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    Manufacturing method for continuously cast product of steel
    11.
    发明授权
    Manufacturing method for continuously cast product of steel 有权
    钢连续铸造产品的制造方法

    公开(公告)号：US07156148B2

    公开(公告)日：2007-01-02

    申请号：US11085350

    申请日：2005-03-21

    申请人： Yukinori Iizuka ,  Yutaka Awajiya ,  Masayuki Nakada ,  Makoto Suzuki ,  Koichi Tsutsumi

    发明人： Yukinori Iizuka ,  Yutaka Awajiya ,  Masayuki Nakada ,  Makoto Suzuki ,  Koichi Tsutsumi

    IPC分类号： B22D11/16 ,  B22D11/20 ,  B22D11/22

    CPC分类号： G01N29/50 ,  B22D11/1206 ,  B22D11/16 ,  B22D11/163 ,  B22D11/20 ,  B22D11/225 ,  G01N29/2412 ,  G01N29/343 ,  G01N29/348 ,  G01N29/449 ,  G01N2291/0251 ,  G01N2291/0421 ,  G01N2291/0422 ,  G01N2291/048 ,  G01N2291/102

    摘要： A manufacturing method for a continuously cast product of steel includes the steps of detecting a position of a crater end of the product by a method for measuring a solidification state of the continuously cast product using a sensor arranged so as to be in non-contact with the product, and controlling at least one condition selected from the conditions of the casting speed and the quantity of secondary cooling water based on the detected position of crater end. The method for measuring a solidification state of continuously cast product includes the steps of transmitting transverse waves of burst-like electromagnetic ultrasonic waves, in which at least one selected from frequency, amplitude, and phase is modulated within a pulse width that has a magnitude of 50 to 150% of the maximum time width not exceeding a time of flight for propagating in said product, to said product as a transmitting signal, receiving a signal after said transmitting signal propagates in said product as a receiving signal, and judging the solidification state of said product by performing a correlation operation of said receiving signal by using a reference signal of a waveform that is the same as or similar to said transmitting signal.

    摘要翻译： 钢的连续铸造制品的制造方法包括以下步骤：通过使用传感器来检测连续铸造产品的凝固状态的方法来检测产品的端部的位置，所述传感器被布置为不与 基于检测到的火山口端的位置，控制从铸造速度和二次冷却水量的条件中选择的至少一种状态。 用于测量连续铸造产品的凝固状态的方法包括以下步骤：发射脉冲状电磁超声波的横波，其中从频率，幅度和相位中选择的至少一个在具有幅度 将最大时间宽度的50至150％不超过用于在所述产品中传播的飞行时间，作为发送信号发送到所述产品，在所述发送信号之后接收信号作为接收信号在所述乘积中传播，并且判断凝固状态 通过使用与所述发送信号相同或类似的波形的参考信号来执行所述接收信号的相关操作。