Dr. Lori Baker, operations manager at Nesa Electro-nics, prides herself on excellent assembly-line balancing. She has been told that the firm needs to complete 96 instruments per24-hour day. The assembly-line activities are: TASK TIME (min) PREDECESSORSA 3 —B 6 —C 7 AD 5 A, BE 2 BF 4 CG 5 FH 7 D, EI 1 HJ 6 EK 4 G, I, J 50a) Draw the precedence diagram.b) If the daily (24-hour) production rate is 96 units, what is thehighest allowable cycle time?c) If the cycle time after allowances is given as 10 minutes, whatis the daily (24-hour) production rate?d) With a 10-minute cycle time, what is the theoretical minimumnumber of stations with which the line can be balanced?e) With a 10-minute cycle time and six workstations, what is theefficiency?f) What is the total idle time per cycle with a 10-minute cycletime and six workstations?g) What is the best workstation assignment you can makewithout exceeding a 10-minute cycle time, and what is itsefficiency?
Dr. Lori Baker, operations manager at Nesa Electro-
nics, prides herself on excellent assembly-line balancing. She has
been told that the firm needs to complete 96 instruments per
24-hour day. The assembly-line activities are:
TASK TIME (min) PREDECESSORS
A 3 —
B 6 —
C 7 A
D 5 A, B
E 2 B
F 4 C
G 5 F
H 7 D, E
I 1 H
J 6 E
K 4 G, I, J
50
a) Draw the precedence diagram.
b) If the daily (24-hour) production rate is 96 units, what is the
highest allowable cycle time?
c) If the cycle time after allowances is given as 10 minutes, what
is the daily (24-hour) production rate?
d) With a 10-minute cycle time, what is the theoretical minimum
number of stations with which the line can be balanced?
e) With a 10-minute cycle time and six workstations, what is the
efficiency?
f) What is the total idle time per cycle with a 10-minute cycle
time and six workstations?
g) What is the best workstation assignment you can make
without exceeding a 10-minute cycle time, and what is its
efficiency?
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