LIBRARY ı6ıul 0) - Cranfield University

Table J. 18 - Welding data collected from stand-off slope trial "s151008"
Time
[msl
So
Lmml
Imean,
k
[A]
ASO
[mm]
E[Imcan, k- Imean, (k-1)]
[A]
0 15.00 295.6 0.00 0.0
512 14.26 301.5
1024 13.52 306.9
1536 12.78 313.5
2048 12.04 321.2
2560 11.30 329.7
3072 10.55 335.1
wry = i2. s m/mm
Vset = 33.8 V
Sw = 0.7 m/min
Vreq = 31.1 V
-0.74
-1.48
-2.22
-2.96
-3.70
-4.45
5.99
11.32
17.90
25.63
34.16
39.55
40.00-
L
35.00--
30.00--
25.00
y=0.0132x -1.0607
RZ = 0.995 f dSO [mm]
20.00 Sum{I(k)-I(k-1)) [A]
15.00 Linear (dSO [mm])
10.00
5.00
0.00
e
y= -0.0014x
-Linear (Sum(I(k)-I(k-1)) [A])
-5.00 0 500 1000 1500 2000 2500 3000 3500
Time [ms]
Figure J. 18 - Plot of stand-off variation and cumulative changes in welding
current for welding trial ßs15 1008"
Table J. 19 - Welding data collected from stand-off slope trial "s151009"
Time
[ms]
SO
[mm]
Imean, k
[A]
ASO
[mm]
I[Imean,
0 15.00 309.8 0.00 0.0
512 14.26 313.7 -0.74
1024 13.52 321.3 -1.48
1536 12.78 326.5 -2.22
2048 12.04 334.2 -2.96
2560 11.30 342.1 -3.70
3072 10.55 351.6 -4.45
3584 9.81 356.0 -5.19
WFS = 13.5 m/min Sw = 0.7 m/min
Vset = 34.3 V Vreq = 31.5 V
264
k-
[A]
3.9
11.5
16.7
24.4
32.2
41.8
46.2
Imean, (k-l)]