ch07_circuit_board_fabricators.xlsx
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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