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首页> 外文期刊>Journal of Materials Processing Technology >Experimental investigations of the roll load and roll torque when high strength steel is roll formed
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Experimental investigations of the roll load and roll torque when high strength steel is roll formed

机译：轧制高强度钢时轧制载荷和轧制扭矩的实验研究

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摘要

The cold roll forming process is a highly efficient process used to produce profiles for many applications, for example vehicles, buildings, domestic machines, etc. Therefore, its market share is increasing every year. Many of the above products are already today made of high strength steel and the usage of these materials will likely continue to increase. The objectives of this project are to find how the roll load and roll torque are influenced by the yield strength of the material. Full-scale experiments have been performed. U-channels made of different materials from mild to ultra high strength steels have been formed. The roll torque is measured during the process using a torque sensor mounted between the tool and the power transmission. Used power is also calculated with help of the motor current. The roll load is measured with load cells mounted on both side of the roll forming tool. The experimental result will increase the understanding of the specific conditions for roll forming steels with increasing yield strength. The result can be used to support the roll machine designer to choose machine elements and power unit for these applications. Furthermore, the result can also be compared with finite element simulations in order to improve and validate simulation models.
机译：冷轧成型工艺是一种高效的工艺，用于生产用于许多应用的型材，例如车辆，建筑物，家用机械等。因此，其市场份额逐年增加。如今，上述许多产品已经由高强度钢制成，这些材料的使用可能会继续增加。该项目的目的是发现轧辊载荷和轧辊扭矩如何受到材料屈服强度的影响。已经进行了大规模实验。已经形成了由低碳钢到超高强度钢的不同材料制成的U型槽。在过程中，使用安装在工具和动力传输装置之间的扭矩传感器测量滚动扭矩。借助电机电流还可以计算出已用功率。辊压是通过安装在辊压成型工具两侧的称重传感器测量的。实验结果将随着屈服强度的提高而增加对轧制钢具体条件的理解。结果可用于支持轧机设计者为这些应用选择机器元件和动力单元。此外，还可以将结果与有限元模拟进行比较，以改进和验证模拟模型。

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