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来源:2592作者:2021/1/1 14:40:00






冷轧辊在工作过程中要承受很大的轧制应力,加上轧件的焊缝、夹杂、边裂等问题,容易导致瞬间高温,使工作辊受到强烈热冲击,造成裂纹、粘辊、剥落甚至报废。当板带薄至某一限度后,不管如何旋紧压下螺丝或加大液压压下的压力,不管反复轧制多少道,由于轧辊产生弹性压扁而不可能再使产品变薄。因此,冷轧辊要有抵抗因弯曲应力、扭转应力、剪切应力引起的开裂和剥落的能力,同时也要有高的耐磨性。



Cold roll must bear a lot of rolling stress in the working process, add the weld, inclusion and edge crack of the rolled piece, which can easily lead to instantaneous high temperature, so that the work roll is subjected to strong heat shock, which causes crack, roll, peeling and even scrap. Therefore, the cold roller must resist the ability of cracking and spalling caused by bending stress, torsional stress and shearing stress, and also has high wear resistance.


在粗轧机架后,中型型材轧机有两组连续的机架。连续轧机,根据孔型设计既可以水平布置,也可以立式布置。对于有平行缘的型钢和槽钢,还配有机架。



After the roughing mill, there are two sets of continuous rack in the medium section mill. The continuous rolling mill can be arranged horizontally or vertically according to the pass design. For steel and channel steel with parallel edges, universal frame is also available.



轧机布置和道次设计  

机架在生产线的位置以及道次设计对轧辊的选择有很大影响。根据机架位置,轧辊的受力方式和性能可以有很大变化。这是因为应用于粗轧机架和精轧机架的轧辊有非常不同的受力方式,从而导致轧辊性能有预期的改变.



Rolling mill layout and pass design

The of the rack in the production line and the design of the pass have great influence on the choice of the roll. According to the  of the frame, the force and performance of the roller can be greatly changed. This ibecause the rolls used in roughing mill stand and finishing mill stand have very different forces, resulting in expected changes in roll performance.


王秋 (业务联系人)

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