MacIntyre Fabrications, Ltd., of Aberdeen, Scotland, has recently begun a contin

Question

MacIntyre Fabrications, Ltd., of Aberdeen, Scotland, has recently begun a continuous improvement campaign in conjunction with a move toward Lean Production. Management has developed new performance measures as part of this campaign. The following operating data have been gathered over the last four months:

Month

      Management would like to know the company's throughput time, manufacturing cycle efficiency, and delivery cycle time. The data to compute these measures have been gathered and appear below:

Month

      

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 in month 6 the move time, process time, and so forth, are the same as for month 5, except that the company is able to completely eliminate the inspection time. Compute the new throughput time and MCE. (Round your answers to 1 decimal place.)

Month

1 2 3 4   Throughput time ? ? ? ?   Manufacturing cycle efficiency ? ? ? ?   Delivery cycle time ? ? ? ?   Percentage of on-time deliveries 77% 78% 83% 90%   Total sales (units) 10,520 10,470 10,420 10,560 McGraw-Hill Connect - Eb Ch 12 ROI/ RI &Transfer; P... X Sign In or Sign Up | Cheg. CSearch ezto.mheducation.com/hmtpx Required: 1. Complete the below table to calculate throughput time, manufacturing cycle efficiency (MCE), and delivery cycle time. for each month. (Round your answers to 1 decimal place.) Month 4 Throughput time in days 0.7 0.7 Process time Inspection time Move time Queue time Total throughput time 0.7 0.7 0.3 3.0 3.0 2.0 0 Manufacturing cycle efficiency (MCE) Delivery cycle time in days: Wait time Total throughput time Total delivery cycle time 11:48 AM ^ a .11 12/1/2015

Explanation / Answer

Through put time= Process time+inspection time+move time+wait time
1)0.8+.7+3+0.7=5.2 days
2)0.6+0.5+3+0.4=4.5 days
3).3+.5+2+.5=3.3 days
4)0.5+.7+1+0.7=2.9 days

Manufactutring Cycle efficiency= Process time/ Total time
1)0.7/5.2=13.5%
2)0.5/4.5=11.1%
3)0.5/3.3=15.2%
4).7/2.9=24.1%

Delivery cycle time= Through put time+wait time per order before start
1)9.3+5.2= 14.5 days
2)8+4.5=12.5 days
3)5+3.3=8.3 days
4)4+2.9=6.9 days

3)For month 5:
move time=0.5 days
process time=0.7 days
wait time=4 days
queue time=0 days
inspection time=0.7 days

Through put=0.5+0.7+0.7= 1.9 days
MCE=0.7/1.9=36.8%

Month 6:
move time=0.5 days
process time=0.7 days
wait time=4 days
queue time=0 days
inspection time=0 days

Throughput=0.5+0.7= 1.2 days
MCE=0.7/1.2=58.3%

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