Valley Inc needs to assemble 480 mugs each week. They work about 5 days a week and 8 hours a day. The production process is outlined in the table below.
a. Calculate the cycle time.
b. Calculate the theoretical minimum number of workstations.
c. What tasks are assigned to which stations?
d. How much idle time is there, summed over all workstations?
e. What is the efficiency of this line?
Work Task
Task Time (sec)
Task Predecessor(s)
A
70
–
B
60
A
C
120
B
D
60
–
E
240
C, D
F
100
A
G
190
E, F
Expert Answer
Given Data: Demand(D) = 480 Mugs/Week
Operating Hours per week = 5 Days * 8 Hours =
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