Hobart 125 EZ Welder User Manual


 
OM-923 Page 27
8-2. Typical Control Settings
These settings are guidelines only. Material and wire type, joint design, fitup,
position, etc. affect settings. Test welds to be sure they comply to specifications.
NOTE
3.5 x 125 A = 437 ipm
2 x 125 A = 250 ipm
1.6 x 125 A = 200 ipm
30 90 A
40 145 A
50 180 A
Convert Material
Thickness to
Amperage (A)
Material thickness determines weld
parameters.
.035 in
Recommendation
Wire Speed
(Approx.)
1/8 or 0.125 in
(0.001 in = 1 ampere)
0.125 in = 125 A
Wire Size Amperage Range
0.023 in
0.030 in
0.035 in
Select Wire Size
Wire
Size
0.023 in
0.030 in
0.035 in
3.5 in per ampere
2 in per ampere
1.6 in per ampere
Select Wire Speed
(Amperage)
125 A based on 1/8 in
material thickness
ipm = inches per minute
Low voltage: wire stubs into work
High voltage: arc is unstable (spatter)
Set voltage midway between high/low voltage
Select Voltage
Ref. 804 121-C
Metal thickness select will control
both voltage and wire feed speed by
selecting metal thickness.