FIELD: metallurgy. SUBSTANCE: device for casting tubes has vertical crystallizer, water-cooled shaped rolls, mandrel and casting start-up fastened through the center of crystallizer. Shaped rolls are used as auxiliary crystallizer and shaped rolls as such are mounted horizontally and are mated with top part of vertical crystallizer along generatrix, and vertical crystallizer is composed of two sections. Top section whose inner wall length is equal to 0.6-1.2 of diameter of rolls is fixed, and bottom section whose inner wall length is equal to 1.0-2.0 of diameter of rolls is mounted for vertical vibration synchronically with mandrel. Bottom part of crystallizer and mandrel are mounted for adjustment of amplitude and vibration frequency. EFFECT: enhanced operating reliability. 2 cl, 2 dwg
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Authors
Dates
1994-01-30—Published
1992-09-16—Filed