Equipment management strategy under machine capacity loss

Using integrated circuit packaging lines as examples, this research proposed a set of capacity loss formula for production capability analysis under machine capacity loss. The formula provided a way to estimate capacity loss and to determine strategies for scheduled machine down—such as preventive maintenance—under given production line situation. The parameters such as work-in-process level, machine down duration, and station capacity can be adjusted to minimize the capacity loss due to scheduled machine down. eM-Plant simulation tool was used to verify the validity of the capacity loss formula.