Statistical Design of Experiments
Statistical Design of Experiments
Exercise 2
Exercise 2
1/16 Fractional Factorial (L
1/16 Fractional Factorial (L
8
8
)
)
Fuel Pump Fuel
Response
Test
Input Air Fuel Pump TDC Set
Mfg
Nut Pump Gear Backlash Fuel Pump
#
Press. Mfg
Nut Point Torque Set Torque Tool
Assoc. Timing (mm)
1 100
psi
snug
.75
deg
top first
two step
METC
Bob
1.21 1.17 1.26
2 100
psi
snug
.75
deg
bottom first
one step
spring
Jim
1.11 1.15 1.14
3 100
psi
loose
TDC top first
two step
spring
Jim
1.22 1.32 1.29
4
100
psi
loose
TDC bottom first one step
METC
Bob
1.35 1.38 1.36
5
80
psi
snug
TDC top first one step
METC
Jim
1.25 1.23 1.26
6
80
psi
snug
TDC bottom first two step
spring
Bob
1.20 1.16 1.26
7
80
psi
loose
.75
deg
top first one step
spring
Bob
1.19 1.12 1.18
8
80
psi
loose
.75
deg
bottom first two step
METC
Jim
1.18 1.23 1.27