Problem: Assembly-Line Balancing
The desired daily output for an assembly line is 24 units. This assembly line will operate 480 minutes per day. The following table contains information on this product's task times and precedence relationships:
|
Task
|
Predecessor(s)
|
Task Time (minutes)
|
|
A
|
--
|
11
|
|
B
|
A
|
15
|
|
C
|
B
|
8
|
|
D
|
B
|
7
|
|
E
|
C,D
|
5
|
Task
1) Draw the network diagram.
2) What is the cycle time (in minutes) based on the desired production time?
3) Determine the theoretical minimum number of work stations needed.
4) Using your network developed in question a) to assign tasks to specific workstations.
5) What is the efficiency of your line balancing?