Lincoln Electric FineLine 12864 Operator's Manual page 74

FineLine 300HD Plasma System
Mild Steel - 300 Amps - Oxygen Plasma / Air Shield
Shield Cap
BK602346
Outer Cap
BK602365
Imperial*
Material
Preflow Plasma
Thickness
(psi)
(in)
1/2
5/8
3/4
7/8
1
1.25
1.5 7
1.75
2**
2.25**
2.5**
2.75**
3**
Metric*
Material
Preflow Plasma
Thickness
(psi)
(mm)
12
15
20
25
30
35
7
40
45
50**
60**
70**
75**
* Use an arc transfer height (ignition height) of .300" (7.6 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
BK602369
Shield Postflow
(psi) (psi) (psi)
71 71
58
49
56 56
44
35
Shield Postflow
(psi) (psi) (psi)
71 71
58
60 60
55
49
56 56
40
35
Page 74 of 118
Nozzle
BK602318
Swirl Ring
BK602360
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
134 135
130 115
131 90 0.140
132 80
133 70
140 50 0.175
145 37 0.200
150 30 0.250
158 21 0.275
163 16 0.300
168 12
174 8 0.325
180 6
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
135 3541
3061
131
3.6
2210
133 1810
138 1410 4.2
143 1101 4.8
146 887 5.5
151 742 6.4
157 562 6.9
165 361 7.9
174 202
8.3
179 162
BK8053-000107 Rev A.01
Electrode
BK602305
Torch
BK602622
Pierce Pierce Kerf
Height Time Width
(in) (msec)
700
0.400 900
0.140
1000
0.425 1200
0.450 1300 0.142
0.650 1800 0.160
0.750 2500 0.170
0.850 3200 0.190
0.205
0.217
0.450 1500 0.240
0.245
0.254
Pierce Pierce
Height Time Width
(mm) (msec) (mm)
656
10.2
845
10.4 1060
11.4 1287
15.1 1662
17.8 2158
19.8 2709
20.7 3053
11.4 1500
(in)
Kerf
3.6
3.9
4.2
4.5
4.9
5.2
5.8
6.2
6.4