LIBRARY ı6ıul 0) - Cranfield University

15.00
10.00
5.00
0.00
sm
y=0.00ý9Bx + 0.0025
RZ = 0.9676
c
EM
y= -0.001 ac
0 500 1000 1500 2000 2500 3000 3500 4000
Time [ms]
f
dSO [mm]
M Sum{I(k)-I(k-1)) [A)
-Linear (Sum(I(k)-I(k-1)} [A])
Linear (dSO [mm])
Figure J. 11 - Plot of stand-off variation and cumulative changes in welding
current for welding trial "s151001"
Table J. 12 - Welding data collected from stand-off slope trial "s151002"
Time
[ms]
so
[mm]
'mean, k
[A]
ASO
mm
E[Imean, k-
0 15.00 163.5 0.00 0.0
512 14.26 164.9
1024 13.52 169.4
1536 12.78 173.4
2048 12.04 176.6
2560 11.30 177.1
3072 10.56 180.6
WFS = 6.0 m/min
Vset = 21.5 V
20.00
15.00
10.00
5.00
0.00
rm
Sw = 0.7 m/min
Vreq = 19.6 V
y=0.0068x - 0.1543
R2 = 0.9721
y= -O. 14x
-0.74
-1.48
-2.22
-2.96
-3.70
-4.45
o 5M 1000 1500 2000 2500 3000 3500
Time [ms]
dSO [mm)
A
1.4
5.9
10.0
13.2
13.6
17.1
Imean, (k-1)]
u Sum(I(k)-I(k-1)} [A)
-Linear (Sum(I(k)-I(k-1)} [A])
-Linear (dSO [mm))
Figure J. 12 - Plot of stand-off variation and cumulative changes in welding
current for welding trial "s15 1002"
259