Fronius CMT 4000 Advanced Operating Instructions & Spare Parts

97
EN
Special 4-step
mode
Spot welding The “Spot welding” mode is suitable for welding joins on overlapped sheets.
Procedure for spot welding:
Hold welding torch in the vertical
Press and release the torch trigger
Keep the torch in the same position
Wait until the end of the gas post-flow time
Lift the torch off the workpiece
The welding operation can be aborted by pressing the torch trigger a second time.
“Special 4-step mode ” is particularly suitable for welding aluminium materials. The spe-
cial pattern of the welding current curve takes account of the high thermal conductivity of
aluminium.
I
t
I
GPr GPoE-I LSS-I
SL
+ +
1
2
3
4
5
t
I
+
SPt
GPr GPo
+

Fronius CMT 4000 Advanced Specifications

General

Brand	Fronius
Model	CMT 4000 Advanced
Category	AC Power Distribution
Language	English