A Simulation Model for Machine Efficiency Improvement Using Reliability Centered Maintenance: Case Study of Semiconductor Factory

Table 12

Overall scenarios of RCM model.

Strategies	Test machine components	Multiterm objective function
1	Separated	() Maximize total cost; () Minimize Lead PPM
2	Separated	() Maximize total cost; () Minimize Lead PPM; () Maximize PM plan of the separated component
3	Combined	() Maximize total cost; () Minimize Lead PPM
4	Combined	() Maximize total cost; () Minimize Lead PPM; () Maximize PM plan of test socket; () Maximize PM plan of inserter; () Maximize PM plan of Lead pusher; () Maximize PM plan of linear guide; () Maximize PM plan of vacuum pad; () Maximize PM plan of picker cylinder; () Maximize PM plan of ejector filter; () Maximize PM plan of solenoid valve; () Maximize PM plan of timing belt
5	Combined	() Maximize total cost