Tweco 6000GST Cutting Systems User Manual
Page 50

APPENDIX
A-4
Man
ual 0-2690
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 6000GST SYSTEMS (contin
ued)
NOTE
If the Optional Secondary Gas/Water Flow Control is used on the Gas Control Module, then the Gas HIGH-FLOW/LOW-FLOW
switch must be in the HIGH-FLOW position.
US Measurements
Argon-Hydrogen Plasma Cutting Data Chart
Maximizer 300 Torch
Aluminum
Argon/Hydrogen (H-35) Plasma / Nitrogen Secondary
Electrode
Gas
Distributor
Tip
End Cap
Amperage
Output
Volts
Speed
Standoff
Plasma
Pressure
Plasma
Flowball
Secondary
Pressure
Pierce
Delay
Pierce
Height
inches
Gauge
Cat. No.
Cat. No.
Cat. No.
Cat. No.
amps
vdc
inches/min
inches
psi
psi
seconds
inches
1/2
20-1025
20-0008
20-1032
20-1004
150
165
45
0.188
80
88
30
0.25
0.250
5/8
20-1025
20-0008
20-1032
20-1004
150
165
35
0.188
80
88
30
0.37
0.250
3/4
20-1025
20-0008
20-1032
20-1004
150
170
30
0.188
80
88
30
0.50
0.500
1
20-1025
20-0008
20-1032
20-1004
150
170
25
0.188
80
88
30
0.50
0.500
1 1/4
20-1025
20-0008
20-1032
20-1004
150
175
20
0.188
80
88
30
NR
NR
3/4
20-1025
20-1009
20-1034
20-1005
300
140
80
0.375
90
135
75
0.50
0.500
1
20-1025
20-1009
20-1034
20-1005
300
145
50
0.375
90
135
75
0.50
0.500
1 1/4
20-1025
20-1009
20-1034
20-1005
300
160
35
0.375
90
135
75
NR
NR
1 1/2
20-1025
20-1009
20-1034
20-1005
300
165
25
0.375
90
135
75
NR
NR
1 3/4
20-1025
20-1009
20-1034
20-1005
300
170
20
0.375
90
135
75
NR
NR
2
20-1025
20-1009
20-1034
20-1005
300
175
13
0.375
90
135
75
NR
NR
Material
Thickness
Art # A-02186
Shield Cup Body
20-1002*
End Cap
(See Chart)
Tip
(See Chart)
Gas Distributor
(See Chart)
Electrode
(See Chart)
*or Ohmic Clip
Shield Cup Body 20-1427
Torch Body
180˚: 9-6410
70˚: 9-6457 90˚: 9-6459
NOTE:
If using a torch height control which
offers an ohmic sensing feature, select a
shield cup body with an ohmic clip tab.
Use catalog # 20-1427 for normal cut-
ting and catalog 20-1428 for cutting
underwater.