Weco Multi Power 204T Instruction Manual page 29

Multi Power 204T
of avoiding welding the part with excessively high current values and thus potentially damaging it.
Particularly useful when welding thin sheets.
- UP SLOPE
○ Time during which the current changes from the starting value to the welding value by means of
a slope.
○ This setting is used to avoid damaging the edges of the joint with excessively high current values
at the moment of arc striking. The value of the main welding current is increased gradually in order
to control the uniformity of material deposition and weld penetration. The parameter is not used
during the welding process when the following setting is present: MULTI TACK = ON
- WELDING CURRENT
○ This parameter regulates the primary welding current value.
- MAXIMUM CURRENT WITH REMOTE CONTROL
○ Maximum output current value that can be achieved with remote control external reference.
- SECOND CURRENT B-LEVEL
○ With a rapid press and release (less than 0.5 seconds) of the torch trigger during welding, the out-
put current value switches to the value set by means of the "B-level second current" parameter.
○ This function makes it possible to avoid interrupting the welding process when the geometry of
the workpiece changes; alternatively, the welding current can be reduced to decrease heating of
the part if it becomes too hot during execution of the welding process.
○ In DC TIG welding, the parameter is useful when welding different gauge workpieces during the
same pass; when moving between different gauges the output current can be changed simply by
pressing the torch trigger.
- BASE CURRENT
○ Pulsed wave minimum current.
- Consequences of a higher value:
• Faster creation of weld pool.
• Increase of heat-affected zone.
- PEAK TIME
○ Time for which the current pulse is at the maximum value.
○ The SET UP, PULSED TYPE=FAST settings, the adjustment is a % of the PULSED CYCLE (CY-
CLE TIME=1/PULSED FREQUENCY).
○ In the settings for SET UP, PULSED TYPE = SLOW, the adjustment is expressed in seconds.
- Consequences of a higher value:
• Greater width of the beading and greater welding penetration.
• Facility to make deeper cuts.
- Consequences of a lower value:
• Reduction of the bead and of heat-affected zone.
• Difficult to create a weld pool.
- PULSED CURRENT FREQUENCY
○ The greater the frequency, the tighter the bead welding and greater the welding time. Increasing
the frequency restricts the heat-affected zone. A high frequency (kHz) pulsed arc is suitable for
flat beading ( head to head or over head)
- Consequences of a higher value:
• Slower melting speed.
• Reduction of heat-affected zone.
WELD THE WORLD
Cod. 006.0001.1420
08/09/2021 V.2.12
ENGLISH
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