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1.
Balance the assembly line for the tasks contained in the table. The desired output is 240 units per day. Available production time per day is 480 minutes.
|
Work Element |
Time (Sec.) |
Immediate Predecessor(s) |
|||
| A | 40 |
— |
|||
| B | 45 | ||||
| C | 55 | ||||
| D | |||||
| E | 65 | ||||
| F |
C,D |
||||
| G | 25 |
D,E |
a) What is the desired Cycle time in seconds?
b) What is the theoretical minimum number of stations?
c) Use trial and error to work out a solution in the table below. Your efficiency should be at least 90%.
|
Station |
Candidates |
Choice |
Work-Element Time (Sec) |
Cumulative Time (Sec) |
Idle Time |
||||||||||||||||||||||||||||||||||||
d) Calculate the efficiency of your solution. (2 points)
