ESAB Aristo U82 - Page 30

4 MIG/MAG WELDING
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© ESAB AB 2013
Difference in the wire feed speed
The graphs for 15m/min and 20m/min relate to primary wire feed speed. The cycle time is
the sum of primary and secondary phase time.
The difference between primary and secondary wire feed speed may not exceed the speed
that is specified by the graphs for primary wire speed.
Example: If the cycle time is 0.25s and the primary wire feed speed is 15m/min, the
difference between primary and secondary wire feed speed may not exceed 6m/min.
Weld example A
In this example we will weld a 10 mm plate with 1.2 mm aluminium wire and argon
shielding gas.
Make the following settings using the control panel:
Process
Phase
Method
Wire type
Shielding gas
Wire diameter
Voltage
Wire feed speed
Phase time
Superpulse
Primary
Short-/Sprayarc
ER5356
Ar
1.2 mm
(+1.0 V)
15.0 m/min
0.1 s
Superpulse
Secondary
Pulsing
ER5356
Ar
1.2 mm
(+3.0 V)
11.0 m/min
0.1 s
Primary and secondary phase time are 0.1 s + 0.1 s = 0.2 s.
The difference in wire feed speed is 15.0 m/min - 11.0 m/min = 4 m/min.