Advertisement
CHART 1 –
Select tungsten diameter and alumina nozzle based on current and application.
TYPICAL CURRENT RANGES FOR TUNGSTEN ELECTRODES
DCEN (-)
Tungsten
Pure and
Electrode
1%, 2%
Diameter
Thoriated
in. (mm)
Tungsten
0.020 (0.5)
0.040 (1.0)
15 - 80
1/16
(1.6)
70 - 150
3/32
(2.4)
150 - 250
1/8
(3.2)
250 - 400
With argon gas.
(1)
CHART 2 –
Select Collet/Collet body or Gas Lens Collet body (requires insulator) based on
tungsten diameter and application.
Tungsten
Electrode
Diameter
in. (mm)
0.020
(0.5)
0.040
(1.0)
1/16
(1.6)
3/32
(2.4)
1/8
(3.2)
CHART 3
(Alumina Gas Nozzle)
Nozzle Orifice
Diameter
in. (mm)
1/4
(6)
5/16
(8)
3/8
(10)
7/16
(11)
1/2
(12.5)
5/8
(16)
DCEP (+)
Pure and
1%, 2%
Thoriated
Tungsten
5 - 20
(2)
(2)
10 - 20
15 - 30
25 - 40
DCEP (+) is not commonly used in these sizes.
(2)
Collet
Part No.
(Industry Ref.)
KP2029-1B1 (13N20)
KP2029-2B1 (13N21)
KP2029-3B1 (13N22)
KP2029-4B1 (13N23)
KP2029-5B1 (13N24)
–
Size
(16th of an inch)
4
5
6
7
8
10
Balanced Wave
1%, 2%
Pure
Thoriated
Tungsten
Tungsten
Zirconiated
10 - 20
5 - 20
20 - 30
20 - 60
30 - 80
60 -120
60 -130
100 -180
100 -180
160 -250
Collet Body
Part No.
(Industry Ref.)
KP2031-1B1 (13N25)
KP2031-2B1 (13N26)
KP2031-3B1 (13N27)
KP2031-4B1 (13N28)
KP2031-5B1 (13N29)
Select alumina gas nozzle orifice size based on application.
Standard gas nozzle, 1-5/32" (29.3mm) long, or gas lens,
1" (25.4mm) long.
Standard Nozzle
Part No.
(Industry Ref.)
KP2017-1B1 (13N08)
KP2017-2B1 (13N09)
KP2017-3B1 (13N10)
KP2017-4B1 (13N11)
KP2017-5B1 (13N12)
KP2017-6B1 (13N13)
AC
Unbalanced Wave
1%, 2%
Pure
Thoriated
Tungsten
Tungsten
Zirconiated
5 - 15
5 - 20
10 - 60
15 - 80
50 -100
70 -150
100 -160
140 -235
150 -210
225 -325
Gas Lens
Collet Body
Part No.
(Industry Ref.)
KP2033-1B1(45V41)
KP2033-2B1(45V42)
KP2033-3B1(45V43)
KP2033-4B1(45V44)
KP2033-5B1(45V45)
Gas Lens
Part No.
(Industry Ref.)
KP2019-1B1(53N58)
KP2019-2B1(53N59)
KP2019-3B1(53N60)
KP2019-4B1(53N61)
(1)
Alumina
Nozzle
Size
4, 5, 6
4, 5, 6
5, 6
6, 7, 8
6, 7, 8
––
––
Advertisement
