Text 1Four general types of cutting fluids aremonly used in machining operations: oils, emulsions, semisynthetics, and syntheticsOils maintain high film strength on the surface of a metal, as we
Text 1Metals are found everywhere in our life They are classified into two categories, “ferrous” and “non-ferrous” metals Ferrous means relating to, or containing iron and non-ferrous means having n
Text 1Four general types of cutting fluids aremonly used in machining operations: oils, emulsions, semisynthetics, and syntheticsAn emulsion is admixture of two immiscible liquids (usually of oi
Text 1Low-melting alloys are so named because of their relatively low melting points The major metals in this category are lead, zinc, and tin and their alloys Lead(Pb) has properties of high densit
Text 1Alloy steels contain significant amounts of alloying elements Structural-grade alloy steels, as identified by ASYM specifications,are used mainly in the construction and transportation Industr
Text 1In addition to being familiar with the mechanicalponents, to be an effective engineer one should also have some hands-on experience with the machine tools and machining technique that one
Text 1The relative severity of various machining operations is defined as the magnitude temperatures and forces encountered the tendency for built-up edge formation, and the ease with which chips ar
Text 1The marketing department conducts market research and advertises, packages, sells, and distributes the product Market researchers do surveys to see what consumers want, if they like their prod
Text 1The engineering department designs, produces, and tests the first model of a new product These first models are called prototypes In the engineering department, scientists conduct tests and ex
Text 1By virtue of their wide range of mechanical, physical, and chemical properties, ferrous metals and alloys are among the most useful of all metals Ferrous metals and alloys contain iron as thei
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