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.
Cheaper Custom Shielding Cups For Arc Welding
NASA Tech Briefs ; 16 , 9
01.09.1992
Sonstige
Keine Angabe
Englisch
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