a flexible manufacturing taSpan, Inc., automated its plant at the start of the c
ID: 2467750 • Letter: A
Question
a flexible manufacturing taSpan, Inc., automated its plant at the start of the current year and installed ystem. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement Dat After much study, the company has decided to use the performance measures below, and it h fter 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 Throughput time (days) Delivery cycle time (days) Manufacturing cycle efficiency (MCE) ? Percentage of on-time deliveries Total sales (units) 80% 81% 86% 93% 10,580 10,47010,50010,450 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: Average per Month (in days) Move time per unit Process time per unit Wait time per order before start of production Queue time per unit Inspection time per unit 0.7 0.3 0.7 0.4 0.6 0.7 06 0.6 9.2 8.0 50 4.0 3.8 3.1 2.51.4 0.3 0.5 0.50.3 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
Answer:1 a)
Throughput time = Process time + move time+ inspection time+ queue time
Month 1: 0.6+0.7+0.3+3.8 = 5.4 days
Month 2: 0.7+0.3+0.5 + 3.1 = 4.6 days
Month 3: 0.6+0.7+0.5+2.5 = 4.3 days
Month 4: 0.6+0.4+0.3+1.4 = 2.7 days
Answer: 1 b)
MCE = process time/ Throughput time
Month 1:0.6/5.4 = 11.1%
Month 2: 0.7/4.6 = 15.2%
Month 3:0.6/4.3 = 13.9%
Month 4: 0.6/2.7 = 22.2%
Answer: 1 c)
Delivery cycle time = wait time + throughput time
Month 1: 9.2+5.4 = 14.6 days
Month 2: 8+4.6 = 12.6 days
Month 3: 5+4.3 = 9.3 days
Month 4: 4+2.7 = 6.7 days
Answer:3 a)
New throughput time in month 5 = Process time + move time+ inspection time
= 0.6+0.4+0.3 = 1.3 days
New MCE in month 5 = 0.6/1.3 = 46.2%
Answer: 3 b)
New throughput time in month 6 = Process time + move time
= 0.6 + 0.4 = 1 day
New MCE in month 6 = 0.6/1 = 60%
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