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利用计算机数值模拟技术研究了砂型铸造的传热过程 ,并对实际生产件——东方红 412 5发动机气缸体进行了模拟分析 ,结果与实际情况吻合良好
The heat transfer process of sand casting was studied by computer numerical simulation technique. The actual production part - Dongfanghong 412 5 engine cylinder block was simulated and the results were in good agreement with the actual situation