正扬工业技术
产品详情
Cold rolling mill / 冷轧机
Cold rolling mill / 冷轧机
产品详情
  • 冷轧机

    Aluminum casting rolling mill in rolling form is divided into: continuous casting (such as two typical casting roller mill) and continuous casting and rolling (typical example hazret). According to the relative position of two rolls, the two roll casting mill in continuous casting and rolling mill can also be divided into three types: horizontal, inclined and vertical. The twin roll continuous casting mill designed by our company is mainly horizontal and inclined.

    The so-called continuous casting rolling of aluminum belt refers to the special processing equipment which combines the two processes of the casting and hot rolling of aluminum. During the rolling process, the casting roller will take away a lot of heat from the molten aluminum, so that the casting and crystallization process can be completed in a short time, and the pressure of the formed casting structure is also processed. Through the intermediate unit's pinch roll, hydraulic shear, eccentric guide roller and guide plate device, the casting and rolling plate is rolled into coil and finally transported by the unloading car to the coil storage rack.

    The main differences between the horizontal and the tilted double roll caster are:

    1. the connecting line of the center line of the roll is different from the angle of the ground. The horizontal connection is perpendicular to the ground, the inclined line is not perpendicular to the ground, and it is generally 15 degrees.

    2., when the roll changing operation is different, the tilting caster needs to turn the paw to the vertical position of the ground to change the roll when changing the roll, while the horizontal casting mill can change the roll directly.

    The 3. configuration is different, the inclined type needs the main drive removal mechanism, the archway rotation mechanism, and so on.

    Different from the horizontal, inclined to the remarkable characteristics of melt (i.e. liquid aluminum) by entering the two level and under the direction of upward, so that the injection of roll gap melt is strictly controlled in the static pressure is certain, by feeding mouth to rotate with uniform and continuous roll gap in melt supply. Compared with the horizontal casting rolling mill, the aluminum plate slab produced by this way has high compactness and low hydrogen content, and the slab has better quality than the horizontal one when producing double zero foil. So this is the main model of the current market.


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    冷轧是指在再结晶温度以下的轧制生产方式。一般处在铸轧、热轧之后,箔轧之前,是一个承上启下的设备;其工艺要求又可分为冷粗轧机、中轧机精轧机三类;操作方式分为不可逆式和可逆式;根据轧辊数又可分为两辊、三辊、四辊及多冷轧机,目前主流机型为四辊和六辊轧机,公司主要产品可逆式四辊冷轧机。

    四辊冷轧机的生产流程:设备工作时,开卷机组用于将轧制的卷材进行开卷,输送到主机进行轧制,并在轧制中产生带材后张力,其主要包括胀缩卷筒、活动支撑、减速箱、撵头辊、涨缩缸及传动部分,其减速箱在对中系统的控制下,可自由滑动,保证卷材中心与机列中心一致。两台电机串联驱动,加上机械变挡的采用,保证了不同厚度带材的张力需要。

       四重轧机本体是整台轧机的主体部分,卷材由开卷机经入口夹送偏导辊、五辊展平装置输送到主机进行轧制,高硬度的四重辊系及展平光亮辊可保证轧出平直光亮的板材,轧辊倾斜、正负弯辊、轧辊分段冷却的采用,保证了板型需要,上下支承辊清辊器及空气清辊器,保证了轧制带材的洁净;高强度的牌坊及升降灵敏的压上缸及高精度的位移传感器和压力传感器,在厚控系统AGC)、板形系统(AFC)的控制下,为轧制出合格厚度精度的带材,提供了可靠的保证;轧制线调整装置使轧制线维持恒定,并在操作台上显示;排烟罩装置及时排净轧制中产生的烟雾,可带来干净的工作环境。轧机的主传动系统,采用大功率的电机驱动及高精度的联合齿轮减速箱、万向联轴节传动,可为轧辊提供稳定可靠的动力源;简单快捷的换辊装置和万向接轴支架及辊系中快换接头的采用,可大大缩短轧机?;还跏奔?;位于轧机出口的先进的X射线测厚仪,可精确地测量出口带材的厚度;圆盘剪切边机可在线剪切带材的边部,使成品卷材边部整齐;切下的带边经缠绕成卷碎边,保证轧制正常进行;液压下切剪可将带材的头尾端部剪齐;导向装置可将轧出的带材导入卷取机的卷筒上。整台轧机本体中设置的中间导板及导辊可使轧机穿带顺利进行。

       卷取机组可将轧制完的带材进行卷取,并在轧制中产生前张力,使轧制完的带材卷紧、卷齐。其主要包括卷筒、活动支承、减速箱、推料板、涨缩缸及传动部分。电机串联驱动,加上机械变挡的采用,可满足不同厚度带材的张力需要。

    当轧制完的带材厚度小于6毫米时,出口的皮带助卷器装置可辅助卷取机卷筒在开始时快速、方便地卷取带材;入侧运卷升降小车、出侧运卷升降小车的设置,可使卷材方便、快捷地运输,大大提高轧机的自动化程度。



    冷轧机业绩表(截止2017年9月



    序号
    项目号
    项目全称
    客户名称
    客户编号
    1
    Z019
    Ф380/Ф1050×1800mm铝带冷轧机组
    登电集团铝加工有限公司
    1#冷轧机
    2
    Z020
    Ф400/Ф1100×1800mm四重不可逆铝带冷轧机
    邹平
     
    3
    Z021
    Ф380/Ф960×1500mm四重不可逆铝带冷轧机
    河南省川县有色金属压延有限公司
    1#冷轧机
    4
    Z023
    Ф165/Ф480/Ф1100×1700mm六辊可逆钢带冷轧机
    广东伟业
     
    5
    Z024
    Ф360/Ф960×1500mm四重不可逆铝带冷轧机
    登电集团铝加工有限公司
    2#冷轧机
    6
    Z027
    Ф380/Ф960×1500mm四重不可逆铝带冷轧机
    河南省川县有色金属压延有限公司
    2#冷轧机
    7
    Z033
    Ф380/Ф960×1500mm四重不可逆铝带冷轧机
    河南省川县有色金属压延有限公司
    3#冷轧机
    8
    Z041
    Ф380/Ф960×1450mm铝板带冷轧机
    山东富海实业股份有限公司
     
    9
    Z046
    ?440/?1250×1800mm四重不可逆冷轧机
    邹平齐星工业铝材有限公司
     




    尤乐林

    2017年9月1日

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