Operation 3-24 duramax retrofit torch – Hypertherm HRT User Manual
Page 60
OPERATION
3-24
Duramax Retrofit Torch
Operator Manual
Note:
Torch‑to‑work dis tance for the following cut chart is 3/16 in (4.8 mm) for all cuts.
Mild steel
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in
mm
ipm
mm/min
ipm
mm/min
100
136
0.5
1/4
6.4
137
3479
210
5334
139
0.5
3/8
9.5
79
2006
122
3098
142
1.0
1/2
12.7
59
1498
91
2311
146
1.0
5/8
15.9
37
939
57
1447
150
1.5
3/4
19.0
28
711
43
1092
155
NA
1
25.4
17
431
26
660
160
1 1/4
31.8
10
254
16
406
Stainless steel
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in
mm
ipm
mm/min
ipm
mm/min
100
136
0.5
1/4
6.4
157
3987
241
6121
139
0.5
3/8
9.5
85
2159
131
3327
142
1.0
1/2
12.7
53
1346
81
2057
146
1.0
5/8
15.9
33
838
51
1295
150
1.5
3/4
19.0
22
558
33
838
155
NA
1
25.4
14
355
22
558
161
1 1/4
31.8
7
177
11
279
Aluminum
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in
mm
ipm
mm/min
ipm
mm/min
100
137
0.5
1/4
6.4
166
4216
255
6477
139
0.5
3/8
9.5
99
2514
153
3886
142
1.0
1/2
12.7
70
1778
107
2717
147
1.0
5/8
15.9
50
1270
77
1955
150
1.5
3/4
19.0
33
838
51
1295
154
NA
1
25.4
20
508
31
787