table de tolérances
1machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …
2Engineering tolerance — is the permissible limit or limits of variation in a physical dimension, a measured value or physical property of a material, manufactured object, system, or service, other measured values (such as temperature, humidity, etc.). in engineering and …
3steel — 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 …
4MACHINES-OUTILS — L’expression «machine outil» contient en elle même sa définition: un matériel ayant pour but de faire mouvoir l’outil par une transmission actionnée au moyen d’un moteur, au lieu de la laisser manier par la main de l’ouvrier. D’une manière plus… …
5Forging — This article is about the metalworking process. For specific hot forging hearth, see forge. For the act of counterfeiting, see forgery. Hot metal ingot being loaded into a hammer forge Forging is a manufacturing process involving the shaping of… …
6Aulacomnium palustre — Taxobox image caption = regnum = Plantae divisio = Bryophyta classis = Bryopsida subclassis = Bryidae ordo = Bryales familia = Aulacomniaceae genus = Aulacomnium species = A. palustre binomial = Aulacomnium palustre binomial authority = (Hedw.)… …
7Sheet metal — Sheets of stainless steel cover the Chrysler Building …
8Lathe (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… …
9Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… …
10Charles Babbage — in 1860 Born 26 December 1791( …
