Work Element Time (Sec) Immediate Predecessor(s) A 40 None 80 A C 30 D, E, F D 25 E 20 B F 15 B G 120 A H 145 G 130 J 115 C,I Total 720 B.

Practical Management Science
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A company is setting up an assembly line to produce 192 units per 8-hour shift. The following table iden-
tifies the work elements, times, and immediate predecessors:

a. What is the desired cycle time (in seconds)?
b. What is the theoretical minimum number of stations?
c. Use trial and error to work out a solution, and show your solution on a precedence diagram.
d. What are the efficiency and balance delay of the solution found?

Work Element
Time (Sec)
Immediate Predecessor(s)
A
40
None
80
A
C
30
D, E, F
D
25
E
20
B
F
15
B
G
120
A
H
145
G
130
J
115
C,I
Total 720
B.
Transcribed Image Text:Work Element Time (Sec) Immediate Predecessor(s) A 40 None 80 A C 30 D, E, F D 25 E 20 B F 15 B G 120 A H 145 G 130 J 115 C,I Total 720 B.
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