The research of the influence of gap setting precision on finishing plate size precision shows that the sensibility of finishing size precision to gap setting precision of the first several passes is low 摘要分析中厚板轧制过程不同道次辊缝设定精度对轧件终轧尺寸精度的影响,证明了轧件终轧尺寸精度对前面道次的辊缝设定精度不敏感。