1 2 3 4 Percentage of on-time deliveries 74% 75% 80% 87% 1 2 3 4 Total sales (un
ID: 2384730 • Letter: 1
Question
1 2 3 4Percentage of on-time deliveries 74% 75% 80% 87%
1 2 3 4
Total sales (units) 10,450 10,470 10,580 10,530
1 2 3 4
Move time per unit, in days 0.8 0.3 0.3 0.8
Process time per unit, in days 0.4 0.8 0.5 0.5
Wait time per order before start
of production, in days 9.3 8.0 5.0 4.0
Queue time per unit, in days 3.0 3.0 3.0 1.0
Inspection time per unit, in days 0.6 0.5 0.7 0.6
1a. Compute the throughput time for each month.
1) , 2) ,3) ,4)
1b. Compute the manufacturing cycle efficiency (MCE) for each month.
1) % , 2) %, 3) % , 4) %
1c. Compute the delivery cycle time for each month.
1) 2) 3) 4)
Refer to the move time, process time, and so forth, given for month 4.
Assume that in month 5 the move time, process time, and so forth, are the same as for month 4, except that through the implementation of Lean Production, the company is able to completely eliminate the queue time during production. Compute the new throughput time and MCE.
1) Throughput time=
2) Manufacturing cycle efficiency (MCE)=
Explanation / Answer
1 a) 8399 ,9177 ,8619,9893 b) 87 , 93 , 77 , 73 c) .6 , .5 ,.5 , .7
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