iROB
®
501 PRO
7 Operation
EN
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47
7.5 Effects of the welding parameter settings
Incorrectly set welding parameters can impair the welding results.
7.6 Examples of welding parameter settings
The values shown are for guidance only. Adjust the values in line with the actual welding task and position.
7.6.1 Example parameters for CO
2
Example of welding parameters with a horizontal fillet weld
Tab. 17
Effects of the welding parameter settings
Symptom
Problem
The arc length is too long.
The seam is too wide.
The shielding gas cover is too weak.
The free wire end is too short.
The arc length is too short.
High level of weld spatter build-up.
The free wire end is too long.
The arc length is too long.
The seam is too wide.
The penetration is too shallow.
The welding voltage is too high.
The wire touches the component and spatter occurs.
The seam is too narrow.
The welding voltage is too low.
The seam is too wide.
The penetration is too deep.
The welding current is too high.
The seam is too narrow.
The penetration is too shallow.
The welding current is too low.
Tab. 18
Example of CO
2
welding parameters
Sheet
thickness t
(mm)
Length l
(mm)
Wire
diameter
(mm)
Welding
current
(A)
Arc
voltage
(V)
Welding
speed
(cm/min)
CO
2
gas flow
rate
(l/min)
1.2
2.5 to 3.0
0.9 to 1.0
70 to 100
18 to 19
50 to 60
10 to 15
1.6
2.5 to 3.0
0.9 to 1.2
90 to 120
18 to 20
50 to 60
10 to 15
2.0
3.0 to 3.5
0.9 to 1.2
100 to 130
19 to 20
50 to 60
15 to 20
2.3
3.0 to 3.5
0.9 to 1.2
120 to 140
19 to 21
50 to 60
15 to 20
3.2
3.0 to 4.0
0.9 to 1.2
130 to 170
19 to 21
45 to 55
15 to 20
4.5
4.0 to 4.5
1.2
190 to 230
22 to 24
45 to 55
15 to 20
6.0
5.0 to 6.0
1.2
250 to 280
26 to 29
40 to 50
15 to 20
9.0
6.0 to 7.0
1.2
280 to 300
29 to 32
35 to 40
15 to 20
12.0
7.0 to 8.0
1.2
300 to 340
32 to 34
30 to 35
20 to 25
