Reference Tables - Firepower FP 125 Operating Manual & Installation Manual

FIREPOWER FP 125,135,165

4.12 Reference Tables

The following tables are provided as user aids when performing MIG or FLUX CORED welding.
Type of Gas
Carbon Dioxide (CO2)
Argon (Ar) - Carbon Dioxide (CO2)
Argon (Ar)
Result Desired
Arc
Voltage
Deeper Penetration
Shallower
Penetration
Larger Bead
Smaller Bead
Higher Narrower
Bead Decrease
1
Flatter Wider Bead Increase
1
Faster Deposition
Rate
Slower Deposition
Rate
Key: (1) First Choice, (2) Second Choice, (3) Third Choice, (4) Fourth Choice, (5) Fifth Choice
NOTE!
Same adjustment is required for wire feed speed.
* When these variables are changed, the wire feed speed must be adjusted so that the welding current remains constant. See DEPOSI-
TION RATE in the WELDING VARIABLES section. This change is especially helpful on materials of 20 gauge (.04" 1mm approximately)
and smaller in thickness.
OPERATION
Typical Mixtures
75% Ar – 25% CO2
Table 4-1: Type of Gas
Welding Variable
Welding Current Travel
(wire speed) Speed
Increase
1
Decrease
1
Increase Decrease
1 2
Decrease Increase
2 2
Increase
1
Decrease
1
Table 4-2: Welding Variables
4-8
Primary Uses
Mild and low alloy steels
Mild and low alloy steelsStainless Steel
Aluminum
Nozzle Angle Stick out
Trailing Max 25° Decrease
3 2
Leading Increase
3 2
Increase (*)
3
Decrease (*)
3
Trailing Increase
2 3
90° or Leading Decrease
2 3
Increase (*)
2
Decrease (*)
2
Wire size Gas Type
Smaller
5
(*) CO
4
2
Ar CO
4
2
Larger mix
5
Smaller
3
Larger
3
Manual 0-5123