Lincoln Electric FineLine 12864 Operator's Manual page 72

FineLine 300HD Plasma System
Mild Steel - 140 Amps - Oxygen Plasma / Air Shield
Shield Cap
BK602343
Outer Cap
BK602365
Imperial*
Material
Preflow
Thickness
(psi)
(in)
10 Ga
3/16
1/4
5/16
3/8
1/2 15
5/8
3/4
1.00
1.25**
1.50**
Metric*
Material
Preflow Plasma
Thickness
(psi)
(mm)
4
5
6
8
10
12
15
15
20
25
30**
35**
38**
* Use an arc transfer height (ignition height) of .200" (5.1 mm) for cutting and .100" (2.5 mm) for marking.
** Edge start recommended.
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
Retaining Cap
BK602339
Plasma Shield Postflow
(psi) (psi) (psi)
64
71 71
55
45
36
Shield Postflow
(psi) (psi) (psi)
64
55
71 71
54
46
45
40
36
Page 72 of 118
Nozzle
BK602315
Swirl Ring
BK602358
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
120 260
205
122
160
0.105
140
124
120
128 86
133 70
0.140
136 55
142 35 0.160
152 20 0.200
162 12 0.225
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
121 6011
5044
122
4318
2.7
124 3540
125 2919
127 2375
132 1890 3.3
137 1321 3.6
142 921 4.0
149 613 4.8
157 404 5.4
162 308 5.7
BK8053-000107 Rev A.01
Electrode
BK602309
Torch
BK602622
Pierce Pierce
Height Time Width
(in) (msec)
300 0.088
0.200
400
0.090
0.225 500
0.250 0.092
600
0.275 0.094
0.300 700 0.103
0.325 900 0.105
0.350 1100 0.110
1600 0.120
0.400 0.135
1500
0.158
Pierce Pierce
Height Time Width
(mm) (msec) (mm)
5.1 342
5.2 414
5.6 478
6.4 600
7.1 615
7.5 678
8.1 845
9.1 1175
10.1 1569
10.2 1500
Kerf
(in)
Kerf
2.3
2.4
2.6
2.7
2.8
3.0
3.3
3.7
4.0