ch07_circuit_board_fabricators.xlsx

Exhibit 7.7

Exhibit 7.7 - Circuit Board Fabricators - Process Data

Required Output per shift1000Average Job Size (boards)60Production hours per day7.5Working Days per Week5

Process/MachineNumber of MachinesNumber of EmployeesSetup Time(min. per job)Run Time(min. per part)Load1150.33Clean10.50Coat10.50Unload110.33

Expose55151.72

Load1150.33Develop10.33Inspect220.50Bake10.33Unload110.33

Drilling63151.50

Copper Plate1250.20

Final Test66152.69

SolutionExhibit 7.7 - Circuit Board Fabricators - Process Data

Required Output per shift1000Average Job Size (boards)6075Production hours per day7.5Working Days per Week5

Process/MachineNumber of MachinesNumber of EmployeesSetup Time(min. per job)Run Time(min. per part)Average Size of Job (boards)Operation time per orderCapacity per day (jobs)Load1150.3375.0029.7515.13Clean10.5075.0037.5012.00Coat10.5075.0037.5012.00Unload110.3375.0024.7518.18

Expose55151.7275.00144.0015.63

Load1150.3375.0029.7515.13Develop10.3375.0024.7518.18Inspect220.5075.0037.5024.00Bake10.3363.7521.0421.39Unload110.3363.7521.0421.39

Drilling63151.5063.75110.6324.41

Copper Plate1250.2063.7517.7525.35

Final Test66152.6963.75186.4914.48

Output60.5612.00Total capacity (boards/day) =726.75