R W Problem 8: The ACE Machine Company is considering using a prority scheduling rule in its fabrication shop and must decide whether to use: the critical ratio rule, the order slack rule, the shortest operation next rule, or the slack per operation rule. The following table shows the company's current inventory and shop status. Manufacturing Order Number Lead Time Time Remaining Until Current Operation Processing Total Number of Processing Operations Remaining Due Date Time Remaining Time Remaining 1 2 3 4 5 22222 15 7 2 3 15 11 3 4 8 20 5 2 8 15 4 3 8 15 3 1 12 8 Note: Time is measured in days. Manufacturing lead-time remaining includes both the machine processing time and the length of time onders spend moving and waiting to be processed in a machine que Current operation processing time (as well as total processing time a) State the formula for calculating the priority index for each of sequencing rules given previously. b) Compute the scheduling priority for each order, four sequencing rules.
R W Problem 8: The ACE Machine Company is considering using a prority scheduling rule in its fabrication shop and must decide whether to use: the critical ratio rule, the order slack rule, the shortest operation next rule, or the slack per operation rule. The following table shows the company's current inventory and shop status. Manufacturing Order Number Lead Time Time Remaining Until Current Operation Processing Total Number of Processing Operations Remaining Due Date Time Remaining Time Remaining 1 2 3 4 5 22222 15 7 2 3 15 11 3 4 8 20 5 2 8 15 4 3 8 15 3 1 12 8 Note: Time is measured in days. Manufacturing lead-time remaining includes both the machine processing time and the length of time onders spend moving and waiting to be processed in a machine que Current operation processing time (as well as total processing time a) State the formula for calculating the priority index for each of sequencing rules given previously. b) Compute the scheduling priority for each order, four sequencing rules.
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section: Chapter Questions
Problem 59P
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