Question 29: Tombro Industries is in the process of automating one of its plants
ID: 2587037 • Letter: Q
Question
Question 29: Tombro Industries is in the process of automating one of its plants and developing a flexible manufacturing system. The company is finding it necessary to make many changes in operating procedures. Progress has been slow, particularly in trying to develop new performance measures for the factory.
In an effort to evaluate performance and determine where improvements can be made, management has gathered the following data relating to activities over the last four months:
Month
The president has read in industry journals that throughput time, MCE, and delivery cycle time are important measures of performance, but no one is sure how they are computed. You have been asked to assist the company, and you have gathered the following data relating to these measures:
Average per Month (in days)
Compute the manufacturing cycle efficiency (MCE) for each month. (Round your answers to 1 decimal place (i.e., 0.123 should be entered as 12.3).)
Compute the delivery cycle time for each month. (Round your answers to 1 decimal place.)
Refer to the inspection time, process time, and so forth, given for month 4. Assume that in month 5 the inspection time, process time, and so forth, are the same as for month 4, except that the company is able to completely eliminate the queue time during production using Lean Production. Compute the new throughput time and MCE. (Round your Throughput Time to 1 decimal place. Round your MCE percentage answer to 1 decimal place (i.e., 0.123 should be entered as 12.3).)
Refer to the move time, process time, and so forth, given for month 4. Assume that in month 6 the inspection time, process time, and so forth, are the same as in month 4, except that the company is able to eliminate both the queue time during production and the inspection time using Lean Production. Compute the new throughput time and MCE. (Round your Throughput Time to 1 decimal place. Round your MCE percentage answer to 1 decimal place (i.e., 0.123 should be entered as 12.3).)
Question 29: Tombro Industries is in the process of automating one of its plants and developing a flexible manufacturing system. The company is finding it necessary to make many changes in operating procedures. Progress has been slow, particularly in trying to develop new performance measures for the factory.
In an effort to evaluate performance and determine where improvements can be made, management has gathered the following data relating to activities over the last four months:
Explanation / Answer
1a. Throughput Time for Each Month:
Throughput Time = Process Time + Inspection Time + Move Time + Queue Time
1st Month : 0.4+0.3+1.7+5.5 = 7.9 Days
2nd Month: 0.4+0.7+1.6+5.6 = 8.3 Days
3rd Month: 0.4+0.7+1.6+5.5 = 8.2 Days
4th Month: 0.4+0.6+1.7+5.6 = 8.3 Days
1b. Manufacturing Cycle Efficiency:
Manufacturing Cycle Efficiency = Process Time/ Throughput Time
1st Month : 0.4/7.9 =0.051 i.e, 5.1
2nd Month : 0.4/8.3=0.048 i.e, 4.8
3rd Month : 0.4/8.2=0.049 i.e 4.9
4th Month : 0.4/8.3=0.048 i.e 4.8
1c. Delivery Cycle Time:
Delivery Cycle Time = Wait Time + Throughput Time
1st Month : 15.8+7.9 = 23.7 Days
2nd Month :15.2+8.3 = 23.5 Days
3rd Month : 11.6+8.2 = 19.8 Days
4th Month : 9+8.3 =17.3 Days
3a. Throughput Time and MCE For Month 5:
New Throughput Time = 0.4 + 0.6 + 1.7 + 0 =2.7 Days
MCE = 0.4/2.7 =0.148 i.e, 14.8
3b. Throughput Time and MCE For Month 6:
New Throughput Time = 0.4 + 1.7 =2.1 Days
MCE = 0.4/2.1 =0.190 i.e, 19.0
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