Weld Parameters - MAC TOOLS M-25 Owner's Manual

4-2. Weld Parameters

Selecting Wire, Gas and Control Settings*
What Material
are Y
ou Welding?
Steel
Steel − for outdoor
,
windy applications or
when weld appearance
is not critical.
Stainless steel
Aluminum with Optional
Spoolmatet 250 or
Spoolmatet 3545
spoolgun
*Do not change Voltage switch position while welding. Wire Speed is a starting value only, and can be adjusted while welding.
Weld conditions also depend on other variables such as stickout, travel speed, weld angle, cleanliness of metal, etc.
OM-219 806 Page 22
Suggested
Suggested
Shielding Gases
Wire T
ypes
and Flow Rate
Solid (or hard) 100% CO
ER70S−6
75% Ar/25% CO
(Ar/CO
spatter − better overall
appearance)
Flux core
No shielding gas required
E71T
−GS
Stainless steel
T
ER 308
(90% He/7.5% Ar/
2.5% CO
Aluminum 100% Ar
4043 AL
Aluminum 100% Ar
5356 AL
Input Line
Voltage
Higher
e.g. 240
Volts AC
230 Volts AC
Lower
e.g. 218
Volts AC
, 20 cfh
2
, 20 cfh
2
produces less
2
ri−Mix, 20 cfh
)
2
, 20 cfh
, 20 cfh
Parameter
Chart Settings
Weld Will Be
Hotter
Lower Settings
Use Parameter
Chart Inside
Door
Weld Will Be
Colder
Raise Settings
Wire Sizes
(Diameter)
.023" (0.6 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.045" (1.1 mm)
.023" (0.6 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.045" (1.1 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.045" (1.1 mm)
.023" (0.6 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.047" (1.2 mm)
.030" (0.8 mm)
.035" (0.9 mm)
.047" (1.2 mm)