Question: A factory makes a product that has a manufacturing process consisting of tasks A, ... , K that must be completed in an order that
A factory makes a product that has a manufacturing process consisting of tasks A, ... , K that must be completed in an order that obeys a set of precedence requirements. The following table reports the performance time in minutes/unit and the preceding task(s) for tasks A, ... , K.
| Task | Performance Time | Preceding Tasks |
|---|---|---|
| A | 8 | NA |
| B | 4 | NA |
| C | 6 | A |
| D | 7 | A, B |
| E | 7 | B |
| F | 5 | C |
| G | 4 | F |
| H | 4 | D, E |
| I | 8 | H |
| J | 7 | E |
| K | 3 | G, I, J |
The precedence network is: These tasks have been assigned to six workstations as follows:
Station 1 is assigned tasks A and C
Station 2 is assigned tasks B
Station 3 is assigned tasks D and E
Station 4 is assigned tasks F and G
Station 5 is assigned tasks H and I
Station 6 is assigned tasks J and K
The line will operate for 8 hours each day. Answer the following questions: What is the cycle time for this configuration? The answer is a whole number. What is the total idle time per cycle for this configuration? The answer is a whole number. What is the percent efficiency for this configuration? Report as a whole number by rounding. What is the number of units of output per day for this configuration? Report as a whole number by rounding.
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