Tweco 300 Maximizer User Manual
Page 66
APPENDIX
A-22
Man
ual 0-2554
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 15XC SYSTEMS (contin
ued)
US Measurements
Nitrogen Plasma Cutting Data Chart
Maximizer 300 Torch
Stainless Steel
Nitrogen Plasma / Water Secondary
Electrode
Gas
Distributor
Tip
End Cap
Amperage
Output
Volts
Speed
Standoff
Plasma
Pressure
Secondary
Flow
Pierce
Delay
Pierce
Height
inches
Gauge
Cat. No.
Cat. No.
Cat. No.
Cat. No.
amps
vdc
inches/min
inches
psi
gal/hr
seconds
inches
1/8
10
20-1023
20-0008
20-1031
20-1004
100
145
210
0.188
70
8
0.25
0.375
3/16
7
20-1023
20-0008
20-1031
20-1004
100
145
125
0.188
70
8
0.25
0.375
1/4
20-1023
20-0008
20-1031
20-1004
100
145
80
0.188
70
8
0.50
0.375
3/8
20-1023
20-0008
20-1031
20-1004
100
155
50
0.188
70
8
0.50
0.375
1/2
20-1023
20-0008
20-1031
20-1004
100
170
35
0.188
70
8
0.50
0.375
5/8
20-1023
20-0008
20-1031
20-1004
100
170
25
0.188
70
8
0.50
0.375
3/16
20-1023
20-0008
20-1032
20-1004
150
135
180
0.188
70
3
0.25
0.375
1/4
20-1023
20-0008
20-1032
20-1004
150
140
120
0.188
70
5
0.25
0.375
3/8
20-1023
20-0008
20-1032
20-1004
150
150
80
0.188
70
7
0.25
0.375
1/2
20-1023
20-0008
20-1032
20-1004
150
150
50
0.188
70
8
0.35
0.375
5/8
20-1023
20-0008
20-1032
20-1004
150
165
30
0.188
70
8
0.50
0.375
3/4
20-1023
20-0008
20-1032
20-1004
150
175
20
0.250
70
9
0.50
0.500
Material
Thickness
Art # A-02186
Torch Body
180˚
9-6410
70˚
9-6457
90˚
9-6459
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
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 cutting and catalog 20-1428 for cutting underwater.