece was, 28′ x 8′ x 1.5′ and consisted of 2 heavy-walled, rigid 28′ beams joined by 3 much lighter structural cross members. A similar workpiece had been successfully threaded (based on dimensional stability during machining, and subsequent assembly and usage in January, 2004).

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