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Special, non-latched with superpulse
I
Step 1
•
Press and hold torch trigger
•
Shielding gas is expelled (gas pre-flows)
•
Wire feed motor runs at "creep speed".
•
Arc ignites after the wire electrode makes contact with the workpiece, welding current is flowing (start
program P
START
•
Slope on main program P
•
Start the super pulse function beginning with main program P
The welding parameters change at the specified times between main program P
main program P
Step 2
•
Release torch trigger
•
Super pulse function is ended.
•
Slope to end program P
•
WF motor stops.
•
Arc is extinguished after the preselected wire burn-back time expires.
•
Gas post-flow time elapses.
099-005183-EW501
17.12.2010
1.
P
START
for the time t
).
start
.
A
.
B
for the time t
END
P
B
P
A
Figure 5-19
:
A
.
end
Design and function
MIG/MAG welding
2.
P
END
and the reduced
A
t
t
t
47
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