Tweco 300 Maximizer User Manual
Page 54
APPENDIX
A-10
Man
ual 0-2554
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 15XC SYSTEMS (contin
ued)
US Measurements
Air Plasma Cutting Data Chart
Maximizer 300 Torch
Mild Steel - Underwater (Water Table)
Air 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
20-1018
20-0008
20-1031
20-1028
100
145
400
0.188
70
50
0.00
0.200
1/8
10
20-1018
20-0008
20-1031
20-1028
100
145
225
0.188
70
50
0.20
0.200
3/16
7
20-1018
20-0008
20-1031
20-1028
100
150
135
0.188
70
50
0.20
0.200
1/4
20-1018
20-0008
20-1031
20-1028
100
155
105
0.188
70
50
0.20
0.200
3/8
20-1018
20-0008
20-1031
20-1028
100
160
75
0.250
70
50
0.30
0.300
1/4
20-1018
20-0008
20-1032
20-1028
150
140
160
0.250
70
50
0.00
0.250
3/8
20-1018
20-0008
20-1032
20-1028
150
150
90
0.250
70
50
0.20
0.375
1/2
20-1018
20-0008
20-1032
20-1028
150
160
65
0.250
70
50
0.50
0.375
5/8
20-1018
20-0008
20-1032
20-1028
150
165
45
0.250
70
50
0.50
0.500
3/4
20-1018
20-0008
20-1032
20-1028
150
170
30
0.250
70
50
0.75
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.