Vector Welding C-Series Operating Instructions Manual page 77

WELDING TECHNIQUE AND MAINTENANCE
TIG Welding
The relation of welding area color & protect effect of Ti-alloy
Welding area color bright argent orange-yellow blue-purple caesious white powder
Protect effect best
1.4 TIG Parameters Matching
04
The corresponding relationship between gas nozzle
diameter and electrode diameter
Gas nozzle diameter/mm
6.4
8
9.5
11.1
Notice: the above parameters originate from <<Welding Dictionary>> P142,Volume 1 of Edition 2.
Gas nozzle and the shield gas flow rate
DC positive connection
Welding
Gas nozzle
current range/A
diameter/mm
10~100 4~9.5
101~150 4~9.5
151~200 6~13
201~300 8~13
Notice: the above parameters originate from <<Welding Dictionary>> P149,Volume 1 of Edition 2.
Tungsten Electrode
Tungsten Sharpened of
the Electrode
Electrode
Diameter/mm Diameter/mm
1.0
0.125
1.0
0.25
1.6 0.5
1.6
0.8
2.4
0.8
2.4 1.1
3.2
1.1
4.0
1.5
144
of titanium oxid
good
better bad worst
Electrode diameter/mm
0.5
1.0
1.6 or 2.4
3.2
AC
Gas flow
Gas flow Gas nozzle
rate/L•min- 1 diameter/mm rate/L•min-
4~5 8~9.5
6~8
4~7 9.5~11
7~10
6~8
11~13
7~10
8~9 13~16
8~15
Background
Angle of Cone(º)
Current/a
12 2~15
20
5~30
25
8~50
30 10~70
35
12~90
45
15~150
60 20~200
90
20~300
WELDING TECHNIQUE AND MAINTENANCE
Workpiece
Joint form
thickness
/mm
0.8 Butt joint
1.0 Butt joint
1.5
Butt joint
1.5 Corner joint
2.4 Butt joint
2.4
Corner joint
3.2 Butt joint
3.2 Corner joint
4.8
Butt joint
4.8 Corner joint
6.0 Butt joint
Notice: the above parameters originate from <<Welding Dictionary>> P150,Volume 1 of Edition 2.
Parameters of piping back sealing welding for mild steel(DCEP)
Piping Tungsten
1
diameter electrode
Φ/mm diameter/mm
38 2.0
42
2.0
60 2.0
76 2.5
108 2.5
133 2.5
159 2.5
219 2.5
273 2.5
325 2.5
Notice: the above parameters originate from <<Welding Dictionary>> P167,
Volume 1 of Edition 2.
TIG of stainless steel(single run welding)
tungsten welding
Argon gas
electrode
wire
flow rate/
diameter diameter
L•min- 1
/mm /mm
5
1.0
1.6
1.6 5
1.6
1.6 7
1.6
7
1.6
1.6
1.6 7
2.4
1.6 7
2.4
7
1.6
2.4
1.6 7
2.4
2.4 8
3.2
3.2 9
3.2
4.0 10-12
4.0
Welding
Gas nozzle Welding Arc
wire diameter/mm
voltage/V
diameter/mm current/A
Welding current/A
8 2 11~13
75~90
8 2
11~13
75~95
8 2 75~100 11~13
8~10 2.5 80~105 14~16
8~10 2.5 90~110 14~16
8~10 2.5 90~115 14~16
8~10 2.5. 95~120 14~16
8~10 2.5 100~ 120 14~16
8~10 2.5 110~ 125 14~16
8~10 2.5 120~ 140 14~16
TIG Welding
welding
Welding
current
speed/
(DCEP)
cm•min-1
20~50
66
50~80
56
65~105 30
75~125
25
85~125
30
95~135 25
100~135
30
115~145
25
150~225 25
175~250 20
220~300
25
Argon flow Welding
rate/L•min- 1 rate/cm•min- 1
6~8 4~5
4~5
6~8
7~9 4~5
8~10 4~5
9~11 5~6
10~12 5~6
11~13 5~6
12~14 5~6
12~14 5~6
12~14 5~6
145