Cebora PLASMA SOUND PC 70/T Manual De Instrucciones página 28

Fig. 4
Closely follow the instructions contained in the cutting
chart regarding the pierce height, the working height and
the maximum cutting thickness depending on the current
(see fi g. 5). Also refer to the instruction manual of the op-
tional kit Item No 441 (for Item No 334-336) or Item No
433 (for Item No 337) for the pantograph connection.
4.2 GRID CUTTING
(SELF-RESTART OPERATING MODE)
SELF
RESTART
MILD STEEL
Air 5.5 bar
plates or grids, select this operating mode.
For the material, gas and cutting current settings, as well
as for the adjustment of the working pressure refer to par-
agraph 4.1. When cutting is completed, keep the button
pressed and the pilot arc will restart automatically.
Use this function only if required, to avoid excessive
wear of the electrode and nozzle.
4.3 GOUGING
("GOUGE" OPERATING MODE)
GOUGE
MILD STEEL
Air 5.5 bar
To run gouging operations, which is only available for the
hand torch, select this mode.
28
Fig. 5
110 A
Ø 1.50
CP162C
To cut drilled
110 A
Ø 1.50
CP162C
For the material, gas and cutting current settings, as well
as for the adjustment of the working pressure refer to
paragraph 4.1.
This operation makes it possible to remove defective
welds, separate welded pieces, prepare edges, etc. For
this operation use the appropriate nozzle.
The current value to be used varies from 50 A 70 A for
torch CP70C and from 60 A to 130 A for torch CP162C
depending on the thickness and quantity of material to
be removed. With the welding torch in slanted position
(fi g. 6) proceed towards the melted metal so that the gas
coming out of the welding torch keeps it away.
The angle of the welding torch in relation to the workpiece
depends on the penetration to be obtained. As melted
dross tends to stick to the nozzle holder and nozzle guard
during this procedure, it is best to frequently clean them
so as to avoid double arc events which may destroy the
nozzle in a matter of seconds.
Given the strong (infra-red and ultraviolet) radiation emission
during this operation, it is recommended that the operator and
people in the vicinity wear adequate PPE.
Fig. 6
4.4 SPOT MARK
("SPOT MARK" WORKING MODE) -
for Item No 337 only
SPOT
MARK
MILD STEEL
Air 5.5 bar
20 A
20 ms