Welding Power Adjustment In Automatic Mode; Arc Length Trimmer In Automatic Mode - Kemppi MinarcMig 180 Operation Instructions Manual

During welding, the wire feed speed chart displays the wire's speed.
Of all the welding parameters, only filler wire feed speed is visible on the
display all the time. Welding voltage and welding current are visible on the
display during welding. The last used values remain on the display until
welding is restarted or settings are changed.
When adjusting the arc length, the voltage display shows a comparative scale
(-9...0...9) which will disappear from the display after some time once the
adjustment is made.

3.5.2. Welding power adjustment in automatic mode

Adjusting the welding power according to sheet thickness affects simultaneously
both wire feed speed and amount of current lead to the wire. This is a good
starting point for welding in different operating situations. However, connection
type and root opening may influence the amount of welding power needed.
Select the correct parameter with the welding power control according to the
welded fillet weld's sheet thickness. If the fillet weld's sheets are of different
thickness, use their average as a default parameter.
Sheet thickness display has been given in millimetres and it is based on , with
steel and stainless steel wires, 0.8 mm wire diameter. When using a 0.6 mm
wire, set the welding power control slightly higher than the used sheet thickness
and correspondingly slightly lower with 0.9-1.0 mm wires. With aluminium
wires, the welding power adjustment is based on 1.0 mm wire diameter.
NOTE! When welding for the first time, we recommend that you set the arc
length trimmer to 0.

3.5.3. arc length trimmer in automatic mode

The arc length trimmer adjusts the length of the arc shorter or longer and affects
the welding temperature. A shorter arc is colder and a longer one hotter. The
arc length trimmer also affects the arc's welding properties and spatters with
different combinations of filler wire diameters and shielding gases. The trimmer
range is -9...0...9: negative values shorten and positive values lenghten the arc.
The trimmer is preset at 0 which is, in most cases, a suitable basic setting.
If the weld is too convex, the arc is too short or cold. Then adjust the arc longer
or hotter by turning the control clockwise.
© Kemppi Oy 0640
MinarcMig™ Adaptive 180
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