THERMACUT EX-TRAFIRE 45HD - Page 32

EN - 32
7 Operation of the power supply EX-TRAFIRE
®
45HD
7.7.1 Table for FHT-EX
®
45TT material removal
1 Use gouging consumables suitable
to the cutting torch being used.
2 Hold the cutting torch at an angle of
35 – 45° inclined to the workpiece.
3 Hold the nozzle close enough to the
workpiece so that it touches the
workpiece.
4 Press the torch trigger to ignite the
arc.
5 Continue to hold the cutting torch at
an angle of 35 – 45° to the workpiece
and move it in the direction of the
material to be removed.
Direction of gouging
Table 11 Table for FHT-EX
®
45TT material removal
Gouging parameters
(Dynamic) air pressure 3.5 – 4 bar
Distance between cutting torch
and workpiece
As close as possible
Angle of cutting torch to workpiece 35 – 45 °
Speed 0.6 m/Min.
Current 20 – 45 A
Removal rate for mild steels Approx.
3.2 kg/hr
Width of gouge Approx. 6.3 mm
Depth of gouge Approx. 3.0 mm