razrabotka texnologicheskogo protsessa izgotovleniya otlivok v razovix peschano-glinistix formax
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prakticheskaya rabota – 4 razrabotka texnologicheskogo protsessa izgotovleniya otlivok v razovix peschano-glinistix formax tsel raboti: razrabotka texnologicheskogo protsessa izgotovleniya otlivki nachinaetsya s vibora sposoba litya, polojeniya otlivki v liteynoy forme i naneseniya na chertyoj detali elementov liteynoy formi. 1. opredelenie polojeniya otlivki v liteynoy forme i ploskosti raz'yoma formi i modeli polojenie otlivki v forme i ploskost eyo raz'yoma vibirayut na osnove sleduyushix polojeniy: 1. raspolagat po vozmojnosti otlivku v odnoy poluforme, a naibolee otvetstvennie poverxnosti detali s naimenshey sheroxovatostyu — nijnimi ili bokovimi. 2. soblyudat printsip napravlennoy kristallizatsii. dlya etogo massivnie i tolstie chasti otlivki raspolagat vverxu, bolee tonkie — vnizu. ...
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