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 11, Problem 48AP

(a)

Summary Introduction

Interpretation: A machine shop located on the outskirts of Los Angeles accepts custom orders from a number of high-tech firms in southern California. The machine shop consists of four departments: A (lathes), B (drills), C (grinders), and D (sanders). The from-to chart showing distances in feet between department centers is given.

    To Department
     ABCD
    A456332
    From DepartmentB292746
    C637568
    D403068

The shop has accepted orders for production of four products: P1, P2, P3 and P4. The routing for production of these products and the weekly production rates are

    ProductRoutingWeekly Production
    P1A-B-C-D200
    P2A-C-D600
    P3B-D400
    P4B-C-D500

Assuming that products are produced in batches of size 25; from the given data, a from-to chart giving numbers of materials handling trips per week between departments needs to be given.

Concept Introduction: A routing planning chart consisting of a matrix is called a from-to chart. Various operations are written across the top and along the left side of the form.

(b)

Summary Introduction

Interpretation: A machine shop located on the outskirts of Los Angeles accepts custom orders from a number of high-tech forms in southern California. The machine shop consists of four departments: A(lathes), B(drills), C(grinders), and D(sanders). The from-to chart showing distances in feet between department centers is given.

    To Department
     ABCD
    A456332
    From DepartmentB292746
    C637568
    D403068

The shop has accepted orders for production of four products: P1, P2, P3 and P4. The routing for production of these products and the weekly production rates are

    ProductRoutingWeekly Production
    P1A-B-C-D200
    P2A-C-D600
    P3B-D400
    P4B-C-D500

Assuming that products are produced in batches of size 25, and assuming that the cost of transportation of one batch 1 foot is estimated to be $1.50; from the from-to chart derived from part (a), a from-to chart giving the materials handling cost per week between departments, needs to given.

Concept Introduction: A routing planning chart consisting of a matrix is called a from-to chart. Various operations are written across the top and along the left side of the form.

(c)

Summary Introduction

Interpretation: A machine shop located on the outskirts of Los Angeles accepts custom orders from a number of high-tech forms in southern California. The machine shop consists of four departments: A(lathes), B(drills), C(grinders), and D(sanders). The from-to chart showing distances in feet between department centers is given.

    To Department
     ABCD
    A456332
    From DepartmentB292746
    C637568
    D403068

The shop has accepted orders for production of four products: P1, P2, P3 and P4. The routing for production of these products and the weekly production rates are

    ProductRoutingWeekly Production
    P1A-B-C-D200
    P2A-C-D600
    P3B-D400
    P4B-C-D500

Assuming that products are produced in batches of size 25, based on the results of part (b) and assuming that A is assigned to the highest cost and O to the least, with rankings E and I assigned to the costs falling in between the extremes, an activity relationship chart for the four departments needs to be developed.

Concept Introduction: A routing planning chart consisting of a matrix is called a from-to chart. Various operations are written across the top and along the left side of the form.

(d)

Summary Introduction

Interpretation: A machine shop located on the outskirts of Los Angeles accepts custom orders from a number of high-tech forms in southern California. The machine shop consists of four departments: A(lathes), B(drills), C(grinders), and D(sanders). The from-to chart showing distances in feet between department centers is given.

    To Department
     ABCD
    A456332
    From DepartmentB292746
    C637568
    D403068

The shop has accepted orders for production of four products: P1, P2, P3 and P4. The routing for production of these products and the weekly production rates are

    ProductRoutingWeekly Production
    P1A-B-C-D200
    P2A-C-D600
    P3B-D400
    P4B-C-D500

Assuming that products are produced in batches of size 25, supposing that the machine shop is located in a building that is 60 feet by 80 feet and that departments are rectangularly shaped, with the shape of facility as in Figure 10-32, a layout consistent with the relationship chart obtained from part (c) needs to be sketched.

Concept Introduction: A routing planning chart consisting of a matrix is called a from-to chart. Various operations are written across the top and along the left side of the form.

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