Design and function
TIG welding
099-000143-BOC01
16.11.2009
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5.8.5
Pulses, function sequences
NOTE
The function sequences in pulses basically behave in the same way as in standard
welding, but during the main current phase there is a continual switching back and forth
between the pulse and pause currents at the relevant times.
5.8.5.1
TIG pulses – non-latched operation
AMP%
I
I
start
AMP
I
end
t
Up
t
Down
t
1.
2.
Figure 5-12
5.8.5.2
TIG pulses - latched operation
I
I
start
AMP
I
end
t
Up
t
Down
t
AMP%
1.
2.
3.
4.
Figure 5-13