Miller Invision 352 MPa Auto-Line CE 소유자 매뉴얼 - 페이지 34
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7-4. Pulsed MIG Welding Mode - GMAW-P Process
!
Weld
terminals
are
through the remote control in
Pulsed MIG welding mode.
1
Volts Indicator
2
Arc Length Indicator
3
Left Display
4
Right Display
5
Adjust Control
6
Process Indicator
7
Arc Control Indicator
8
Setup Button
9
Wire/Gas Indicator
Setup
For typical system connections refer to
Section 7-1.
Press Setup Button twice. The Process In-
dicator will be lit. Rotate Adjust Control to
select PULS.
Press the Setup Button until the Wire/Gas
Indicator is lit. The active wire type will ap-
pear in the Left and Right Display.
Rotate Adjust Control to select desired
wire.
Press the Setup Button again. Wire/Gas In-
dicator is lit. The active gas type will appear
in the Left and Right Display.
Rotate Adjust Control to select desired gas.
Press the Setup Button again to confirm the
selection. The unit will acknowledge a
change of wire and gas information by dis-
playing PROG LOAD momentarily.
.
For best results, select the appropriate
Wire and Gas Type to match the actual
wire and gas being used. Refer to
OM-246193 Page 30
.
A complete Parts List is available at www.MillerWelds.com
3
2
5.0
1
2
Pulsed MIG − Wire and Gas Selection
energized
Table for available wires and gases
(see Section 7-5).
Operation
While the Arc Length Indicator is lit under
the Left Display, the Adjust Control is used
to set desired arc length setting.
.
The arc length will be adjusted remote-
ly at the wire feeder if the feeder has a
voltage control. This voltage control
will override the Adjust Control on the
welding power source.
Arc Control (SharpArc)
Press the Setup Button until the Arc Control
Indicator is lit. SHRP appears on the Left
Display, and the corresponding SharpArc
setting appears on the Right Display.
Rotate Adjust Control to select desired
SharpArc setting from 0 to 50, default is 25.
Adjusting the SharpArc setting changes the
welding arc cone. Lower settings widen the
arc cone, increases puddle fluidity and flat-
tens the weld bead appearance.
Higher settings narrow the arc cone, re-
duces puddle fluidity and crowns the weld
bead appearance.
.
Each Wire and Gas Type combination
has independent Arc Length and Shar-
pArc settings. These settings are pre-
served when the unit is turned off.
Arc Length - Pulse MIG Manual Control
(see Section 6-2)
Arc length corresponds to the level of ener-
gy needed to burn off the welding electrode.
As wire feed speed increases, a higher arc
length setting is required to burn off the
4
5
additional wire. The arc length setting ap-
pears in the Left Display when the Arc
Length Indicator is lit. Arc length can be ad-
justed from 0 to 100.
After the welding output terminals are ener-
gized, but prior to arc initiation, the unit dis-
plays the letter "R" and a reference wire
speed (IPM) on the Right Display. The ref-
erence wire speed can be used as a start-
ing point for the wire speed setting at the
feeder. The wire speed and arc length set-
ting can then be further adjusted to achieve
the desired arc length.
The Configuration Option Menu (see Sec-
tion 6-2) can be used to change the arc
length setting (0 to 100) to average arc volt-
age. Average arc voltage can be used as an
alternative method to set the Pulsed MIG
welding arc with the same parameters
(voltage and wire speed) as a conventional
MIG arc. Lower voltage settings corre-
spond to tighter arc lengths while higher
voltage settings correspond to longer arc
lengths. If the voltage mode is selected, the
average voltage preset will be displayed on
the Left Display with the Volts Indicator lit.
Arc Length - Pulse MIG Auto Control
(see Section 6-2)
In Auto operation the arc length setting is
0-100. The programs have been developed
at 50 arc length setting. Increasing or de-
creasing the arc length setting from 50 will
change the arc length. It is not necessary to
change the arc length value when changing
wire feed speed settings.
.
Auto Operation will only work with the
S-74 MPa wire feeder. All other wire
feeders will only operate as manual
control.
6
7
8
9
Ref. 235550-A