Tweco 300 Maximizer User Manual
Page 58
APPENDIX
A-14
Man
ual 0-2554
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 15XC SYSTEMS (contin
ued)
US Measurements
Oxygen Plasma Cutting Data Chart
Maximizer 300 Torch
Mild Steel - Underwater (Water Table)
Oxygen Plasma / Air Secondary
Electrode
Gas
Distributor
Tip
End Cap
Amperage
Output
Volts
Speed
Standoff
Plasma
Pressure
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
1/16
16
20-1015
20-0008
20-1031
20-1028
100
125
400
0.188
70
50
0.00
0.250
1/8
10
20-1015
20-0008
20-1031
20-1028
100
125
275
0.188
70
50
0.00
0.250
3/16
7
20-1015
20-0008
20-1031
20-1028
100
130
185
0.188
70
50
0.00
0.250
1/4
20-1015
20-0008
20-1031
20-1028
100
130
125
0.188
70
50
0.00
0.250
3/8
20-1015
20-0008
20-1031
20-1028
100
130
75
0.188
70
50
0.25
0.250
1/4
20-1016
20-0008
20-1032
20-1028
150
121
150
0.188
70
50
0.10
0.250
3/8
20-1016
20-0008
20-1032
20-1028
150
125
100
0.188
70
50
0.10
0.250
1/2
20-1016
20-0008
20-1032
20-1028
150
130
65
0.188
70
50
0.20
0.250
5/8
20-1016
20-0008
20-1032
20-1028
150
135
55
0.188
70
50
0.20
0.250
3/4
20-1016
20-0008
20-1032
20-1028
150
140
40
0.188
70
50
0.50
0.500
Material
Thickness
Art # A-02704
Torch Body
180˚
9-6410
70˚
9-6457
90˚
9-6459
End Cap
(See Chart)
Tip
(See Chart)
Gas Distributor
(See Chart)
Electrode
(See Chart)
Shield Cup Body
No. 20-1029*
* or Ohmic Clip Shield Cup Body for Underwater Cutting No. 20-1428
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.