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    • 5. 发明授权
    • Oscillation method and apparatus for a continuous casting mold
    • 连续铸造模具的振荡方法和装置
    • US4883114A
    • 1989-11-28
    • US301605
    • 1989-01-24
    • Manfred Wolf
    • Manfred Wolf
    • B22D11/04B22D11/053B22D11/16
    • B22D11/053
    • Steel is teemed into one end of a continuous casting mold to form a continuously cast strand which is withdrawn through the other end of the mold.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.
    • 钢被连铸成一端,形成连续铸造的线,该连续铸造线通过模具的另一端被拉出。 模具振动,并且股线通过小于每分钟1.2米的第一范围加速,并且第二速度范围大于该值。 随着线材在第一范围内加速,振荡频率从保持冲程常数的每分钟60到120个循环之间的值增加到每分钟120到200个循环之间的值。 另一方面,当线束在第二范围内加速时,振荡频率保持恒定,行程随绞线速度增加。 在两个范围内都保持负带状态,在每个振荡周期内发生负带的时间约为0.1秒。