Question: ASSEMBLY LINE BALANCING 1. An assembly line must be designed to produce 50 packages per hour. The following table give the necessary information: Task Immediate

ASSEMBLY LINE BALANCING

1. An assembly line must be designed to produce 50 packages per hour. The following table give the necessary information:

Task Immediate Predecessor Task time (sec.)
A NONE 25
B A 60
C B 35
D B 45
E B 10
F C,D,E 50

i. Draw the precedence diagram with annotations of times next to their tasks.

ii. What is the maximum output rate achievable?

iii. Compute the cycle time to achieve the desired output rate [3 marks] iv. What is the theoretical minimum number of workstations?

v. Balance the line using the Longest Operation Time (LOT) rule.

vi. What is the resulting balance efficiency and the idle time percentage?

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