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To maximize the adaptation series offers manual adjustment
for professional welders:
Fig. 2: Manual Setting of HOT START
Hot start sets the initial increase of energy when electric
arc initializes. Control must be set depending on the type
of electrode, class of the welding joint and temperature in
the workpiece. Start adjusting knob in the middle position
in order to get an arc start without a stuck rod or with
projections. If the electrode sticks increase energy turning
clockwise the knob. If you get projections or splash please
decrease energy turning left over. If you use the machine as
TIG welding put at minimum the knob.
nº. 3: Manual Setting of ARC FORCE
Regulates the arc response when dynamic voltage drop
occurs. Depending on the type of electrode please initially
setting:
Minimum (full left) for rutile electrodes (Example: E6013)
Halfway to basic electrodes (eg E7018)
Maximum (full right) for cellulosic electrodes (Example:
E6010)
nº. 4: Manual control of AMP
Standard setting of welding amps. See above for details.
nº. 5: A / V Toggle Switch
Makes the display 1 amps welding or the welding voltage is
displayed.
nº. 6: VRD Toggle Switch
Makes the no load voltage reduced to standard value or
reduced value when special conditions where necessary.
Note: the quality of arc start will be reduced very slightly by
using VRD.
nº.7: Amperage Remote Control, witch here the conecting
cable.
GRID / GENERATOR
Adaptive arc priming response (only in PFC models). The
selector 6 allows the use of the equipment in generators of
very low power when selecting the position 'GENERATOR'.
In the GRID position, the connection will be to the standard
electricity network supply, achieving an improvement of the
arc priming dynamics during the first half second of use.
Special settings Progress 1700 XP
Press button 8 to select the parameter settings. The selected
parameter will be indicated by the corresponding LED light.
As indication, use the following table, "Adjustment of
Parameters and Amperage", according to the type of
electrode and its diameter as a first approximation to work.
CLASS
MODEL
ARC FORCE
E 6013
RUTILE
E 7024
E 7016
BASIC
E 316L
INOX
E NiFe-Cl
CAST
E 6010
CELLULOSIC
EL AlSi12 12 Si
ALUMINIUM
HOT START
2.5 mm
3.2 mm
20
40
50-75 A
95-120 A
10
30
-
120-170 A
50
50
80-100 A
100-140 A
30
30
60-80 A
80-110 A
60
40
70-90 A
90-130 A
100
100
40-70 A
60-100 A
100
50
35-65 A
55-90 A
Ajustes especiales para Power 200 Cel (Fig 8)
nº.1 Selector type de ELECTRODE.
Press Normal to work with rutile and basic ELECTRODES.
Press Cel & Al to work with cellulosic and aluminium electrodes
nº.2 Proccess type selector
Press MMA for covered electrode welding
Press TIG LA for TIG Lift Arc welding
2.- TIG welding
In tungsten-electrode electric arc welding protected by an
inert gas, the consumable material is not the electrode itself
but a filler rod of a material that similar to the material to be
welded.
Compared to the coated-electrode system, the TIG system
is less productive and more difficult in return for a very high
weld quality in almost all metals and alloys thereof, including
stainless steel and situations of links with small thicknesses
or without filler material. The weld is produced without slag,
projections or fumes.
Notice: Do not use or sharpen thorium-doped
tungsten electrodes because of the risk deriving for
the moderate radioactive activity of that material.
You can recognize the presence and concentration
of thorium dioxide by the indicator band on the electrode
according to EN ISO 688848:2004 (colors: yellow, red, purple
and orange). Avoid these electrodes and use substitute
materials as, for example, electrodes with lanthanum or
cerium derivates (bands: black, grey, blue, gold) that do not
have any radioactive activity.
So as to correctly place the electrode on the torch it must
protrude from the nozzle about 5 mm.
As a general rule, connect the output inversely to the usual
connection of the electrode, the TIG torch to the negative
terminal of the equipment and the mass clamp to the positive
terminal.
Prepare and secure the piece. Adjust the current intensity
in accordance with the needs of the kind of material and
joint to be made, first making a test on a test piece. Refer
to specialized literature o regulated professional training for
more information in this respect.
The torch must receive a supply of inert gas (pure argon,
usually) proceeding from a cylinder, through a pressure-
reducing system capable of adequately regulating the gas
flow as necessary.
All equipments require a TIG torch with direct connection to
the flow meter and gas control by means of a shutoff valve
included in the TIG torch itself.
TIG DC 200 HF model includes a 2T-4T selector in order
to choose between pressing the trigger while you want to
weld (2T) and pressing the trigger when you want to start
4 mm
the welding and being able to remove the finger of the trigger
140-170 A
while you are welding (4T). When you press the trigger the
150-170 A
130-170 A
second time, the welding will finish.
110-140 A
120-160 A
90-150 A
80-140 A
Except for models S60.17L, PROGRESS1700L and
T100.20H, to initiate the arc, the tip of the torch must be
slightly scratched until imitation of the working arch.
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