SUMMARY
7
technology to insure current output stably. Meanwhile, the welding current parameter can be
adjusted continuously to meet with the requirements of welding craft.
Rectify
Inverter
Medium
frequency
transformer
Medium
frequency
rectify
Hall device
Current positive-
feedback control
Single phase,
AC
DC
AC
DC
220V±10%(50/60
HZ)
AC
DC
2.3 Volt-Ampere Characteristic
Arcostick welders have excellent volt-ampere characteristic as per the following graph. In MMA
welding, the relation between the rated loading voltage U
2
and welding current I
2
is as follows:
When I
2
≤
600A
，
U
2
＝
20
＋
0.04 I
2
（
V
）
；
When I
2
＞
600A
，
U
2
＝
44
（
V
）
.
64
44
20
0
600
I
2
（
A
）
U
2
（
V
）
Working
point
Volt-ampere characteristic
The relation of the rated loading
voltage&welding current
Summary of Contents for ARCOSTICK MMA 180
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