Fronius TransSteel 2200, Руководство по эксплуатации

Страница: 87 / 136

Functions for Optimizing the Welding Process
Arc-Force
Dynamic Arc-force dynamic:
For influencing the short-circuiting dynamic at the instant of droplet transfer
- = hard, stable arc
0 = neutral arc
+ = soft, low-spatter arc
HotStart (Hti)
function This function is activated at the factory.
Advantages
- Improved ignition properties, even when using electrodes with poor ignition proper-
ties
- Better fusion of the parent material during the start-up phase, meaning fewer cold-
shut defects
- Slag inclusions largely avoided
200
300
I (A)
Hti
HCU > I
H
t (s)
I
H
HCU
0,5 1 1,5
Key
Hti Hot-current time,
0 - 2 s, factory setting 0.5 s
HCU HotStart current,
100 - 200%, factory setting 150%
I
H
Main current = set welding current
The Hti and HCU parameters can be set in
the Setup menu. For a parameter descrip-
tion see section
Parameters for MMA
Welding from page 99 .
Function
During the specified hot-current time (Hti), the welding current is increased to a certain
value. This value (HCU) is higher than the selected welding current (I
H
).
Anti-stick (Ast)
function This function is activated at the factory.
As the arc becomes shorter, the welding voltage may also fall so that the rod electrode is
more likely to stick to the workpiece. This may also cause the rod electrode to burn out.
Electrode burn-out is prevented by activating the anti-stick function. If the rod electrode
begins to stick, the power source immediately switches the welding current off. The weld-
ing process can be resumed without problems once the rod electrode has been
detached from the workpiece.
Deactivating the function:
1
Set the Ast (anti-stick) setup parameter to OFF
87
EN-US