Question
Tombro Industries is automating one of its plants and developing a flexible manufacturing system. In an effort to revise its performance measurement system, the company
Tombro Industries is automating one of its plants and developing a flexible manufacturing system. In an effort to revise its performance measurement system, the company gathered the following data for the last four months:
The president read in industry journals that throughput time, MCE, and delivery cycle time are important measures of performance, but no one is sure how to compute them. You have been asked to assist the company and gathered the following data:
Required:
1-a. Compute the throughput time for each month.
1-b. Compute the manufacturing cycle efficiency (MCE) for each month.
1-c. Compute the delivery cycle time for each month.
3-a. Refer to the inspection time, process time, and so forth, given for month 4. Assume in month 5 the inspection time, process time, and so forth are the same as for month 4, except the company is able to completely eliminate the queue time using Lean Production. Compute the new throughput time and MCE.
3-b. Refer to the inspection time, process time, and so forth, given for month 4. Assume in month 6 the inspection time, process time, and so forth are the same as in month 4, except the company is able to eliminate the queue time and inspection time using Lean Production. Compute the new throughput time and MCE.
Complete this question by entering your answers in the tabs below. 3-a. (Month 5) Refer to the inspection time, process time, and so forth, given for month 4 . Assume in month 5 the inspection time, process time, and so forth are the same as for month 4, except the company is able to completely eliminate the queue time using Lean Production. Compute the new throughput time and MCE. 3-b. (Month 6) Refer to the inspection time, process time, and so forth, given for month 4. Assume in month 6 the inspection time, process time, and so forth are the same as in month 4, except the company is able to eliminate the queue time and inspection time using Lean Production. Compute the new throughput time and MCE. Note: Round your answers to 1 decimal place. Complete this question by entering your answers in the tabs below. 1-a. Compute the throughput time for each month. 1 -b. Compute the manufacturing cycle efficiency (MCE) for each month. 1-c. Compute the delivery cycle time for each month. Note: Round your answers to 1 decimal place. Complete this question by entering your answers in the tabs below. 1-a. Compute the throughput time for each month. 1 -b. Compute the manufacturing cycle efficiency (MCE) for each month. 1-c. Compute the delivery cycle time for each month. Note: Round your answers to 1 decimal place. Complete this question by entering your answers in the tabs below. 3-a. (Month 5) Refer to the inspection time, process time, and so forth, given for month 4 . Assume in month 5 the inspection time, process time, and so forth are the same as for month 4, except the company is able to completely eliminate the queue time using Lean Production. Compute the new throughput time and MCE. 3-b. (Month 6) Refer to the inspection time, process time, and so forth, given for month 4. Assume in month 6 the inspection time, process time, and so forth are the same as in month 4, except the company is able to eliminate the queue time and inspection time using Lean Production. Compute the new throughput time and MCE. Note: Round your answers to 1 decimal place. Complete this question by entering your answers in the tabs below. 1-a. Compute the throughput time for each month. 1 -b. Compute the manufacturing cycle efficiency (MCE) for each month. 1-c. Compute the delivery cycle time for each month. Note: Round your answers to 1 decimal place. \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{4}{|c|}{ Month } \\ \hline & 1 & 2 & 3 & 4 \\ \hline \multicolumn{5}{|l|}{ Quality control measures: } \\ \hline Number of defects & 193 & 171 & 132 & 93 \\ \hline Number of warranty claims & 54 & 47 & 38 & 35 \\ \hline Number of customer complaints & 110 & 104 & 87 & 66 \\ \hline \multicolumn{5}{|l|}{ Material control measures: } \\ \hline Purchase order lead time & 10 days & 9 days & 7 days & 5 days \\ \hline Scrap as a percent of total cost & 1% & 1% & 2% & 3% \\ \hline \multicolumn{5}{|l|}{ Machine performance measures: } \\ \hline Machine downtime as a percentage of availability & 4% & 5% & 5% & 8% \\ \hline Use as a percentage of availability & 95% & 92% & 89% & 85% \\ \hline Setup time (hours) & 10 & 12 & 13 & 14 \\ \hline \multicolumn{5}{|l|}{ Delivery performance measures: } \\ \hline Throughput time & ? & ? & ? & ? \\ \hline Manufacturing cycle efficiency (MCE) & ? & ? & ? & ? \\ \hline Delivery cycle time & ? & ? & ? & ? \\ \hline Percentage of on-time deliveries & 96% & 95% & 92% & 89% \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{4}{|c|}{ Average per Month (in days) } \\ \hline & 1 & 2 & 3 & 4 \\ \hline Waittimeperorderbeforestartofproduction & 8.0 & 10.7 & 11.0 & 13.0 \\ \hline Inspection time per unit & 0.7 & 0.6 & 0.6 & 0.6 \\ \hline Process time per unit & 2.8 & 2.6 & 2.4 & 1.1 \\ \hline Queue time per unit & 4.1 & 4.4 & 6.3 & 8.4 \\ \hline Move time per unit & 0.4 & 0.7 & 0.7 & 0.9 \\ \hline \end{tabular}Step by Step Solution
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