Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
12th Edition
ISBN: 9780134741062
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter 6, Problem 5P

(a)

Summary Introduction

Interpretation:The implied level of safety stock in the organization’s system.

Concept Introduction:A safety stock is an additional amount of stocks maintained by businesses in facing unforeseen events such as stock outs. Such shortfalls in stocks may be related to raw material or even packaging. The unforeseen events that cause stock outs may be in relation to demand or supply. Sufficient levels of safety stocks enable businesses to continue operations without disruptions even at troublesome times.

(b)

Summary Introduction

Interpretation:The anticipated decrease in waiting time provided that one container was removed.

Concept Introduction:Lead time is period of time between one operation and the next within a process. It is often used in operations management with regard to production lines. It is typically the time taken for the material to reach a work station from the previous one. In relation to the given scenario, if one container is being removed, the waiting time calculated previously must be reduced to keep up with previous timings.

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Bracket Manufacturing uses a Kanban system for a component. Daily demand is 1,100 units. Each container has a combined waiting and processing time of 0.65 days. If the container size is 90 and the alpha value (α) is 13%, how many Kanban card sets should be authorized? Round your answer up to the whole number.  Kanban card set(s) What is the maximum authorized inventory? Use the rounded value from the previous question. Round your answer to the nearest whole number.  unit(s)
It takes Aaron 15 minutes to produce 10 widgets to fill acontainer and 5 minutes to transport the container to thenext station, where Maria works. Maria’s process takesabout 30 minutes. The factory uses a safety factor of 20%.Currently, five kanbans rotate between Aaron and Maria’sstations. What is the approximate demand for widgets?
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