Operations Management
13th Edition
ISBN: 9781259667473
Author: William J Stevenson
Publisher: McGraw-Hill Education
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Question
Chapter 14, Problem 2P
Summary Introduction
To determine: The number of containers required.
Introduction: Kanban is a
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A JIT system uses kanban cards to authorize movement of incoming parts. In one portion of thesystem, a work center uses an average of 100 parts per hour while running. The manager hasassigned an inefficiency factor of .20 to the center. Standard containers are designed to hold sixdozen parts each. The cycle time for parts containers is about 105 minutes. How many containersare needed?
A production system uses kanban cards to control production and movement of parts and uses 30 pieces of
a certain part. Standard containers hold 15 parts. The waiting time for parts containers is about 42 minutes.
Management has assigned a safety factor of .20 to this work centre. How many containers should be used
to support this operation?
Problem 14-2 (Algo)
A JIT system uses kanban cards to authorize movement of incoming parts. In one portion of the system, a work center uses an
average of 99 parts per hour while running. The manager has assigned an inefficiency factor of 29 to the center. Standard containers
are designed to hold 7 dozen parts each. The cycle time for parts containers is about 110 minutes.
How many containers are needed? (Round up your answer to the next whole number.)
Number of containers
Chapter 14 Solutions
Operations Management
Ch. 14.S - Prob. 1DRQCh. 14.S - Prob. 2DRQCh. 14.S - Prob. 3DRQCh. 14.S - Prob. 4DRQCh. 14.S - Prob. 5DRQCh. 14.S - Prob. 6DRQCh. 14.S - Prob. 7DRQCh. 14.S - Prob. 8DRQCh. 14.S - Prob. 9DRQCh. 14.S - Prob. 10DRQ
Ch. 14.S - The probability that equipment used in a hospital...Ch. 14.S - The frequency of breakdown of a machine that...Ch. 14.S - Prob. 3PCh. 14 - Prob. 1DRQCh. 14 - Prob. 2DRQCh. 14 - Prob. 3DRQCh. 14 - Prob. 4DRQCh. 14 - Prob. 5DRQCh. 14 - Prob. 6DRQCh. 14 - Prob. 7DRQCh. 14 - Contrast push and pull methods ofmovi.ttg goods...Ch. 14 - Prob. 9DRQCh. 14 - Prob. 10DRQCh. 14 - Prob. 1TSCh. 14 - Prob. 2TSCh. 14 - Prob. 3TSCh. 14 - Prob. 1CTECh. 14 - Prob. 2CTECh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Determine the number of cycles per day and the...Ch. 14 - Given this set of daily service operations, and...Ch. 14 - Determine the number of cycles per day and a...Ch. 14 - Compute the takt time for a system where the total...Ch. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - What might Stephanie determine as the best...
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- Cletus and Spike Company is implementing a Kanban system for a heated water bowl manufacturing line that produces 1,500 units in an eight-hour day. The heating element has a waiting time of 30 minutes and a processing time of one hour. The container size is 40 heating elements, and the safety factor is 15 percent. What is the maximum inventory of heating elements in the system?arrow_forwardTej Dhakar’s company wants to establish kanbans tofeed a newly established work cell. The following data have beenprovided. How many kanbans are needed?Daily demand 250 unitsLead time 12 daySafety stock 14 dayKanban size 50 unitsarrow_forwardGestalt, Inc. uses a kanban system in its automobile production facility in Germany. This facility operates 8 hours per day to produce the Jitterbug, a replacement for the obsolete but immensely popular Jitney Beetle. Suppose that a certain part requires 150 seconds of processing at machine cell 33B and an average container of parts averages 1.6 hours of waiting time there. Management has allowed a 10 percent buffer for unexpected occurrences. Each container holds 30 parts, and 8 containers are authorized. How much daily demand can be satisfied with this system? (Hint: Recall that p is the average processing time per container, not per individual part.) day. (Enter your The average processing time per container of parts, p, is response rounded to three decimal places.)arrow_forward
