Migatronic FLEX XMS Manual De Instrucciones página 19

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Selection of wire feed unit
(MIG/MAG)
If the machine is fitted with two wire feed units (option)
this key pad is used to select either one of the units.
Selection of a welding process
The welding process is usually decided
by selecting a program but when changing a machine
setting the welding process can be selected by using this
key pad.
MMA electrode welding:
In this process the following apply:
-
Welding current is set to minimum, i.e. 15 amps.
-
Pulse welding is switched off.
All other functions and parameters in the adjustment are
unchanged.
MIG/MAG-welding:
In this process the following apply:
-
When manual MIG/MAG welding the wire feed speed
and voltage have minimum values of 1 metre/minute
and 0 volts respectively.
-
When synergic MIG/MAG welding the synergic
current can be adjusted to the value at the lowest
synergic point and the trim to 0 volts.
-
Electronic inductance is automatically calculated.
-
Sequence is switched off.
-
Torch cooling method is watercooling.
-
Pulse welding is switched off.
All other functions and parameters in the adjustment are
unchanged.
THE PARAMETER CURVE
A parameter curve shows those parameters which can
be adjusted, provided they apply to the particular welding
process in use. When a parameter is selected the value
of the parameter is shown in the right hand display
window and then adjusted with the appropriate key pads.
Choice of parameter
The parameter which is to be displayed or
adjusted is selected by using the two key pads. Some of
the parameters are passed over when next or previous
parameter is selected with the arrow key pads, as all
parameters are not used in each welding method.
Showing the parameter values
When a parameter from the parameter curve is
shown in the right hand display window, the arrow under
the right display will be illuminated.
Automated welding parameters
Instead of always using manual adjustment, it is
sometimes possible for the machine to calculate and set
a value for some of the parameters. Such a setting is
called an automated parameter. A parameter can be
established in this way by pushing the AUTO key pad
when the parameter has been selected; the right hand
display then shows
key pad enables the user to set the parameter.
Displaying the automated parameter
Pushing the RECALL and AUTO key pads at
the same time causes the value of the automated
parameter calculated by the machine to be displayed in
the right hand display window.
Electronic choke (MIG/MAG)
The choke function allows adjustment of the elec-
tronic choke and can be adjusted from 0 to 100%,
where 0% gives the "hardest" arc and 100% gives the
"softest" arc. When set as an automated parameter the
value is 45%.
Wire feed speed (MIG/MAG manual pulse)
When MIG/MAG welding the wire feed speed can
be set between 1.0 and 24.0 metres/minute.
Spot welding time (MIG/MAG)
When spot welding the duration of the spot weld is
adjusted with this parameter and can be set
between 0.1 and 99.9 seconds. The parameter
setting cannot be automated.
Current
Adjusted
current
In the MIG/MAG welding process the spot welding time is
the time between the establishment of the arc and the
start of the slope-down period.
Arc-power (MMA electrode)
Arc power is used to stabilise the arc when MMA
electrode welding and is a method of increasing the
welding current when a short circuit occurs. At the ti-
me of short circuit the current is increased by a pre-set
percentage of the welding current. This percentage can
be from 0 to 100% of the welding current (but cannot
exceed the maximum output of the machine), and when
established as an automated parameter the value is set
at 0%.
Current
short
circuit
19
. One more push on the AUTO
Spot welding time
Slope down
Time
Extra current contribute
from arc power
Time

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Flex xmiFlex xmi auto

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