INSTRUCTION MANUAL
·
8
S
S
SP
P
PE
E
EE
E
ED
D
D---R
R
RE
E
EA
A
AD
D
D T
T
TA
A
AB
B
BL
L
LE
E
E
The option of the welding current and welding voltage directly influences the welding stability,
welding quality and productivity. In order to obtain the good weld, the welding current and welding
voltage should be set optimally. Generally, the setting of weld condition should be according to the
welding diameter and the melting form as well as the production requirement.
The following parameter is available for reference.
P
P
Pa
a
arrra
a
am
m
me
e
ettte
e
errr fffo
o
orrr b
b
bu
u
utttttt---w
w
we
e
ellld
d
diiin
n
ng
g
g (((P
P
Pllle
e
ea
a
as
s
se
e
e rrre
e
efffe
e
errr ttto
o
o ttth
h
he
e
e fffo
o
ollllllo
o
ow
w
wiiin
n
ng
g
g fffiiig
g
gu
u
urrre
e
e...)))
P
P
Pa
a
arrra
a
am
m
me
e
ettte
e
errr fffo
o
orrr fffllla
a
attt fffiiilllllle
e
ettt w
w
we
e
ellld
d
diiin
n
ng
g
g (((P
P
Pllle
e
ea
a
as
s
se
e
e rrre
e
efffe
e
errr ttto
o
o ttth
h
he
e
e fffo
o
ollllllo
o
ow
w
wiiin
n
ng
g
g fffiiig
g
gu
u
urrre
e
e...)))
Plate
thickness
t
（
mm
）
Gap
g(mm)
Wire
φ
(mm)
Welding
current
（
A
）
Welding
voltage
（
V
）
Welding
speed
（
cm/min
）
Gas
volume
（
L/min
）
0.8
0
0.8~0.9
60~70
16~16.5
50~60
10
1.0
0
0.8~0.9
75~85
17~17.5
50~60
10~15
1.2
0
1.0
70~80
17~18
45~55
10
1.6
0
1.0
80~100
18~19
45~55
10~15
2.0
0~0.5
1.0
100~110
19~20
40~55
10~15
2.3
0.5~1.0
1.0 or 1.2
110~130
19~20
50~55
10~15
3.2
1.0~1.2
1.0 or 1.2
130~150
19~21
40~50
10~15
4.5
1.2~1.5
1.2
150~170
21~23
40~50
10~15
Plate
thickness
t
（
mm
）
Corn size
I (mm)
Wire
φ
(mm)
Welding
current
（
A
）
Welding
voltage
（
V
）
Welding
speed
（
cm/min
）
Gas
volume
（
L/min
）
1.0
2.5~3.0
0.8~0.9
70~80
17~18
50~60
10~15
1.2
2.5~3.0
1.0
70~100
18~19
50~60
10~15
1.6
2.5~3.0
1.0 ~ 1.2
90~120
18~20
50~60
10~15
2.0
3.0~3.5
1.0 ~ 1.2
100~130
19~20
50~60
10~20
2.3
2.5~3.0
1.0 ~ 1.2
120~140
19~21
50~60
10~20
3.2
3.0~4.0
1.0 ~ 1.2
130~170
19~21
45~55
10~20
4.5
4.0~4.5
1.2
190~230
22~24
45~55
10~20
MIG 250
i
