Table 2
Preliminary test welding results in the flat position with pure argon shielding gas
Run Pulse frequency,
f (pulse/s)
Speed,
Vw (mm/s)
Pulse current,
Ip (A)
Base current,
Ib (A)
Percent
on-time
Uunaccepted,
Aaccepted
(DIN 8563)
1 0.75 4.0 144 91 55 U
2 0.75 4.0 156 91 55 U
3 0.75 4.0 160 100 55 U
4 0.75 4.0 160 100 55 U
5 1.0 4.0 185 77 55 U
6 1.0 3.4 190 35 55 U
7 1.0 3.4 190 42 55 U
8 1.0 3.4 190 38 55 U
9 1.0 3.4 190 42 55 U
10 1.0 3.4 190 42 55 A
11 1.0 3.0 200 42 55 U
12 1.0 3.4 200 42 55 A
13 1.0 3.8 200 42 55 U
14 1.0 5.0 200 42 55 U
15 1.0 6.8 200 42 55 U
16 0.4 3.4 200 42 55 U
17 0.5 3.4 200 42 55 U
18 1.0 3.4 200 42 55 A
19 1.5 3.4 200 42 55 U
20 2.0 3.4 200 42 55 U
21 1.0 3.4 200 42 35 U
22 1.0 3.4 200 42 45 U
23 1.0 3.4 200 42 55 A
24 1.0 3.4 200 42 65 U
25 1.0 3.4 200 26 55 U
26 1.0 3.4 200 35 55 U
27 1.0 3.4 200 42 55 A
28 1.0 3.4 200 52 55 U
29 1.0 3.4 200 61 55 U
30 1.0 3.4 200 70 55 U