Introduces the reparation of preformer guide roll,analys es the difficulty of reparation,after the guide roll is repaired,its quality is hightre and operation is nomal.

• 介绍了预压机导向滚筒的修复步骤,分析了修复滚筒过程中的难点,证明修复好的滚筒质量高,安装后运行平稳。