(a) Draw the precedence diagram (use the MSWord template provided). (b) Calculate the desired cycle time. Use the rounding to make the answer a whole number (Use MSExcel template provided). (c) What is the theoretical minimum number of stations? (Use MSExcel template provided).
Question. The following table is given for the line balancing. The target is to produce 520 units per day within an 8 hour of shift.
Do the followings:
(a) Draw the precedence diagram (use the MSWord template provided).
(b) Calculate the desired cycle time. Use the rounding to make the answer a whole number (Use MSExcel template provided).
(c) What is the theoretical minimum number of stations? (Use MSExcel template provided).
(d) Find the positional weight and the number of following tasks for each task (Use MSExcel template provided).
(e) Assign tasks according to the greatest positional weight rule (Use MSExcel template provided).
(f) Find the efficiency of this operation (Use MSExcel template provided).
|
Task |
Immediate predecessor |
Task time (second) |
|
A |
|
11 |
|
B |
A |
25 |
|
C |
A |
33 |
|
D |
A |
13 |
|
E |
B |
17 |
|
F |
B |
22 |
|
G |
B |
5 |
|
H |
D |
34 |
|
I |
D |
17 |
|
J |
C,G,H |
25 |
|
K |
E,F |
6 |
|
L |
I,J |
15 |
|
M |
J,K |
21 |
|
N |
K |
9 |
|
O |
M,N |
21 |
|
P |
L,O |
35 |
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When calculating the cycle time, 8*60*60/520, where did the 60 came from?
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