Table of Contents
Advertisement
APEX
®
3 SERIES TIG PENDANT MANUAL
AVC Start
The amount of time (sec.) from the beginning of
Upslope until AVC (automatic torch height control)
begins. Note that this time runs concurrently with
Upslope but AVC cannot start until Upslope is over.
If the AVC Start value is less than the Upslope value,
AVC start will occur immediately at the end of Upslope.
If the AVC Start value is greater than the Upslope
value, AVC start will be delayed after the end of the
Upslope by an amount of time equal to the difference
between AVC Start and the Upslope value (AVC Start
– Upslope). For example, if Upslope has a value of 1.0
seconds and AVC start has a value of 1.5 seconds,
AVC will begin 0.5 seconds after the end of Upslope.
Hot Wire Start Amps - Amperage applied to the wire
when the Hot Wire Power Source is initially turned on.
Value will then ramp to the welding hot wire amperage.
Hot Wire Up - The amount of time (percentage) taken
to ramp from Hot Wire Start Amps to welding hot wire
amperage. Value is in terms of a percentage of the
WFS Up value. For example, if WFS Up has a value
of 2.0 seconds and Hot Wire Up has a value of 75
percent, the amount of time it takes to ramp from Hot
Wire Start Amps to welding hot wire amperage will be
1.5 seconds.
Tungsten Preheat - The amount of time (sec.) the
tungsten is preheated before striking an arc.
Start Gap - Distance (in) the torch is retracted from the
work when striking an arc at the beginning of the weld.
Pressing the ADV selection button on the Start Set-
tings screen presents the Advanced Process screen
as shown in either FIGURE 20 - Advanced Process
Setup or FIGURE 21 - Advanced Process with Hot
Wire in the Advanced Process Setup section. This al-
lows for setting start setting values for the wave
controls associated with the current weld mode.
When entering the Advance Process screen from the
Start Settings screen, the symbol next to the sector
icon is an 'S' rather than a sector number.
End Settings
The end settings screen, see FIGURE 30 - End Set-
tings Screen, allows the user to adjust the end set-
tings specific to the program, which affect how the
system will behave at the end of the weld. End settings
begin to take effect as soon as the Start / Stop button
is pressed to stop the weld. Refer to page G-53 to see
a full timing diagram.
FIGURE 30 - End Settings Screen
The settings that can be changed on this screen are:
Postflow - The amount of time (sec.) the gas contin-
ues to flow after the weld to provide shielding.
Downslope - The amount of time (sec.) it takes for the
system to ramp from welding parameters to the end
settings.
Final Amps - The amperage level at the end of
Downslope.
Final WFS - The speed at which the wire will feed at
the end of the Wire Stop.
Wire Stop - The amount of time (sec) taken to ramp
from welding WFS (when the Stop button is pressed)
to the Final WFS. Note that if Wire Stop is longer than
Downslope, wire will stop feeding and retract at the
end of Downslope.
Wire Retract - The distance (in) that wire will be re-
tracted at the end of the Wire Stop to prevent the wire
from getting stuck to the base material.
Torch Up - The distance (in) that the torch is retracted
after the arc is extinguished to avoid the puddle con-
tracting the tungsten. The distance should be limited to
guarantee proper gas coverage during Postflow.
Hot Wire Final Amps - Amperage applied to the wire
at the end of the Hot Wire Stop.
Hot Wire Stop - The amount of time (percentage) tak-
en to ramp from the Hot Wire Amperage level in effect
at the beginning of Downslope (when the stop button
was pressed) to the Hot Wire Final Amps level. Value is
in terms of a percentage of the Wire Stop value.
For example, if Wire Stop has a value of 2.0 seconds
and Hot Wire Stop has a value of 75 percent, the
amount of time taken for the Hot Wire Stop will be
1.5 seconds. Note that if Hot Wire Stop is longer than
Downslope, Hot Wire Amperage will be turned off at
the end of Downslope.
A-37
OPERATION
Advertisement
Table of Contents
