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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.

2.6.2 Welding power adjustment in automatic mode

Adjusting the welding power according to sheet thickness aects

simultaneously both wire feed speed and amount of current lead to the wire.

This is a good starting point for welding in dierent operating situations.

However, connection type and root opening may inuence the amount of

welding power needed.

Select the correct parameter with the welding power control according

to the welded llet weld’s sheet thickness. If the llet weld’s sheets are of

dierent 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 rst time, we recommend that you set the arc

length trimmer to 0.

2.6.3 Arc length trimmer in automatic mode

The arc length trimmer adjusts the length of the arc shorter or longer and

aects the welding temperature. A shorter arc is colder and a longer one

hotter. The arc length trimmer also aects the arc’s welding properties and

spatters with dierent combinations of ller 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.

If, on the other hand, you want to weld with a colder arc to prevent for

example the parent material from burning through, adjust the arc shorter by

turning the control counter clockwise. You can also adjust the welding power,

if need be.

When adjusting the arc length, the weld on the arc trimmer chart on the

display correspondingly changes more concave or convex.

Kemppi Adaptive 180 User Manual

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