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    • 3. 发明公开
    • 압연 소재의 표면 결함 저감 방법
    • 减少轧制材料定尺的方法
    • KR1020110045945A
    • 2011-05-04
    • KR1020090102712
    • 2009-10-28
    • 주식회사 포스코
    • 양대현이원석허종욱
    • B21B37/00
    • PURPOSE: A method for reducing pitch scale of rolling material is provided to reduce the rolling load added in a rolling material by reducing the vibration which is generated from work rolls of a finishing mill. CONSTITUTION: A method for reducing pitch scale of rolling material comprises the next step. A progressing acceleration of a material at a finishing mill section is instituted. The progressing acceleration of material is limited by the fixed progressing acceleration(S100). A material progressing acceleration limiting step reduces pitch type scale according to rolling overload by controlling the rotational acceleration of a rolling mill.
    • 目的:提供一种降低轧制材料的节距的方法,通过减少由精轧机的工作辊产生的振动来减少轧制材料中的轧制负荷。 构成:用于减小轧制材料的节距的方法包括下一步骤。 在精轧机部分的材料进行加速。 材料的进步加速度受到固定进行加速度的限制(S100)。 材料进行加速度限制步骤通过控制轧机的旋转加速度,根据滚动过载来减小俯仰类型刻度。
    • 4. 发明公开
    • 슬라브의 기울어짐에 대응 작동되는 사이드가이드 장치
    • 侧向指南装置与SLAB INCLINATION相对应
    • KR1020040043062A
    • 2004-05-22
    • KR1020020071067
    • 2002-11-15
    • 주식회사 포스코
    • 허종욱한수호박문수최판수
    • B21B39/14
    • B21B39/14B21B38/00B21B39/26
    • PURPOSE: A side guide apparatus is provided which improves actual yield of operation and quality of product by performing aligning operation in the state that side guide is inclined correspondingly to inclination values of slab measured only when the slab is slanted more than a certain standard value or more and deviated from the central line. CONSTITUTION: The side guide apparatus operated correspondingly to slab inclination comprises a measuring part comprising a pair of first and second distance measuring sensors(102,104) and third and fourth distance measuring sensors(202,204) installed at both sides of a roller table(16) for transferring an extracted slab(10) with being spaced apart from each other in a certain distance so that the first and second distance measuring sensors and the third and fourth distance measuring sensors detect the inclined state of the slab; a side guide apparatus part for controlling the side guide plates so that the side guide plates are inclined correspondingly to the slab by straightly moving and rotating side guide plates using signals transmitted from the measuring part; a data processor(300) electrically connected to the measuring part so that the data processor calculates an inclination degree of the slab by a determined mathematical expression; and a process computer(400) connected to the data processor to control straight line motion and rotational motion of the side guide apparatus part by receiving control signals of rough rolling operation room.
    • 目的:提供一种侧导向装置,其通过在侧导板相对于仅在板坯倾斜多于某一标准值时测量的板的倾斜值倾斜的状态下进行对准操作来提高实际产量和产品质量,或 更偏离中线。 构成:对应于板坯倾斜运行的侧导向装置包括测量部件,包括一对第一和第二距离测量传感器(102,104),以及安装在辊台(16)两侧的第三和第四距离测量传感器(202,204),用于 将提取的板坯(10)彼此间隔开一定距离,使得第一和第二距离测量传感器以及第三和第四距离测量传感器检测板坯的倾斜状态; 侧引导装置部分,用于控制侧引导板,使得侧导板相对于平板倾斜,通过使用从测量部传递的信号直线移动和旋转侧导板; 电连接到所述测量部分的数据处理器(300),使得所述数据处理器通过确定的数学表达式来计算所述板坯的倾斜度; 以及连接到数据处理器的处理计算机(400),通过接收粗轧操作室的控制信号来控制侧引导装置部分的直线运动和旋转运动。