Обучение чтению литературы на английском языке по специальности «Обработка металлов давлением» (120,00 руб.)

Коновалова ОБУЧЕНИЕ ЧТЕНИЮ ЛИТЕРАТУРЫ НА АНГЛИЙСКОМ ЯЗЫКЕ ПО СПЕЦИАЛЬНОСТИ «ОБРАБОТКА МЕТАЛЛОВ ДАВЛЕНИЕМ» Методические указания Издательство МГТУ им. <...> Коновалова. — М.: Издлийском языке, лексические и грамматические упражнения, позволяющие овладеть необходимой терминологией по специальности, развить навыки пони мания и перевода научно-технической литературы, а также усовершенствовать навыки устной речи. ные Для студентов старших курсов факультета «Машиностроительталлов давлением». и Рекомендовано Учебно-методической комиссией НУК ФН МГТУ о МГТУ им. <...> Баумана. технологии», обучающихся по специальности «Обработка меУДК 802.0 ББК 81.2 Англ-923 2 © МГТУ им. <...> Hot forging is done at high temperature, which makes metal easier to shape and less likely to fracture. <...> It was done historically by a smith using a hammer and an 4 FI. <...> METAL WORKING TECHNOLOGIES orging is the term for shaping metal by using localized of iron date to the 12th century, the hammer and anvil are not obsolete. <...> The smithy has evolved over centuries to the forge shop with engineered processes, production equipment, tooling, raw materials and i products to meet the demands of modern industry. <...> Smaller power hammers, 500 pounds or less reciprocating weight, and hydraulic bresses are common in art smithies as well. <...> Steam hammers are ftronger than cast or machined metal parts. <...> As the metal is pounded the grains deform to follow the shape of the part, thus the grains are unbroken throughout the part. <...> Some modern parts take advantage of this for a high strengtho-weight ratio. a Many metals are forged cold, but iron and its alloys are almost sorging dies are either flat or rounded. <...> Large forgings can be formed by perator requires less skills. <...> Hydraulic presses and forging machines are both employed in closed i die forging. <...> This is for two reasons: first, if work hardening were bllowed to progress, hard materials such as iron and steel would secome extremely difficult to work with; secondly, steel can be etrengthened by other means than cold working, thus it is more pconomical to hot forge and then <...>