Mma Welding; Welding Task Selection; Welding Current Setting; Arcforce - EWM alpha Q Progress drive 4D EF Operating Instructions Manual

Design and function

MMA welding

5.10 MMA welding

5.10.1 Welding task selection

Manual arc welding or, for short, MMA welding. It is characterised by the fact that the arc burns between
a melting electrode and the molten pool. There is no external protection; any protection against the
atmosphere comes from the electrode.
•
Select JOB 128 (MMA welding task).
It is only possible to change the JOB number when no welding current is flowing.
Operating
element

5.10.1.1 Welding current setting

The welding current is normally set using the "Wire speed" rotary dial.
Operating
element

5.10.1.2 Arcforce

Operating
element
84
Action Result
Select JOB number input
1 x
Set the JOB number
The machine adopts the required setting after
approx. 3 seconds
Action Result
Welding current is set
Action Result
Select arcforcing welding parameter
LED for the button
Arcforcing setting for electrode types:
(Setting range -40 to 40)
Negative values
Values around zero Basic
Positive values
is on.
Rutile
Cellulose
Display
Displays
Setpoint setting
Display
099-005459-EW501
17.12.2015