c) If the firm operates 12 hours per day, 6 days per week, the weekly capacity o

Question

c) If the firm operates 12 hours per day, 6 days per week, the weekly capacity of the work cell with the second machine at workstation 3 is        units (enter your response as a whole number)

d) c) If the firm operates 12 hours per day, 6 days per week, the weekly capacity of the work cell without the second machine at workstation 3 is        units (enter your response as a whole number)

The Pullman Mfg., Inc. three-station work cell illustrated in the figure below has two machines at station 1 i parallel. (The product needs to go through only one of the two machines before proceeding to station 2.) 20 min/unit Station 1 Machine A Station 2 Station 3 Station 1 Machine B 2 min/unit 12 min/unit 20 min/unit

Explanation / Answer

c) If there is second machine at Station 3, output from each station is:

Station 1 = 20min for 2 units (as two machines) = 10 min per unit

Station 2 = 2min per unit

Station 3 = 12 min for 2 units = 6 min per unit

So, bottleneck is station 1

Hence, weekly output = Total time/Output = 12*6*60/10 = 432 units

d) If there is one machine at Station 3, output from each station is:

Station 1 = 20min for 2 unit (as two machines) = 10 min per unit

Station 2 = 2min per unit

Station 3 = 12 min for 1 unit = 12 min per unit

So, bottleneck is station 3

Hence, weekly output = Total time/Output = 12*6*60/12 = 360 units

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