Abstract
Flexibility configurations and preventive maintenance impact on job-shop manufacturing systems
Highlights
Today’s manufacturing environment is characterized by shorter lead time, rapid introduction of new products, smaller lot sizes and higher competitive pressure
The research presented in this paper is concerned with the evaluation of the flexibility configurations of a manufacturing system with the introduction of a preventive maintenance policy
The simulation environment developed has been used to evaluate the impact of the preventive maintenance policy on the flexibility configurations when the manufacturing utilization changes and with different parameters of the maintenance policy
Summary
Today’s manufacturing environment is characterized by shorter lead time, rapid introduction of new products, smaller lot sizes and higher competitive pressure. A Flexible Manufacturing System (FMS) can be defined as a computer-controlled configuration of semi-dependent workstations and material-handling systems designed to efficiently manufacture various part types with low to medium volumes It combines high levels of flexibility with high productivity and low level of work-in-process inventory (Jang & Park, 1996). The flexible manufacturing systems consist of machines that can conduct different manufacturing operations with different process times and the degradation of a machine depends highly on the operations performed on that machine. In this context, the maintenance decisions are harder to make. The main performance measures are compared to manufacturing systems with dedicated machines (no flexibility) and without preventive maintenance policy.
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