INE SpA Via Facca, 10 - 35013 Cittadella - PADOVA - ITALIA Tel. 049/9481111 - Fax 049/9400249 - ine@ine.it - www.ine.it
11 Notes on the use of the torch
A plasma torch is held at right angle to the workpiece
when a vertical cut is desired or at any other angle for
sloping cuts and bevels.
Cutting speed should allow the cutting arc to cut the
material and protrude from the workpiece vertically or at
a max. angle of 5÷10° to the perpendicular.
When plasma is used to pierce a material, molten
material ejection may deposit on the torch, thus causing
abnormal wear, especially with thickness over 10 mm.
In these cases it is suggested to start piercing with the
torch slightly slanting so that the ejection of molten
metal is directed outwards and the torch is preserved
from
damage
and
overheating.
deposited on the nozzle or on the hood should be
removed immediately paying attention to the high
temperature of the workpiece and torch parts.
Circular cuts may be carried out by means of rotating
head calipers sliding on rollers, with magnetic
centering.
The machine should not be switched off before the
post-cut gas has flown completely, since this is
necessary to cool the torch.
In order to extend consumable life, both hood and
electrode should be replaced when servicing a torch.
The hood should be replaced when the inner bore is
irregular or greater than the nominal bore (this causes
raking and poor quality cuts); the electrode should be
replaced before the hafnium core of the electrode tip is
totally worn out. The use of worn parts may damage the
torch body.
Particular care should be taken in fitting the new parts
into the torch so as not to irrevocably damage the torch
body.
Attention: only use the torch authorised
by INE (see page 47 – technical data). If
another sort of torch is used, it could
cause irregular operations and not
guarantee
the
operator safety.
The
material
cutting
quality
nor
Page 15
12 Description of functions and controls
The controls of the machine are described here below
with reference to the following figure.
L3
L2
L1
D1
E1
T1
SKYLINE 120
The machine is set to work by turning the main switch
placed on the rear panel to its ON position. The green
LED 'L1' will show when the machine is on.
The 'L2' yellow LED indicates that protection devices
have tripped (e.g. fuse blown), and displays 'D1' and
'D2' show which one has actually tripped (see
paragraph 'Description of alarms').
The red LED 'L3' shows the output is live.
Yellow LED 'L4' shows when gas pressure has dropped
under the minimum level necessary for cutting.
Blue LED 'L5' shows access in the set-up menu.
Selector 'E1' allows cutting current to be set at any time;
its value (in Amps) is displayed on 'D1'.
Display 'D2' shows, as expressed in bar, the air
pressure value set by means of the regulating filter on
the rear of the machine.
Air test button 'T1' is used to check that the torch
connected to the machine is able to deliver the gas
necessary for cutting.
L5
L4
D2
AMPERE
BAR
S