built-up mandrel
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Electroforming — is a highly specialized process of metal part fabrication using electrodeposition in a plating bath over a base form or mandrel which is subsequently removed. Technically, it is a process of synthesizing a metal object by controlling the… … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
Metal spinning — A brass vase spun by hand. Mounted to the lathe spindle is the mandrel for the body of the vase a shell sits on the T rest. The foreground shows the mandrel for the base. Behind the finished vase are the spinning tools used to shape the metal.… … Wikipedia
military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… … Universalium
Nevada National Security Site — Nevada Test Site November 1951 nuclear test at Nevada Test Site. Test is shot Dog from Operation Buster, with a yield of 21 kilotonnes of TNT (88 TJ). It was the f … Wikipedia
Phonograph cylinder — Two Edison cylinder records (on either end) and their cardboard storage cartons (center) Phonograph cylinders were the earliest commercial medium for recording and reproducing sound. Commonly known simply as records in their era of greatest… … Wikipedia
metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… … Universalium
Expansion joint — For the railway specific expansion joints, see Breather switch. Expansion joint on a bridge An expansion joint or movement joint is an assembly designed to safely absorb the heat induced expansion and contraction of various construction materials … Wikipedia
aerospace industry — Introduction assemblage of manufacturing concerns that deal with vehicular flight within and beyond the Earth s atmosphere. (The term aerospace is derived from the words aeronautics and spaceflight.) The aerospace industry is engaged in the … Universalium
Milling machine — For the machine used in road construction, see Asphalt milling machine. Not to be confused with mill (grinding). Example of a bridge type CNC vertical milling center … Wikipedia
Chuck (engineering) — Self centering three jaw chuck and key with one jaw removed and inverted showing the teeth that engage in the scroll plate. The scroll plate is rotated within the chuck body by the key, the scroll engages the teeth on the underside of the jaws… … Wikipedia
