METHOD FOR REDUCTION OF UNINTERRUPTEDLY-CAST BLOOMS AND BILLETS IN LIQUID-SOLID STATE

METHOD FOR REDUCTION OF UNINTERRUPTEDLY-CAST BLOOMS AND BILLETS IN LIQUID-SOLID STATE

The method for reduction of uninterruptedly-cast blooms and billets in liquid-solid state includes the reduction of blooms and billets, which is carried out in the stands located along the length of ingot in the area of final hardening. During the first stage the central sections of ingot are reduce...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SMYRNOV YEVHEN MYKOLAIOVYCH, SMIRNOV OLEKSII MYKOLAIOVYCH, BIELOBROV YURII MYKOLAIOVYCH
Format: Patent
Sprache:eng
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:The method for reduction of uninterruptedly-cast blooms and billets in liquid-solid state includes the reduction of blooms and billets, which is carried out in the stands located along the length of ingot in the area of final hardening. During the first stage the central sections of ingot are reduced with shaped roller pairs of the first row on the width, which is equal to 80-90 % of the width of liquid phase with the degree of deformation of 0.6-1.2 %, and during the second stage the previouslyundeformed boundary sections of ingot are reduced by smooth roller pairs of the second row with the overlap on the width of the face of ingot for the value, which makes not less than the half of the value of previously undeformed central section with the liquid phase with the degree of deformation of 0.8-1.4 %.