Operation 3-12 duramax retrofit torch – Hypertherm HRT User Manual
Page 48
OPERATION
3-12
Duramax Retrofit Torch
Operator Manual
Note:
Torch‑to‑work dis tance for the following cut chart is 1/16 in (1.5 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
80
132
0.25
3/16
4.8
140
3556
216
5486
134
0.50
1/4
6.4
105
2667
161
4089
137
3/8
9.5
61
1549
94
2388
140
1/2
12.7
39
991
60
1524
145
1.0
5/8
15.9
26
660
40
1016
148
N/A
3/4
19.0
20
508
31
787
150
7/8
22.2
15
381
23
584
156
1
25.4
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
80
134
0.25
3/16
4.8
140
3556
216
5486
136
0.50
1/4
6.4
103
2616
158
4013
139
0.75
3/8
9.5
54
1372
83
2108
142
1/2
12.7
33
838
50
1270
145
1.0
5/8
15.9
22
559
34
864
150
N/A
3/4
19.0
16
406
24
610
153
1
25.4
9
229
14
356
Aluminum
Arc current Arc voltage Pierce
delay
Material thickness
Recommended
cut speed
Maximum cut speed
in
mm
ipm
mm/min
ipm
mm/min
80
134
0.25
1/8
3.2
295
7493
454
11532
139
1/4
6.4
114
2896
176
4470
143
0.75
3/8
9.5
60
1524
121
3073
146
1/2
12.7
37
940
75
1905
154
N/A
3/4
19.0
19
483
37
940