Word: welds
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Dates: during 1960-1969
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Electron Cutter. United Aircraft Corp.'s Hamilton Standard Division (propellers) will put on the market a machine, developed by West Germany's Carl Zeiss Foundation, that uses electron beams to weld, mill and drill hair-fine holes in the hardest known materials, e.g., quartz, tungsten, zirconium. An electron gun fires beams that boost the temperature on the surface of the material up to 11,000° F. ; it can cut 100 holes in a straight line across a pinhead, drill a sapphire watch bearing in six seconds, weld a tough nu clear reactor core. Lease price: about...