The technology of mandrelless coilbox,the calculation of roll diameter and center position is introduced.The better results are got after use of the mandrelless transform coilbox.

• 主要介绍了无芯移送式热卷箱的移送工艺、钢卷卷径及钢卷中心位置的计算,并说明了使用无芯移送式热卷箱后取得的良好效果。