13.4 Adjustment of Short-circuit Welding Characteristics
13-6
HW0480311
HW0480311
13.4 Adjustment of Short-circuit Welding Characteris-
tics
The following parameters change the short-circuit welding characteristics under the main
welding characteristics.
Parameter
No.
Meaning Guideline of Adjustment
P37
Current increasing speed
at short-circuit (first half)
-For unstable arc; Increase the value.
-For excessive spatters; Decrease the value.
P38
Current increasing speed
at short-circuit (second
half)
P49
Arc control 1 • When arc occurs for a long time without sphere-drip
dropping; Decrease P49, increase P50 and P51.
• When arc is not stable;
Increase P49, decrease P50 and P51.
• To make beads flat for stainless-steel or the like;
Increase P49, P50, and P51
• When short-circuit occurs for a long time;
Decrease P parameter P49, increase P parameter P50
and P51.
• When burn-through occurs;
Decrease P parameter P49, P50, and P51.
• When weld penetration is needed;
Increase P parameter P49, P50, and P51.
P50
Arc control 2
P51
Arc control 3
Arc control 3
Arc control 2
Arc control 1
Short-circuit current
increasing speed 1
Short-circuit current increasing speed 2
Creation of droplet
Arc
Short-circuit
Droplet transition
P49
P50
P51
P38
P37
I
t
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