6.9:An order for 250 bell ringers is processed on work centers 10 and 20. The setup and run timesare as follows. It is decided to overlap the lot on the two work centers and to split the lot intotwo lots of 100 and 150. Move time between operations is 30 minutes. Work center 20 cannotbe set up until the first lot arrives. Calculate the saving in manufacturing lead time.Setup on "10" = 50 minutesSetup on "20" = 100 minutesRun time on "10" = 5 minutes per pieceRun time on "20" = 7 minutes per piece

Setup on 10 = 50 minutesRun time on 10 = 5 minutes per pieceSetup on 20 = 100 minutesRun time on 20…

Answered: 6.9: An order for 250 bell ringers is…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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XOX Corporation's management keeps track of the time it takes to process orders. During the most recent month, the following average times were recorded per order Wait time 15. 6 Inspection time 0.8 Process time 1.6 Move time 0.7 Queue time 3. 9 1. Percentage of manufacturing cycle time spent on non-value-added activities 2. Compute the delivery cycle time in days
An order for 100 of a product is processed on operation A and operation B. The setuptime on A is 50 minutes, and the run time per piece is 9 minutes. The setup time onB is 30 minutes, and the run time is 6 minutes per piece. It takes 20 minutes to movea lot between A and B. Since this is a rush order, it is given top priority (president’sedict) and is run as soon as it arrives at either workstation.It is decided to overlap the two operations and to split the lot of 100 into two lotsof 60 and 40. When the first lot is finished on operation A, it is moved to operation Bwhere it is set up and run. Meanwhile, operation A completes the balance of the 100units (40) and sends the units over to operation B. These 40 units should arrive asoperation B is completing the first batch of 60; thus, operation B can continue withoutinterruption until all 100 are completed.a. Calculate the total manufacturing lead time for operation A and for B withoutoverlapping.b. Calculate the manufacturing lead time…
Order 1 2 3 4 5 Time Since Order Arrived (hours ago) 3 1 0 6 5 You answered Sequence Order The due dates reflect the need for the order to be at its next operation. Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average past due hours. Using the FCFS (first come, first served) decision rule for sequencing the orders, the order is Sequence Order Estimated Machine Time (hours) 15 9 7 10 3 1 5 Rule EDO FCFS 4 4 Using the EDD (earliest due date) decision rule for sequencing the orders, the order is (to resolve a tie, use order in which the orders were received) ¹2 1 4 2 3 Due Date (hours from now) 5 5 3 18 20 21 12 The average flow time and average past due hours for each option (enter your responses are real numbers rounded to two decimal place Average Flow Time Average Past Due Hours
Given the following information: Order Time remaining Work Time Work Time number until due date 1 remaining 2 remaining 1 2 3 10 30 25 40 20 15 -10 20 15 Note: "Work Time 1" includes run time, setup time, move, and queue; "Work Time 2" includes setup time and run time. What is the "Order Slack" for order number 3?
At an auto shop, six jobs are currently in queue. Job A B C D E F Arrival order 1 2 3 4 5 6 Processing time (minutes) 33 27 36 28 21 23 Using the shortest processing time scheduling approach, what is the average inventory of jobs in the system? Assume that processing of jobs will start immediately. Note: Round your answer to 2 decimal places.
HELP! Corporation's management keeps track of the time it takes to process orders. During the most recent month, the following average times were recorded per order. Days Wait time 15. 6 Inspection time 0.8 Process time 1.6 Move time 0.7 Queue time 3.9 Required: A. Compute the delivery cycle time in days B. Compute the Percentage of manufacturing cycle time spent on non-value-added activities
Johnson Fastener and Tool had a six-hour work stoppage yesterday, which means the company does not have its usual number of fasteners stored in inventory. Concerned that the inability to fulfill all current orders may have an adverse effect on some customers, Acme's account executives are notifying all customers, including Henderson Air, that there could potentially be a small delay in delivering some orders. This is an example of:
For a particular process, suppose the bottleneck cycle time is 40, and the raw processing time is 100. What is the minimum number of customers that must be in the system in order for the lead-time (LT) to exceed the raw processing time? Round to one decimal place.
Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) The following 5 overhaul jobs are waiting to be processed at Avianic's Engine Repair Inc. These jobs were logged as they arrived. All dates are specified as planning calendar days. Job CR 103 Job Due Date Duration (days) 103 214 10 205 223 7 309 217 11 412 219 5 517 217 15 Assume that all jobs arrived on day 180; today's date is 200.
6.4: An order for 50 of a product is processed on work centers A and B. The setup time on A is 45 minutes, and run time is 5 minutes per piece. The setup time on B is 30 minutes, and the run time is 4 minutes per piece. Wait time between the two operations is 8 hours. The move time between A and B is 60 minutes. Wait time after operation B is 8 hours, and the move time into stores is 2 hours. Queue at work center A is 40 hours and at B is 35 hours. Calculate the total manufacturing lead time for the order.
Joe's Twenty-four Seven Laundromat has the following jobs waiting to be processed. The first step of the process includes washing and drying the clothes; the second step is pressing the clothing. Joe wants to minimize the amount of time it takes to do all the jobs. The five jobs waiting to be processed are shown here. Job Wash andDry (hours) Press(hours) A 5 4 B 3 4 C 2 3 D 7 5 E 4 2 Wash and Dry Using FCFS, assume the jobs arrive in the order shown (A, then B, then C, etc.). Show the beginning time for each job and ending time for the whole process adding hours throughout the process. A -0 number of hours B-5 number of hours C-8 number of hours D-10 number of hours E-17 number of hours A B C D E 0 enter a number of hours enter a number of hours enter a number of hours enter a number of hours enter a number of hours enter a number of hours Press
Sensuality Corporation's management keeps track of the time it takes to process orders. During the most recent month, the following average times were recorded per order. Days Wait time 15. 6 Inspection time 0.8 Process time 1.6 Move time 0.7 Queue time 3.9 Required: A. Compute the delivery cycle time in days B. Compute the Percentage of manufacturing cycle time spent on non-value-added activities

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