- In which ways, if any, are the following systems analogous to kanban: returning empty bottles to the supermarket and picking up filled ones; running a hot dog stand at lunch- time; withdrawing money from a checking account; raking leaves into bags?arrow_forwardGestalt, Inc. uses a kanban system in its automobile production facility in Germany. This facility operates 10 hours per day to produce the Jitterbug, a replacement for the obsolete but immensely popular Jitney Beetle. Suppose that a certain part requires 60 seconds of processing at machine cell 33B and an average container of parts averages 1.4 hours of waiting time there. Management has allowed a 12 percent buffer for unexpected occurrences. Each container holds 27 parts, and 5 containers are authorized. How much daily demand can be satisfied with this system? (Hint: Recall that p is the average processing time per container, not per individual part.) The average processing time per container of parts, p, is 0.045 day. (Enter your response rounded to three decimal places.) The average waiting time per container of parts, w, is day. (Enter your response rounded to two decimal places.)arrow_forwardGestalt, Inc. uses a kanban system in its automobile produc-tion facility in Germany. This facility operates 8 hours per dayto produce the Jitterbug, a replacement for the obsolete butimmensely popular Jitney Beetle. Suppose that a certain partrequires 150 seconds of processing at machine cell 33B anda container of parts average 1.6 hours of waiting time there.Management allows a 10 percent buffer for unexpected oc-currences. Each container holds 30 parts, and 8 containersare authorized. How much daily demand can be satisfied with this system? (Hint: Recall that r is the average process-ing time per container, not per individual part.)arrow_forward
- Flores Manufacturing, Inc., is moving to kanbans to support its electronic-board assembly lines. Determine the size of the kanban for subassemblies and the number of kanbans needed. Setup cost $16 Annual holding cost subassembly $250 per subassembly 600 subassemblies Daily production Annual usage 62,500 (-50 weeks x5 days each x daily usage of 250 subassemblies) Lead time Safety stock The kanban size is (round your response to the nearest whole number). 2 days 1 day's production of subassembliesarrow_forwardGestalt, Inc. uses a kanban system in its automobile production facility in Germany. This facility operates 8 hours per day to produce the Jitterbug, a replacement for the obsolete but immensely popular Jitney Beete. Suppose that a certain part requires 150 seconds of processing at machine cell 338 and an average container of parts averages 1.6 hours of waiting time there. Management has allowed a 10 percent buffer for unexpected occurrences. Each container holds 30 parts and 5 containers are authorized. How much daily demand can be satisfied with this system? (Hint: Recall that p is the average processing time per container, not per individual part) The average processing time per container of parts, p, is 0.156 day. (Enter your response rounded to three decimal places) The average waiting time per container of parts, w, is day. (Enter your response rounded to two decimal places)arrow_forwardFlores Manufacturing, Inc., is moving to kanbans to support its electronic-board assembly lines. Determine the size of the kanban for subassemblies and the number of kanbans needed. Setup cost Annual holding cost subassembly Daily production Annual usage Lead time Safety stock $23 $200 per subassembly 550 subassemblies 50,000 (= 50 weeks x 5 days each x daily usage of 200 subassemblies) 3 days 1 day's production of subassemblies The kanban size is (round your response to the nearest whole number). The number of kanbans is (round your response to the nearest whole number).arrow_forward
- Why is Kanban not needed in a perfectly running Just-in-Time system?arrow_forwardYou are asked to analyze the kanban system of LeWin, a French manufacturer of gaming devices. One of the workstations feeding the assembly line produces part M670N. The daily demand for M670N is 1,800 units. The average processing time per unit is 0.003day. LeWin's records show that the average container spends 1.05 days waiting at the feeder workstation. The container for M670N can hold 300 units. Twele containers are authroized for the part. Recall that p is the average processing time per container, not per individual part. Find the value of the policy variable, a, that expresses the amount of implied safety stock in this system.arrow_forwardKanban and takt time. A work center uses kanban containers that hold 300 parts. To produce enough parts to fill the container, 90 minutes of setup plus run time are needed. Moving the container to the next workstation, waiting time, processing time at the next workstation, and return of the empty container take 140 minutes. There is an overall demand rate of nine units per minute.a. Calculate the number of containers needed for the system.b. What is the maximum inventory in the system?c. A quality team has discovered how to reduce setup time by 65 minutes. If these changes are made, can the number of containers be reduced?d. What is the takt time for this process?arrow_forward
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