8
List3
、
reference of tungsten
Current range
tungsten dia.
(mm)
Allowed range of current
(
A
)
Pure tungsten
Thorium tungsten,
cerium tungsten
1.0
10
~
80
10
~
80
1.6
40
~
130
60
~
130
2.0
75
~
160
100
~
160
2.4
150
~
200
150
~
200
The end of tungsten ought to be sharp
(
approximately 20°
)
in small current.
The end of tungsten ought to be milled as a cone with flat roof in large current.
List4. welding parameter of stainless steel
Workpiece
thickness
(
mm
)
Tungsten
dia.
(
mm
)
Filling Wire
dia.
(
mm
)
Welding
current
(
A
)
Argon flux
(L/min.)
groove
condition
Nozzle dia.
(mm)
0.4
1.0
~
1.6
1.0
8
~
20
3
~
4
A or B
4
~
9.5
0.6
1.0
~
1.6
1.0
20
~
40
4
~
5
A or B
4
~
9.5
1.0
1.0
~
1.6
1.6
30
~
60
4
~
5
A or B
4
~
9.5
1.6
1.6
~
2.4
1.6
60
~
100
4
~
5
B
6
~
10
2.4
1.6
~
2.4
1.6
~
2.4
100
~
130
4
~
7
B
6
~
10
3.2
2.4
~
3.2
2.4
~
3.2
140
~
200
6
~
8
B
8
~
13
A
B
P i c t u r e 5 . g r o o v e c o n d i t i o n
L i s t 5 . r e f e r e n c e f o r M M A
Stick dia.(mm)
2.0
2.5
3.2
4.0
Welding current(A)
30-60
50-100
80-160
120-200
Содержание TIG200P
Страница 17: ...16 9 CIRCUIT DIAGRAM...