Oscillation method and apparatus for a continuous casting mold

Details Oscillation method and apparatus for a continuous casting mold Oscillation method and apparatus for a continuous casting mold

1989-01-24

1989-11-28

Seidel, Richard K.

Metal founding

Process

Shaping liquid metal against a forming surface

164154, 164416, 164452, B22D 1104, B22D 1116

Patent

active

048831140

ABSTRACT:
Steel is teemed into one end of a continuous casting mold to form a continuously cast strand which is withdrawn through the other end of the mold. The mold is oscillated and the strand is accelerated through a first range of speeds less than 1.2 meter per minute and a second range of speeds greater than this value. As the strand accelerates through the first range, the oscillation frequency is increased from a value between 60 and 120 cycles per minute to a value between 120 and 200 cycles per minute while holding the stroke constant. On the other hand, when the strand accelerates through the second range, the oscillation frequency is maintained constant and the stroke is increased with strand speed. A condition of negative strip is maintained in both ranges and the time for which negative strip occurs during each oscillation cycle approximates 0.1 second.

REFERENCES:
Abstract of Japanese Patent Publication, 61-162256, Published Jul. 22, 1986.

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