Focal position locations -8, Definitions -8, 5" diameter lenses -8 – Hypertherm LR2075 User Manual
Page 33: 0" diameter lenses -8, Cut charts -8, Mild steel -8, Stainless steel -8, Cut charts
OPERATION
4-8
LR
2075 Laser Head Instruction Manual
Cut charts
The charts below show general settings for cutting. Settings may need to be changed for certain conditions.
Note:
Before cutting, check all settings and adjustments and check for damaged parts and
worn consumables.
Stainless steel – nitrogen cutting
Standard laser nozzles
Standard laser nozzles
Material
thickness
Laser
power
Nozzle
Cut
speed
Focal
length
Focus relative to
nozzle exit
(positive is above
nozzle exit)
Cut
pressure
Pierce
pressure
Pierce
stand-off
Cut Stand-
off
mm
kW
part #
m/min
In
mm
bar
bar
mm
mm
1.00
1.0
8.50
3.74
3.00
1.4
4.00
2.38
6.35
3.0
2.90
1.36
12.7
021080
1.50
1
1.02
19.0
021081
0.95
0.68
25.0
021082
0.65
0.54
4.0
7.5
2
021079
1
5.0
0
1.4
6
Mild steel – oxygen cutting
FAST laser nozzles
Material
thickness
Laser
power
Nozzle
Cut
speed
Focal
length
Focus relative to
nozzle exit
(positive is above
nozzle exit)
Cut
pressure
Pierce
pressure
Pierce
stand-off
Cut Stand-
off
mm
kW
mm
m/min
In
mm
bar
bar
mm
mm
1.00
1.0
8.50
3.74
3.00
1.4
4.00
2.38
6.35
3.0
1.5
2.40
0.68
12.7
2.0
1.30
1
0.54
19.0
0.85
0.41
25.0
0.60
0.27
6
1
4.0
7.5
3.0
2
1.0
5.0
0
1.4
Material
thickness
Laser
power
Nozzle
Cut
speed
Focal
length
Focus relative to
nozzle exit
(positive is above
nozzle exit)
Cut
pressure
Pierce
pressure
Piercing
stand off
Cutting
stand off
mm
kW
mm
m/min
In
mm
bar
bar
mm
mm
1.00
1.0
10.0
-1.0
12
3.00
1.5
4.00
-2.5
6.35
2.5
2.10
-4.0
9.50
3.0
1.00
-5.0
12.7
3.5
0.75
-8.0
0.7
16
7.5
4
4
5.0
2
3