Kemppi Promig 200 ML - Manual (Page 9)

PROMIG 200ML/0520 – 9 © KEMPPI OY
3. OPERATION
Welding in places presenting an immediate fire or explosion hazard is forbidden!
3.1. WELDING PROCESSES
3.1.1. MIG/MAG -welding
In MIG/MAG-welding the filler wire is feeded through welding gun wire conduit to the welding
joint. Welding current strenght and wire feed speed are chosen according to the characteristics of
the work piece to be welded. The values are selected and adjusted with separate potentiometers.
3.1.2. Synergic MIG/MAG -welding or 1-MIG
In synergic MIG-welding the parameters are determined by the wire feed speed setting. This means
that in the synergic process, welding power can be adjusted using one potentiometer only. In the
beginning of the process, a synergic curve suitable for the filler wire and gas must be chosen, to
make the parameters adjustable from wire feed potentiometer.
3.1.3. Synergic pulsed MIG-welding
In synergic pulsed MIG-welding the welding current is cut in pulses, so that the filler material
can be transferred to work piece controlled and without spatter. In the synergic process, welding
power can be adjusted using one potentiometer only. In the beginning of the process, a synergic
curve suitable for the filler wire and gas must be chosen, to make the parameters adjustable from
wire feed potentiometer. The pulse parameters of power source change automatically when wire
feed speed is changed.
3.2. SPECIAL FUNCTIONS
3.2.1. Welding gun trigger 2-sequence function
Gas flow and wire inch start, when the gun switch is pressed and stop when the switch is
released.
3.2.2. Welding gun trigger 4-sequence function
Gas flow starts, when the gun switch is pressed. When the switch is released, wire inch starts and
welding begins. When the gun switch is pressed again, wire inch stops and when the switch is
released, gas flow stops.
3.3. OPERATION FUNCTIONS
See also 2.4. Installation and main parts.
3.3.1. Wire feed unit and function panel
Before starting welding, welding settings suitable for the work piece are chosen in function panel.
See 3.1. Welding processes. When needed, the settings can be adjusted on function panel. The
main functions of the ML-panel are presented on the following page.