duplicate-milling
Смотреть что такое "duplicate-milling" в других словарях:
Turret lathe — Hartness 3x36 flat turret lathe with cross sliding head, equipped for bar work, 1910.[1] The turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are… … Wikipedia
Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… … Wikipedia
Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… … Wikipedia
pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th … Universalium
Key blank — A key blank (sometimes spelled keyblank) is a key that has not been cut to a specific bitting. The blank has a specific cross sectional profile to match the keyway in a corresponding lock cylinder. Key blanks can be stamped with a manufacturer… … Wikipedia
Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… … Wikipedia
Punch (tool) — For punches used in punch presses, see Punching. A punch is a hard metal rod with a shaped tip at one end and a blunt butt end at the other, which is usually struck by a hammer. Punches are used to drive objects, such as nails, or to form an… … Wikipedia
Middlings purifier — A middlings purifier is a device used in the production of flour to remove the husks from the kernels of wheat. It was developed in Minnesota by Edmund LaCroix, a French inventor hired by Cadwallader C. Washburn and George Christian of the… … Wikipedia
Pantograph — A pantograph (from Greek roots παντ all, every and γραφ to write , from their original use for copying writing) is a mechanical linkage connected in a special manner based on parallelograms so that the movement of one specified point is an… … Wikipedia
Engraving — A copperplate engraver at work Engraving is the practice of incising a design on to a hard, usually flat surface, by cutting grooves into it. The result may be a decorated object in itself, as when silver, gold, steel, or glass are engraved, or… … Wikipedia
Islamic Golden Age — The Islamic Golden Age, also sometimes known as the Islamic Renaissance, [Joel L. Kraemer (1992), Humanism in the Renaissance of Islam , p. 1 148, Brill Publishers, ISBN 9004072594.] was traditionally dated from the 8th century to the 13th… … Wikipedia
