Advertisement
CHART 7 –
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
5/32
(4.0)
400 - 500
(1)
With argon gas.
CHART 8 –
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)
5/32
(4.0)
CHART 9
(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)
11/16
(17)
(1)
Size "short" is 1-1/8" (28.5mm) long.
DCEP (+)
Pure and
1%, 2%
Thoriated
Tungsten
5 - 20
(2)
(2)
10 - 20
15 - 30
25 - 40
40 - 55
(2)
DCEP (+) is not commonly used in these sizes.
Collet
Part No.
(Industry Ref.)
KP2030-1B1 (10N21)
KP2030-2B1 (10N22)
KP2030-3B1 (10N23)
KP2030-4B1 (10N24)
KP2030-5B1 (10N25)
KP2030-6B1 (54N20)
–
Size
(16th of an inch)
4
5
6
7
8
10
Short
(2)
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
160 -240
200 -320
Collet Body
Part No.
(Industry Ref.)
KP2032-1B1 (10N29)
KP2032-2B1 (10N30)
KP2032-3B1 (10N31)
KP2032-4B1 (10N32)
KP2032-5B1 (10N28)
KP2032-6B1 (406488)
Select alumina gas nozzle orifice size based on application.
Standard gas nozzle, 1-27/32" (48.6mm) long, or gas lens,
1-5/8" (41.2mm) long.
Standard Nozzle
(Industry Ref.)
KP2016-6B1 (10N50)
KP2016-5B1 (10N49)
KP2016-4B1 (10N48)
KP2016-3B1 (10N47)
KP2016-2B1 (10N46)
KP2016-1B1 (10N45)
Not recommended for use with high frequency currents.
AC
Unbalanced Wave
Pure
Tungsten
5 - 15
10 - 60
50 -100
100 -160
150 -210
200 -275
KP2034-1B1 (45V29)
KP2034-2B1 (45V24)
KP2034-3B1 (45V25)
KP2034-4B1 (45V26)
KP2034-5B1 (45V27)
KP2034-6B1 (45V28)
Part No.
KP2018-5B1 (54N18)
KP2018-4B1 (54N17)
KP2018-3B1 (54N16)
KP2018-2B1 (54N15)
KP2018-1B1 (54N14)
––
KP2018-6B1
(1)
1%, 2%
Alumina
Thoriated
Nozzle
Tungsten
Size
Zirconiated
5 - 20
4, 5, 6
15 - 80
4, 5, 6
70 -150
5, 6
140 -235
6, 7, 8
225 -325
6, 7, 8
300 -400
8, 10
Gas Lens
Collet Body
Part No.
(Industry Ref.)
Gas Lens
Part No.
(Industry Ref.)
––
(2)
(54N19)
(2)
Advertisement
