Research Article
Condition Based Maintenance Optimization of an Aircraft Assembly Process Considering Multiple Objectives
Table 1
Estimated work process lead time.
| | Work contents | Assembly machines | Lead time (Hrs) |
| | Load/locate/align | | | | Load middle section | Crane | 9 | | Prelocate and -align Jig and middle section | Jacks and lasers | 19 | | Load front section | Crane | 9 | | Load aft section | Crane | 9 | | Locate and align Jig and fuselage sections | Jacks and lasers | 21 | | Drill (in parallel) | | | | Front and middle sections | | | | Load flex tracks | Flex tracks | 2 | | Drill | Flex tracks | 10 | | Unload flex tracks | Flex tracks | 1 | | Front and middle sections | | | | Load flex tracks | Flex tracks | 2 | | Drill | Flex tracks | 10 | | Unload flex tracks | Flex tracks | 1 | | Rivet (in parallel) | | | | Front and middle sections | | | | Load rivet guns | Rivet guns | 2 | | Rivet | Rivet guns | 10 | | Unload rivet guns | Rivet guns | 1 | | Middle and aft sections | | | | Load rivet guns | Rivet guns | 2 | | Rivet | Rivet guns | 10 | | Unload rivet guns | Rivet guns | 1 | | Manual inspection | | 4 | | Unload | | 8 |
|
|
