
Concept explainers
(a)
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 | |||||||
A | B | C | D | ||||
A | 45 | 63 | 32 | ||||
From Department | B | 29 | 27 | 46 | |||
C | 63 | 75 | 68 | ||||
D | 40 | 30 | 68 |
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
Product | Routing | Weekly Production |
P1 | A-B-C-D | 200 |
P2 | A-C-D | 600 |
P3 | B-D | 400 |
P4 | B-C-D | 500 |
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)
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 | ||||||
A | B | C | D | |||
A | 45 | 63 | 32 | |||
From Department | B | 29 | 27 | 46 | ||
C | 63 | 75 | 68 | |||
D | 40 | 30 | 68 |
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
Product | Routing | Weekly Production |
P1 | A-B-C-D | 200 |
P2 | A-C-D | 600 |
P3 | B-D | 400 |
P4 | B-C-D | 500 |
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)
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 | ||||||
A | B | C | D | |||
A | 45 | 63 | 32 | |||
From Department | B | 29 | 27 | 46 | ||
C | 63 | 75 | 68 | |||
D | 40 | 30 | 68 |
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
Product | Routing | Weekly Production |
P1 | A-B-C-D | 200 |
P2 | A-C-D | 600 |
P3 | B-D | 400 |
P4 | B-C-D | 500 |
Assuming that products are produced in batches of size 25, based on the results of part (b) and assuming that
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)
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 | ||||||
A | B | C | D | |||
A | 45 | 63 | 32 | |||
From Department | B | 29 | 27 | 46 | ||
C | 63 | 75 | 68 | |||
D | 40 | 30 | 68 |
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
Product | Routing | Weekly Production |
P1 | A-B-C-D | 200 |
P2 | A-C-D | 600 |
P3 | B-D | 400 |
P4 | B-C-D | 500 |
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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Chapter 11 Solutions
Production and Operations Analysis, Seventh Edition
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