5158投装机为我厂用于生产的关键设备,在运行中,十字头因故突然断裂,被迫停机。查其原因,主要是因十字头内部存有铸造气孔和疏松,致使在运行疲劳应力作用下造成断裂。通常的修理办法是拆掉坏件,重新铸造和加工新件,再安装调好使用。不仅检修时间长(约30～40天)、费用大,且 5158 vote for the installation of equipment for our plant for the production of key equipment, in operation, the crosshead suddenly ruptured for some reason, was forced to shut down. Check the reason, mainly due to the existence of the cross inside the casting porosity and porosity, resulting in the operation of the fatigue stress caused by fracture. The usual repair method is to remove the bad parts, re-casting and processing of new pieces, and then install the tune to use. Not only overhaul a long time (about 30 to 40 days), costly, and