Production and Operations Analysis, Seventh Edition
Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 4.9, Problem 30P

a)

Summary Introduction

Interpretation: optimal length of the rotation cycle.

Concept introduction: the production cycle is a persistent set of business activities whichconnected data processing operations related with the manufacture of products.holding cost associated with keeping inventory that persists unsold.

b)

Summary Introduction

Interpretation: the optimal lot sizes of each product

Concept introduction: the production cycle is a persistent set of business activities which connected data processing operations related with the manufacture of products. holding cost associated with keeping inventory that persists unsold.

c)

Summary Introduction

Interpretation: The percentage time of uptime and downtime for the process as given below:

Concept introduction: the production cycle is a persistent set of business activities which connected data processing operations related with the manufacture of products. holding cost associated with keeping inventory that persists unsold

d)

Summary Introduction

Interpretation: a graph showing the change in the inventory level over a typical cycle for each product.

Concept introduction:the production cycle is a persistent set of business activities which connected data processing operations related with the manufacture of products. holding cost associated with keeping inventory that persists unsold.

e)

Summary Introduction

Interpretation: the solution might not be feasible for the firm, or it might be not desirable when it is feasible.

Concept introduction:the production cycle is a persistent set of business activities which connected data processing operations related with the manufacture of products. holding cost associated with keeping inventory that persists unsold.

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A metal fabrication shop has a single punch press. There are currently three partsthat the shop has agreed to produce that require the press, and it appears that theywill be supplying these parts well into the future. You may assume that the press isthe critical resource for these parts, so that we need not worry about the interactionof the press with the other machines in the shop. The relevant information here is:   Part Number Demand/year Set up Cost ($) Cost per Unit ($) Production rate/year 1 2,500 80 16 45,000 2 5,500 120 18 40,000 3 1,450 60 22 26,000   Holding costs are based on an 18 percent annual interest rate, and the products are to be produced in sequence on a rotation cycle. Setup times can be considered negligible.   What is the optimal lot size of part 2?
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