LIBRARY ı6ıul 0) - Cranfield University

50.00-
40.00--
30.00--
20.00
y=0.01 35x -
2.1942
R20.992 =
f dSO [mm]
Sum{I(k)-I(k-1)) [A]
Linear (dSO [mm])
10.00 Linear (Sum{I(k)-I(k-1)) [A])
0.00
-10.00
y= -0.0014x
0 1000 2000 3000 4000
Time [ms]
Figure J. 19 - Plot of stand-off variation and cumulative changes in welding
current for welding trial "s15 1009"
Table J. 20 - Welding data collected from stand-off slope trial "s151010"
Time
[ms]
so
[mm]
Imean, k
[A]
LSO
[mm]
7-[Imean, k-
0 15.00 323.0 0.00 0.0
512 14.26 328.5
1024 13.52 334.7
1536 12.78 342.0
2048 12.04 350.0
2560 11.30 356.3
-0.74
-1.48
-2.22
-2.96
-3.70
3072 10.55 363.0 -4.45
WFS = 14.5 m/min
Vset = 34.8 V
45.00
40.00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
0. W
5.00
y=0.01 33x - 0.9432
R2 = 0.998
= -0.0014x
Sw = 0.7 m/min
Vreq = 32.0 V
o 500 1000 1500 2000 2500 3000 3500
Time [ms]
dSO [mm]
[A]
5.5
11.7
19.0
27.0
33.3
40.0
a Sum(I(k)-I(k-1)} (A]
-Linear
-Linear
(dSO (mm])
Imean, (k-1)]
(Sum{I(k)-I(k-1)) [A])
Figure J. 20 - Plot of stand-off variation and cumulative changes in welding
current for welding trial "s15 1010"
265
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