Information Technology Reference
In-Depth Information
Table 8.4 Variance analysis of DOE1 experiment, disregarding the variables injection tem-
perature (Q), mold temperature (Q) and packing time (Q)
Parameter
SS
df
MS
F
0
P-value
(1) Injection time (L)
675.6
1
675.6
322.07
0.00000002
Injection time (Q)
20.4
1
20.4
9.74
0.01230733
(2) Injection temperature (L)
33.0
1
33.0
15.73
0.00327234
(3) Mold temperature (L)
9.6
1
9.6
4.58
0.06090199
(4) Packing pressure (L)
386.8
1
386.8
184.39
0.00000027
Packing pressure (Q)
15.4
1
15.4
7.34
0.02405852
(5) Packing time (L)
14.3
1
14.3
6.83
0.02811636
Interaction between 1L and 2L
17.6
1
17.6
8.41
0.01759242
Interaction between 1L and 3L
10.8
1
10.8
5.16
0.04921753
Interaction between 1L and 4L
11.6
1
11.6
5.51
0.04354916
Interaction between 1L and 5L
15.7
1
15.7
7.51
0.02284851
Interaction between 2L and 3L
11.2
1
11.2
5.32
0.04654042
Interaction between 2L and 4L
19.0
1
19.0
9.06
0.01471052
Interaction between 2L and 5L
15.5
1
15.5
7.40
0.02359824
Interaction between 3L and 4L
15.4
1
15.4
7.32
0.02413782
Interaction between 3L and 5L
23.9
1
23.9
11.40
0.00817684
Interaction between 4L and 5L
11.0
1
11.0
5.25
0.04760392
Error
18.9
9
2.1
Total
1389.5
26
.
100
Factors Effect [accumulated %]
A (1) Injection Time (L)
80
B (4) Packing Pressure (L)
C (2) Injection Temperature (L)
D 3L by 5L
E Injection Time (Q)
F 2L by 4L
G 1L by 2L
H 1L by 5L
I 2L by 5L
60
J Packing Pressure (Q)
K 3L by 4L
L (5) Packing Time (L)
M 1L by 4L
N 2L by 3L
O 4L by 5L
P 1L by 3L
Q (3) Mold Temperature (L)
R Error
S Other
40
20
0
ABC
D
E
F
GHI
JKLMNOPQRS
Factor
Fig 8.5
Pareto chart, DOE1 experiment
Search WWH ::
Custom Search