DataSpan, Inc., automated its plant at the start of the current year and install
ID: 2591318 • Letter: D
Question
DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.
2 DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations. 25 points Month Throughput time (days) Delivery cycle time (days) Manufacturing cycle efficiency (MCE Percentage of on-time deliveries Total sales (units) eBook 85% 2180 2087 19B0 1905 80% 778 74% Print Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months: References Avera r Month (in days) 0.6 2.8 29.0 6.0 0.6 0.6 31.4 0.5 per unit Move time Process time per unit Wait time per order before start of production Queue time per unit Inspection time per unit 0.5 2.9 24.026.3 5.3 0.6 0.8 0.5 Required 1-a. Compute the throughput time for each month. 1-b. Compute the delivery cycle time for each month. 1-c. Compute the manufacturing cycle efficiency (MCE) for each month. 2. Evaluate the company's performance over the last four months. 3-a. 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 in month 4, except that through the use of Lean Production the company is able to completely eliminate the queue time during production. Compute the new throughput time and MCE 3-b. Refer to the move time, process time, and so forth, given for month 4. Assume in month 6 that the move time, process time, and so forth, are again the same as in month 4, except that the company is able to completely eliminate both the queue time during production and the inspection time. Compute the new throughput time and MCE.Explanation / Answer
1-a Throughput time=Process time+Inspection time+Move time+Queue Time
1-a Throughput time=Process time+Inspection time+Move time+Queue Time
1 month=0.8+3.1+4.7+0.5 =9.1 2 Month=0.5+2.9+5.3+0.6=9.3 3 Month=0.6+2.8+6.0+0.6=10 4 Month=0.6+2.6+6.8+0.5=10.5 Answer:1-b Manufacturing Cycle Efficiency=Process time/Throughput Time 1 month=3.1/9.1=0.341 2 Month=2.9/9.3=0.312 3 Month=2.8/10=0.280 4 Month=2.6/10.5=0.248 Answer:1-c Delivery cycle time=Wait time+Througput time 1 month=24+9.1=33.1 2 Month=26.3+9.3=35.6 3 Month=29+10=39 4 Month=31.4+10.5=41.9 2) Evaluation of the company's performance: The Throughput Time measure displays increasing trends The Delivery cycle time day measure displays increasing trends Manufacturingn cycle efficiency days measure displays decreasing trends Answer:3-a 5 Month Throughput time in days Process time per unit in days 2.6 Inspection time per unit in days 0.5 Move Time per unit in days 0.6 Queue Time per unit in days 0 Total throughput time 3.7 Process time/throughput time 0.703 Answer:3-b 6 Month Throughput time in days Process time per unit in days 2.6 Inspection time per unit in days 0 Move Time per unit in days 0.6 Queue Time per unit in days 0 Total throughput time 3.2 Process time/throughput time 0.813Related Questions
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