Hypertherm HT4400 HySpeed Plasma Arc Cutting System - Manual (Page 72)

OPERATION
HT4400 Instruction Manual 4-13
2
Performance and Process Data
Before cutting, check all settings and adjustments and check for damaged torch parts and
worn consumable parts.
100A
200A
300A
400A
0 0.2
5.1 0.4
10.2 0.6
15.2 0.8
20.3 1.2
30.5 1.4
35.6 1.6
40.6 1.8
45.7 1.0
25.4 2.0
50.8
Thickness
(inches/
mm)
Performance Summary for Cutting Mild Steel with Oxygen Plasma
Good cut quality (virtually dross free, may result in increased cut angle)
Best cut quality (virtually dross free, least cut angularity)
Requires edge start
Results will vary based on machine motion performance and material characteristics.
Approximate Pressures During Cutting
Process PG1 PG2
100A O
2
/Air 76 17
200A O
2
/Air 56 32
300A O
2
/Air 72 35
400A O
2
/Air 75 38
200A N
2
/O
2
-N
2
49 36
400A N
2
/N
2
58 30
Kerf Width O
2
/Air Processes
Thickness 100A 200A 300A 400A
3/16" .055
1/4" .065 .095
3/8" .072 .110 .105 .130
1/2" .120 .120 .135
3/4" .125 .130 .150
1" .140 .165