Method for detecting eccentricity and phase angle of working or backing roll in rolling mill
    41.
    发明授权
    Method for detecting eccentricity and phase angle of working or backing roll in rolling mill 失效
    用于检测轧制机中工作或后辊的偏心和相角的方法

    公开(公告)号:US3709009A

    公开(公告)日:1973-01-09

    申请号:US3709009D

    申请日:1970-10-22

    CPC分类号: B21C37/12 B21B37/66

    摘要: A method for detecting an eccentricity and phase angle (an angle formed between a predetermined point of a roll and a point at which the maximum eccentricity occurs) of a working or backing roll in a rolling mill without use of detectors directly attached to the peripheral surface of the roll is provided. The rolling pressure is sampled, quantized and fed into an arithmetic unit for calculating the eccentricity and phase angle of the roll based upon the following relations:

    摘要翻译: 一种用于检测在轧机中的工作辊或背衬辊的偏心率和相位角(在辊的预定点和最大偏心发生点之间形成的角度)的方法,而不使用直接附接到周面的检测器 提供卷。 根据以下关系,对轧制压力进行采样,量化并馈送到用于计算辊的偏心率和相位角的运算单元中:

    Gage control for multistand rolling mill
    42.
    发明授权
    Gage control for multistand rolling mill 失效
    多辊轧机焊管控制

    公开(公告)号:US3566639A

    公开(公告)日:1971-03-02

    申请号:US3566639D

    申请日:1968-11-21

    申请人: GEN ELECTRIC

    发明人: DORNBUSCH PAUL E

    IPC分类号: B21B37/18 B21B37/16 B21B37/02

    CPC分类号: B21B37/165

    摘要: AN APPARATUS FOR CONTROLLING THE GAGE OF A METAL STRIP FROM ONE STAND OF A MULTISTAND ROLLING MILL HAVING AT LEAST TWO STANDS BY CONTROLLING THE SPEED OF ONE OF THE STANDS IN RESPONSE TO A SIGNAL FROM AN X-RAY GAGE, POSITIONED BETWEEN THESE STANDS, WHICH REPRESENTS DEVIATION FROM EXPECTED GAGE, DELAYED FOR A PERIOD OF TIME EQUAL TO THE TRANSPIORT TIME FOR THAT PORTION OF STRIP CONTAINING THE DEVIATION TO MOVE FROM THE X-RAY GAGE TO THE ROLL BITE OF THE SUCCESSIVE STAND, LESS THE RESPONSE TIME OF THE SPEED REGULATOR OF THE CONTROLLED STAND. THE GAGE DEVIATION SIGNAL IS ADVANCED THROUGH A SHIFT REGISTER CIRCUIT SUCH THAT THE DEVIATION INFORMATION IS STORED WHILE THE STRIP TRAVELS FROM THE X-RAY GAGE TO THE ROLL BITE OF THE STAND. A TACHOMETER PROVIDES A VOLTAGE WHICH CONTROLS THE PULSE RATE-

    OF THE SHIFTING PULSES SUCH THAT THE PULSE RATE IS PROPORTIONAL TO THE OUTPUT OF THE TACHOMETER, OR SPEED OF THE STRIP. THE GAGE DEVIATION SIGAL AFTER HAVING BEEN DELAYED IS DIVIDED BY THE GAGE REFERENCE, OR EXPECTED GAGE, SIGNAL FOR PRODUCING A CURRENT SIGNAL WHICH IS PROPORTIONAL TO THE UNIT DEVIATION. THIS SIGNAL IS THEN MULTIPLIED BY THE SPEED REFERENCE SIGNAL TO PRODUCE A VOLTAGE SIGNAL PROPORTIONAL TO THE ABSOLUTE SPEED CHANGE USED FOR ALTERING THE TENSION IN THE STRIP, THE REDUCTION OF THE STRIP BEING CORRECTED SO THAT THE DELIVERED GAGE OF THE STRIP REMAINS CONSTANT.