E and F 10. Given the following information concerning the design of an assembly
ID: 381196 • Letter: E
Question
E and F
10. Given the following information concerning the design of an assembly line: Station Operation Assigned Std. Element Times (seconds) S1 S2 S3 S4 S5 34 25, 11 20, 17 34 3.4 2,5 35 A. What is the Cycle Time of this line? B. What is the line's balance delay? C. What is the weekly capacity, given 5 days per week and one 8 hour shift per day? D. If there is a worker at each station, and the average hourly wage for the line is $15.00, how much money does the company lose ver week due to balance delay? Assume 5 days per week and one 8 hour shift per day If you could increase the efficiency of one of the stations to 120% of standard by replacing one of the workers with a more experienced worker, at which station would you place the experienced worker? What impact would this have on your weekly capacity? F. Is it possible to perfectly balance this line? Explain.Explanation / Answer
E) The target workstation where experienced worker will be placed is present bottleneck station, that is station 5
Since the efficiency of the station is 120% of previous one, the revised cycle time of station 5 will be = 35/1.2 = 29.16 seconds
Therefore, workstation 5 will now no longer be a bottleneck workstation.
Thus, the revised weekly capacity will be = 8 hours x 5 days x 3600 seconds / 34 = 4235.29 = 4235 (rounded)
Weekly capacity = 40 x 3600 / 35 = 4114
An increase the weekly capacity = 4235 - 4114 = 121 units.
F) It is extremely difficult to perfectly balance this line, in which case the idle time for each station should be zero. This can only be possible when the sum of activities for each workstation will be equal to required cycle time. This is actually very difficult to achieve this in reality.
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