结合压下率理论模型,研究了厚度为210 mm、230 mm、250 mm,宽度为1000 mm、1150 mm、1300 mm的连铸板坯轻压下率的变化规律.结果表明:板坯的厚度越大,轻压下率沿着铸机的流线线性减少越缓;板坯的厚度对轻压下率和平均压下率的影响比较大;压下率的入口值和出口值与板坯的厚度呈线性反比;板坯厚度增加10%,平均压下率减少10%;板坯的宽度对轻压下率和平均压下率的影响较小.
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