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Title:
CONTINUOUS CASTING METHOD
Document Type and Number:
Japanese Patent JPS6330165
Kind Code:
A
Abstract:

PURPOSE: To enable dealing to the breakage of solidified shell at suitable timing by measuring continuously the mold temp. at the point which start to form the solidified shell in molten metal and controlling the drawing work of molten metal based on the measured temp.

CONSTITUTION: The measurement of mold temp. T°C at the lower end of inner wall 2a is executed by thermocouple 7. At the time after starting of drawing, in case of becoming to -4°C/sec>T temp. changing rate of the mold temp. at T°C, it is judged that the breakout has been developed and then, the drawing is stopped and the casting pipe during drawing is pushed into a die 1 by the prescribed length. And, the end part of casting pipe pushed into is fused together with the solidified shell remained in the die 1,and then, the drawing work is reopened. At the time of dissolving the breakout accident, rise of mold temp. T°C is started and soon casting operation is returned back to the steady state.


Inventors:
TAKEUCHI KATSUYUKI
TOSHIMA TOSHIO
SUDO YUTAKA
Application Number:
JP1986000173332
Publication Date:
February 08, 1988
Filing Date:
July 22, 1986
Export Citation:
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Assignee:
KUBOTA LTD
International Classes:
B22D11/16; B22D11/20; (IPC1-7): B22D11/16; B22D11/20
Domestic Patent References:
JPS6146362A1986-03-06