应用塑性力学的上界定理建立了连续铸挤轮驱动功率表达式，计算与实践对比表明，该式可作为铸挤工艺与设备设计的参考公式。 Based on the upper bound theorem of plasticity mechanics, the driving power expression of continuous casting and extruding wheel was established. The comparison between calculation and practice shows that the formula can be used as the reference formula for casting technology and equipment design.