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5.8.5.4
TIG spotArc
This process is suitable for tack welding or joint welding of metal sheets made from steel and CrNi alloys
up to a thickness of approximately 2.5 mm. Metal sheets of different thicknesses can also be welded on
top of one another.
The spot welding operating modes (spotArc/Spotmatic) can be used with two different intervals, i.e. a
"long" or "short" interval, which are defined as follows:
Interval
Setting range
Long
0.01–20.0 s (10 ms)
Short
5–999 ms (1 ms)
When selecting the spotArc operating mode, the long interval is automatically preselected. When
selecting the Spotmatic operating mode, the short interval is automatically preselected. The user can
change the interval in the Configuration menu (see chapter "Advanced settings").
Selecting and setting TIG spotArc
Operating
element
The up-slope and down-slope times should be set to "0" to achieve an effective result.
099-000128-EW501
16.07.2014
Up-/down-slope Pulsing AC
Yes
No
Action
Result
Signal light
The spot time can be set for approx. 4 s using the "Welding parameter
setting" rotary dial (spot time setting range 0.01 s to 20.0 s)
Set spot time "tP"
The TIG spotArc process is switched on with the pulse variant "TIG
automated pulses" by default.
TIG automated pulses (frequency and balance)
Design and function
Yes
Yes
No
No
comes on
NOTE
TIG welding
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