利用ANSYS Workbench软件对初始温度为548℃的6063铝合金铸轧板的冷却过程进行数值模拟,通过分析温度场和应力场,确定空冷至室温所需的时间及空冷时铸轧板易产生裂纹的可能位置。模拟结果表明,对于铸轧出来的6063铝合金板材,在滚道上自然冷却1800 s后接近室温状态;铸轧板实际冷却时,边部与表面中央部位易产生裂纹。 By using ANSYS Workbench software, the cooling process of 6063 aluminum alloy cast-ing plate with initial temperature of 548 ℃ is numerically simulated. The temperature and stress field are analyzed to determine the time required for air cooling to room temperature and the cracks easily occur in the cast plate during air cooling Possible location. The simulation results show that for the 6063 aluminum alloy plate cast out from the rolling, naturally cooled 1800s on the raceway close to room temperature; the actual cooling of the cast-rolled plate, the edge and the central part of the surface prone to cracks.