Hypertherm HPR260 Manual Gas Preventive Maintenance Program Rev.5 - Manual (Page 304)

APPENDIX D – BEVEL CUTTING
d-8 HPR260 Auto Gas Instruction Manual
5
Metric
English
Select
Gases
Set
Preflow
Set
Cutflow
Minimum
Clearance
Equivalent
Material
Thickness
Torch-to-Work
Distance
Cutting
Speed
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield Plasma Shield
Mix
Gas 1
Mix
Gas 2
mm mm mm mm/m mm factor % seconds
H35 N
2
19 51 75 80 32 18 2.0
6
3.0 – 10.0
1835
6.0
200
0.3
10 1195
12 3.5 – 10.0 875 7.0 0.5
15 3.8 – 10.0 670 7.6 0.8
20 3.0 – 10.0 305 7.7 180 1.3
220609 220398 220606 220608 220179 220656
Notes: Bevel angle range is 0° to 45°. Water tube 220571 must be used with these
consumables.
Stainless steel bevel cutting
H35 and N
2
Plasma / N
2
Shield
130 A
Flow rates – lpm/scfh @ 3/4" setting
H35 N
2
Preflow 0 / 0 97 / 205
Cutflow 13 / 28 120 / 250
Select
Gases
Set
Preflow
Set
Cutflow
Minimum
Clearance
Equivalent
Material
Thickness
Torch-to-Work
Distance
Cutting
Speed
Initial Pierce
Height
Pierce
Delay
Time
Plasma Shield Plasma Shield Plasma Shield
Mix
Gas 1
Mix
Gas 2
in in in ipm in factor % seconds
H35 N
2
19 51 75 80 32 18 0.080
1/4
0.120 – 0.400
70
0.240
200
0.3
3/8 50
1/2 0.140 – 0.400 30 0.280 0.5
5/8 0.150 – 0.400 25 0.300 0.8
3/4 0.170 – 0.400 15 0.310 180 1.3