12
Setup Guide and component Identification
Section 2
PROCESS
TORCH POLARITY
WORK POLARITY
MIG (GMAW)
+
-
FLUX CORE (FCAW)
-
+
STICK (SMAW)
+
-
GENERAL POLARITY RECOMMENDATIONS*
*Consult manufacturer directions of filler material. There are exceptions!
Table 1
PROCESS
GAS
MIG (GMAW) STEEL
80/20 Ar/CO2 or 75/25 Ar/CO2 for short Circuit MIG
MIG (GMAW) STAINLESS
98/2 Ar/O2 or TriMix
MIG (GMAW) ALUMINUM
100% Argon
GAS SELECTION GUIDE
Table 2
WIRE DIAMETER
WELDING AMPS (A)
PLATE THICKNESS
GAS FLOW RATE MAX
.023” (0.6)
25
-
110
.040”-.063” (1.0-1.6)
15
-
20 CFH /7
-
10 lpm
.030” (0.8)
35
-
200
.040”-.128” (1.0-3.2)
20
-
25 CFH/ 10
-
14 lpm
.035” (0.9)
45
-
250
.040”-.128”.(1.0-3.2)
20
-
30 CFH/ 10
-
16 lpm
.040” (1.0)
45
-
250
.050”-.25”+(1.2-6.0+)
25+ CFH/ 14+ lpm
.045” (1.2)
60
-
250
.25”+ (6.0+)
25+ CFH/ 14+lpm
MIG (GMAW) CURRENT/WIRE/SINGLE PASSTHICKNESS GENERAL SUGGESTIONS
METAL THICKNESS
ELECTRODE SIZE
WELDING AMPS
< 1 mm/.040
”
1.5 mm/
1/16”
20
-
40
2 mm/.080
”
2 mm/3/32
”
40
-
90
3 mm/
1/8”
3.2 mm/1/8
”
90
-
110
4
-
5 mm/
3/16”
3.2
-
4 mm/
1/8”-3/16”
90
-
130
6
-
12 mm/
1/4”-1/2”
4
–
5
mm/
3/16”
130
-
200
DC STICK (SMAW) OPERATION GUIDE
Table 3
Table 4