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为了适应球磨机大型化的发展趋势,开发了MQY6095型球磨机。针对该球磨机的结构特点,用有限元方法计算得到了回转部的整体应力和变形,然后在中空轴处施加支撑力,计算中空轴和端盖圆角处的应力,最后用计算流体动力学方法计算得到了轴承油膜的压力分布和速度分布。现场应用表明,分析结果与实际观测值吻合得很好,说明该设计方法有效地保证了球磨机设计的可靠性。
In order to adapt to the trend of large-scale ball mill, the MQY6095 ball mill has been developed. According to the structural characteristics of the ball mill, the overall stress and deformation of the rotating part are calculated by the finite element method. Then, the supporting force is applied at the hollow shaft to calculate the stress at the fillet of the hollow shaft and the end cap. Finally, by computational fluid dynamics The pressure distribution and velocity distribution of bearing oil film were calculated. The field application shows that the analysis results are in good agreement with the actual observations, indicating that the design method effectively guarantees the reliability of ball mill design.