A machine shop received a variety of orders for custom parts to be machined using a...
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A machine shop received a variety of orders for custom parts to be machined using a lathe machine. Given the processing times and due dates as shown in the table below, prioritize the jobs by FCFS, DDATE, SLACK and SPT. Today is day 3. Tasks A B C D E F G H Processing Time (in days) 5 8 6 3 10 14 7 3 Due Date (in days) 25 42 16 46 50 10 21 18 a) For each sequencing method, calculate the following: a. Mean flow time. b. Mean tardiness. c. Maximum tardiness. d. Number of jobs tardy. b) Which sequencing rule would you recommend based on the summary table you prepared for part (a)? Why? A machine shop received a variety of orders for custom parts to be machined using a lathe machine. Given the processing times and due dates as shown in the table below, prioritize the jobs by FCFS, DDATE, SLACK and SPT. Today is day 3. Tasks A B C D E F G H Processing Time (in days) 5 8 6 3 10 14 7 3 Due Date (in days) 25 42 16 46 50 10 21 18 a) For each sequencing method, calculate the following: a. Mean flow time. b. Mean tardiness. c. Maximum tardiness. d. Number of jobs tardy. b) Which sequencing rule would you recommend based on the summary table you prepared for part (a)? Why?
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Operations Management Managing Global Supply Chains
ISBN: 978-1506302935
1st edition
Authors: Ray R. Venkataraman, Jeffrey K. Pinto
Posted Date:
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