DataSpan, Inc., automated its plant at the start of the current year and install
ID: 2559936 • 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 Month 4 Throughput time (days) Delivery cycle time (days) Manufacturing cycle efficiency (MCE) Percentage of on-time deliveries Total sales (units) 75% 81% 76% 10,400 10,590 88% 10,590 10,530 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 Avera Month (in da Move time per unit Process time per unit Wait time per order before start of production Queue time per unit Inspection time per unit 0.3 0.7 9.0 3.7 0.4 0.3 0.6 8.0 4.0 0.6 0.3 0.7 5.0 2.5 0.5 4 0.6 0.5 4.0 1.8 0.4 Required 1-a. Compute the throughput time for each month. (Round your answers to 1 decimal place.) Month 1 Month 2 Month 3 Month 4 Throughput Time days days days daysExplanation / Answer
1-a. Throughput time=Process time+inspection time+move time+queue time Month 1 2 3 4 Process time 0.7 0.6 0.7 0.5 Inspection time 0.4 0.6 0.5 0.4 Move time 0.3 0.3 0.3 0.6 Queue time 3.7 4 2.5 1.8 Throughput time 6.1 7.5 7 7.3 days days days days 1-b. Manufacturing cycle efficiency=Process time/Throughput time Month 1 2 3 4 Process time 0.7 0.6 0.7 0.5 Throughput time 6.1 7.5 7 7.3 Manufacturing cycle efficiency 11.48% 8.00% 10.00% 6.85% 1-c. Delivery cycle time=Wait time+Throughput time Month 1 2 3 4 Wait time 9 8 5 4 Throughput time 6.1 7.5 7 7.3 Delivery cycle time 15.1 15.5 12 11.3 days days days days 3-a. Throughput time=Process time+inspection time+move time+queue time Month 5 Process time 0.5 Inspection time 0.4 Move time 0.6 Queue time 0 Throughput time 1.5 days Manufacturing cycle efficiency=Process time/Throughput time Month 5 Process time 0.5 Throughput time 1.5 Manufacturing cycle efficiency 33.33% 3-b. Throughput time=Process time+inspection time+move time+queue time Month 6 Process time 0.5 Inspection time 0 Move time 0.6 Queue time 0 Throughput time 1.1 days Manufacturing cycle efficiency=Process time/Throughput time Month 6 Process time 0.5 Throughput time 1.1 Manufacturing cycle efficiency 45.45%
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