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Functional characteristics
MMA welding
60
099-00L200-EW501
13.05.2022
5.2 MMA welding
5.2.1 Welding task selection
It is only possible to change the basic parameters when no welding current is flowing and any
possible access control is disabled
> see 5.7 chapter
.
The following welding task selection is an example of use. In general, the selection process always has
the same sequence.
MMA
MMA CEL
Figure 5-39
5.2.2 Hotstart
The function hot start ensures a secure igniting of the arc and a sufficient heating to the still cold parent
metal at the beginning of the welding process. The ignition takes place here with increased current (hot
start current) over a certain time (hot start time).
A = Hot start current
B = Hot start time
C = Main current
I =
Current
t =
Time
Figure 5-40
5.2.3 Selection and adjustment
4s
Figure 5-41