Electrode And Gas Flow Rate For Various Welding Current - YASKAWA MOTOWELD-T300D Instructions Manual

13.2 Electrode and Gas Flow Rate for Various Welding Current

Table 13.2 Welding Current and Gas Flow Rate for Electrode Diameter
Electrode
Diameter
(φmm)
0.5
1.0
1.6
2.0
2.4
3.2
4.0
4.8
6.4
∗ These values are applied when the cleaning control knob is set to
Note: In the welding current range of AC and DC electrode negative, the
Welding Current (A)
AC* DC
Electrode
Negative
5 to 15 4 to 15
10 to 55 10 to 65
45 to 96 55 to 120
70 to 120 85 to 150
90 to 150 120 to 200
140 to 210 200 to 320
180 to 280 320 to 400
230 to 330 400 to 640
300 to 450 640 to 880
Standard. Reduce the current value when it is set to Strong.
lower limit indicates the minimum operational current for the pure
tungsten electrode, and the upper limit indicates the maximum
operational current for the thoriated tungsten current.
50
Argon
Gas
Flow
Rate
DC
(Litter/
Electrode
min)
Positive
3 to 7
－
4 to 8
－
8 to 15 6 to 9
8 to 20 6 to 10
10 to 25 7 to 10
20 to 30 10 to 15
30 to 45 12 to 20
45 to 65 15 to 25
65 to 100 20 to 30