Tweco 6000GST Cutting Systems User Manual
Page 54
APPENDIX
A-8
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
Air Plasma Cutting Data Chart
Maximizer 300 Torch
Mild Steel
Air Plasma / Air 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
0.035
20
20-1018
20-0008
20-1030
20-1003
50
150
800
0.125
70
72
18
0.00
0.250
1/16
16
20-1018
20-0008
20-1030
20-1003
50
150
350
0.250
70
72
18
0.00
0.250
1/8
10
20-1018
20-0008
20-1030
20-1003
50
155
165
0.250
70
72
18
0.00
0.250
3/16
7
20-1018
20-0008
20-1030
20-1003
50
155
100
0.250
70
72
18
0.25
0.375
1/4
20-1018
20-0008
20-1030
20-1003
50
160
50
0.250
70
72
18
0.50
0.375
1/16
16
20-1018
20-0008
20-1031
20-1004
100
155
450
0.188
80
90
30
0.00
0.375
1/8
10
20-1018
20-0008
20-1031
20-1004
100
155
250
0.188
80
90
30
0.00
0.375
3/16
7
20-1018
20-0008
20-1031
20-1004
100
155
190
0.188
80
90
30
0.00
0.375
1/4
20-1018
20-0008
20-1031
20-1004
100
160
120
0.188
80
90
30
0.00
0.375
3/8
20-1018
20-0008
20-1031
20-1004
100
160
75
0.188
80
90
30
0.50
0.250
1/2
20-1018
20-0008
20-1031
20-1004
100
160
60
0.188
80
90
30
0.50
0.250
5/8
20-1018
20-0008
20-1031
20-1004
100
160
45
0.250
80
90
30
0.50
0.375
1/4
20-1018
20-0008
20-1032
20-1004
150
150
125
0.250
80
90
30
0.00
0.375
3/8
20-1018
20-0008
20-1032
20-1004
150
150
100
0.250
80
90
30
0.50
0.500
1/2
20-1018
20-0008
20-1032
20-1004
150
155
80
0.312
80
90
30
0.50
0.500
5/8
20-1018
20-0008
20-1032
20-1004
150
155
60
0.312
80
90
30
0.50
0.500
3/4
20-1018
20-0008
20-1032
20-1004
150
155
45
0.312
80
90
30
0.50
0.500
1
20-1018
20-0008
20-1032
20-1004
150
165
30
0.312
80
90
30
0.50
0.500
1/2
20-1018
20-0008
20-1033
20-1004
225
140
100
0.250
80
90
30
0.00
0.500
5/8
20-1018
20-0008
20-1033
20-1004
225
140
75
0.250
80
90
30
0.25
0.500
3/4
20-1018
20-0008
20-1033
20-1004
225
145
55
0.312
80
90
30
0.50
0.500
1
20-1018
20-0008
20-1033
20-1004
225
155
25
0.312
80
90
30
0.75
0.500
3/4
20-1021
20-1009
20-1034
20-1005
300
155
70
0.375
90
135
70
0.75
0.500
1
20-1021
20-1009
20-1034
20-1005
300
155
40
0.375
90
135
70
0.75
0.500
1 1/4
20-1021
20-1009
20-1034
20-1005
300
165
30
0.375
90
135
70
NR
NR
1 1/2
20-1021
20-1009
20-1034
20-1005
300
172
15
0.375
90
135
70
NR
NR
1 3/4
20-1021
20-1009
20-1034
20-1005
300
180
12
0.375
90
135
70
NR
NR
2
20-1021
20-1009
20-1034
20-1005
300
185
9
0.375
90
135
70
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.