Datasheet

Thursday, 17 July 2003 MiniProject: Design Aspects Colin K McCord
EEE512J2 – Electronic Product Design Page 25 Chapter 4: Project Planning and Management
5 1.41 0.3 0.3 + 0.11 + 0.38 + 0.5 + 0.12
6 1.11 0.11 0.11 + 0.38 + 0.5 + 0.12
7 1.51 0.4 0.4 + 0.11 + 0.38 + 0.5 + 0.12
8 1.11 0.11 0.11 + 0.38 + 0.5 + 0.12
9 1.3 0.3 0.3 + 0.38 + 0.5 + 0.12
10 1 0.38 0.38 + 0.5 + 0.12
11 0.62 0.5 0.5 + 0.12
12 0.12 0.12 0.12
Step 2: Make a table with the largest RPN at the top.
W
e
RPM T
e
1 2.71 0.2
3 2.51 0.7
4 1.81 0.1
2 1.51 0.4
7 1.51 0,4
5 1.41 0.3
9 1.4 0.3
6 1.11 0.11
8 1.11 0.11
10 1 0.38
11 0.62 0.5
12 0.12 0.12
Step 3: Assign each W
e
to a work station according to precedence’s and time constraint.
Work Station No. Element (W
e
) T
e
Sum of T
e
@ W.Station
1 0.2
3 0.7
1
4 0.1
1.0
2 0.4
7 0.4
2
6 0.11
0.91
5 0.3
9 0.3
8 0.11
3
12 0.12
0.83
10 0.38
4
11 0.5
0.88
∑
e
w
3.64
Balancing delay
−
−
=×=×=×=
∑
4(1) 3.64 0.36
100 100 100 9%
4(1) 4
Ce
C
nT w
d
nT