The paper finds the reason and gives the checking and restoring method on the basis of analysis on reamer worn of mix and pinch machine imported and determines the maintenance term to avoid the severe worn which makes the machine can not be restored.

• 通过对进口混捏机绞刀磨损情况的分析,指出磨损原因,提出检查及修复方法,进而指定检修周期,避免因磨损严重导致无法修复的情况发生。