Tweco Max 300 w-Merlin 6000GST User Manual
Page 48
APPENDIX
A-2
Man
ual 0-2642
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 6000GST SYSTEMS
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
Aluminum
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
145
800
0.125
70
75
55
0.00
0.125
1/16
16
20-1018
20-0008
20-1030
20-1003
50
150
300
0.188
70
75
55
0.00
0.250
1/8
10
20-1018
20-0008
20-1030
20-1003
50
160
100
0.188
70
75
55
0.00
0.250
3/16
7
20-1018
20-0008
20-1030
20-1003
50
165
60
0.188
70
75
55
0.00
0.250
1/4
20-1018
20-0008
20-1030
20-1003
50
175
30
0.188
70
75
55
0.25
0.250
1/16
16
20-1018
20-0008
20-1031
20-1004
100
140
400
0.188
80
90
38
0.10
0.200
1/8
10
20-1018
20-0008
20-1031
20-1004
100
140
200
0.188
80
90
38
0.10
0.200
3/16
7
20-1018
20-0008
20-1031
20-1004
100
145
120
0.188
80
90
38
0.10
0.200
1/4
20-1018
20-0008
20-1031
20-1004
100
150
100
0.188
80
90
38
0.20
0.250
3/8
20-1018
20-0008
20-1031
20-1004
100
155
75
0.188
80
90
38
0.20
0.250
1/2
20-1018
20-0008
20-1031
20-1004
100
160
50
0.188
80
90
38
0.30
0.250
5/8
20-1018
20-0008
20-1031
20-1004
100
170
30
0.188
80
90
38
0.50
0.375
1/4
20-1018
20-0008
20-1032
20-1004
150
155
150
0.250
80
90
38
0.00
0.375
3/8
20-1018
20-0008
20-1032
20-1004
150
160
100
0.250
80
90
38
0.00
0.375
1/2
20-1018
20-0008
20-1032
20-1004
150
160
80
0.250
80
90
38
0.25
0.375
5/8
20-1018
20-0008
20-1032
20-1004
150
160
60
0.250
80
90
38
0.25
0.375
3/4
20-1018
20-0008
20-1032
20-1004
150
175
45
0.312
80
90
38
0.38
0.437
1
20-1018
20-0008
20-1032
20-1004
150
185
25
0.312
80
90
38
0.50
0.500
1/2
20-1018
20-0008
20-1033
20-1004
225
150
125
0.250
80
90
38
0.00
0.375
5/8
20-1018
20-0008
20-1033
20-1004
225
160
80
0.250
80
90
38
0.25
0.375
3/4
20-1018
20-0008
20-1033
20-1004
225
165
60
0.250
80
90
38
0.25
0.500
1
20-1018
20-0008
20-1033
20-1004
225
170
30
0.312
80
90
38
0.50
0.500
3/4
20-1021
20-1009
20-1034
20-1005
300
155
75
0.250
80
125
30
0.50
0.500
1
20-1021
20-1009
20-1034
20-1005
300
160
60
0.250
80
125
30
0.75
0.500
1 1/2
20-1021
20-1009
20-1034
20-1005
300
170
22
0.250
80
125
30
NR
NR
2
20-1021
20-1009
20-1034
20-1005
300
190
16
0.250
80
125
30
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, se-
lect a shield cup body with an ohmic
clip tab. Use catalog # 20-1427 for
normal cutting and catalog 20-1428
for cutting underwater.