Question
M3_IND2 . The fabrication department for an automobile component plant is scheduling its work for next month. The plant produces the following four components: A1,
M3_IND2
.
The
fabrication
department for
an automobile component
plant is scheduling its work for
next month.
The
plant produces the following four components: A1, B2, C3, and D4.
Each
component
must go through three
departments
during the fabrication process. After fabrication, each valve is
inspected by a human being, who spends 1
5
minutes per valve. There are
5
0
0
inspection hours available
for the month. The time required (in hours)
for ea
ch department
to work on each
component
is sh
own
in the following table. Also shown are the minimum number of
componen
ts
that must be produced for
the month and the unit profit for each
component
.
COMPONENTS TO BE
PRODUCED
DEPARTMENT
A1
B2
C3
D4
CAPACITY OF EACH
DEPARTMENT
(hours)
DRILLING
0.
9
0
0.
5
0
0.
6
0.
7
14
00
MILLING
0.
8
0
0.
5
5
0.
7
0.
7
140
0
A
SSEMBLY
1.
1
0
0.60
0.50
0.
65
1
4
00
MINIMUM OF EACH
PRODUCT TYPE NEEDED
3
00
5
0
0
6
00
4
0
0
PROFIT ($/UNIT)
$1
4
$1
0
$1
1
$
1
5
Formulate and solve the problem in Excel to determine the number of each product to
manufacture that
meets the requirements and maximizes profits.
a)
What is the
maximum profit
based on your optimal solution (the value of the objective
function)?
b)
How many
A
1's
should be manufactured based on your optimal solution
?
c)
How many
B
2's
should be
manufactured based on your optimal solution
?
d)
How many
C3
's
should be manufactured based on your optimal solution
?
e)
How many
D4
's
should be manufactured based on your optimal solution
?
f)
What is the total number of hours used in
the drilling department
based on your optimal
solution?
g)
What is the total number of hours used in
the milling department
based on your optimal
solution?
h)
What is the total number of hours used in
the
assembly
departmen
t
based on your optimal
solution?
i)
What is the total number of hours used in
the inspection department
based on your optimal
solution?
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