LIBRARY ı6ıul 0) - Cranfield University

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Table J. 3 - Welding data collected from stand-off slope trial "s15 2003"
Time
(ms]
so
qmm]
'mean
[A]
ASO
[mm]
Z[Imean,
0 15 179.2 0 0
512 15.85 174.6 0.85
1024 16.69 172.2 1.69
1536 17.54 171.4 2.54
2048 18.39 167.6 3.39
2560 19.23 165.6 4.23
3072 20.08 164.6 5.08
WFS =7 m/nun
5w = U. 5 mlmin
Vset = 21.8 V Vreq = 19.9 V
10
5
y=0.0017x
k - Imean, (k. 1)]
[A]
-4.6
-7.0
-7.8
-11.6
-13.6
-14.6
0 im dS0 [mm]
1000 1500 20oD 2500 300 3E M" Sum(I(k)-1(k-1)) [A]
"''Linear (Sum(I(k)-I(k-1)) [A])
-10 ýLinear (dS0 [mm))
y=-0.004&-1.3429
-15 R2M0 . 9Eý9
-20
Time [ms]
Figure J. 3 - Plot of stand-otl variation and cumulative changes in welding
current for welding trial "s15 2003"
Table J. 4 - Welding data collected from stand-off slope trial "s15_2004"
Time
[ms]
so
[mm]
I... "
[A]
AS
0 15 196.7 0
512 15.95 192.1 O. S
1024 16.91 188.0 1. S
1536 17.86 186.3 2. S
2048 18.81 184.2 3.8
2560 19.76 178.4 4. ý
WFS =8 m/min
Vset = 22.1 V
Sw = 0.9 m/min
Vreq = 20.2 V
253
mi