NASA NTRS · 19920000553
Cheaper Custom Shielding Cups For Arc Welding
Abstract
New way of making special-purpose shielding cups for gas/tungsten arc welding from hobby ceramic greatly reduces cost. Pattern machined in plastic. Plaster-of-paris mold made, and liquid ceramic poured into mold. Cost 90 percent less than cup machined from lava rock.
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Morgan, Gene E.. 1992-09-01. Cheaper Custom Shielding Cups For Arc Welding. https://ntrs.nasa.gov/citations/19920000553
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