160/200/160P/200P AC/DC Series Machine
www.longevity-inc.com
Stick (SMAW )
TIG (GTAW )
Plasma
Welding Method
AC
DC
AC
DC
Cutting
Notes
Cutting any
Process used for Steel, Aluminum
Steels
Aluminum
Steel, Stainless
Steel
contuctive
material
AC TIG preferred for Aluminum, DC TIG/Stick preferred for Steels
Gas used
N/A
N/A
Argon
Argon
Compressed Air
purge hose with Argon using trigger on gun before beginning TIG welding
P
ro
ce
s
s
Torch used Electrode Clamp
Electrode Clamp
TIG
TIG
Plasma
Ground cable and clamp used for all. Plasma and Tig Torch share connections welding unit.
Ceriated (grey)
tungesten,
Grey is typically for aluminum. Red usually indicates 2% thoriated for steel and stainless steel.
tungsten
N/A
N/A
ball/flat end
Ceriated/thoriate
d, (red or grey)
sharp tip
N/A
Sharpen to point grinding axially with taper with length of taper = 2.5 x Diameter
10-25 cu-ft/hr
start
10-25 cu-ft/hr
start
40-70 PSI
Gas pressure/flow
N/A
N/A
at 20
at 20
start at 65 psi
Start with Argon at 18 CFM for TIG. Start with compressed air at 60-75 psi for Plasma
S
e
tt
in
g
s
ARC/TIG/Plasma
ARC
ARC
TIG
TIG
Plasma
select welding type
desired
AC/DC
AC
DC
AC
DC
DC
select DC or AC welding current
Normally set to 2T where trigger pulled = on, released = off. Setting to 4T causes the trigger switch
to latch on until
4T/2T
N/A
N/A
2T see note
2T see note
2T see note
triggered a second
time
S
w
it
ch
select as
While in DC/TIG mode this switch will provide pulsed DC or constant DC. It switches between the
peak current and
DC/Pulse
N/A
N/A
N/A
appropriate
N/A
base current at the selected frequency.
Recommended to pre purge weld area for before current starts when TIG welding to help
prevent oxidation, set
Gas Preflow
N/A
N/A
Set 0-1 sec
Set 0-1 sec
N/A set to 0
between 0 and 1 seconds. Purge with Argon before starting first TIG weld.
0-200 Amps as
0-50 Amps as
0-200 Amps as
appropriate for
0-200 Amps as
0-200 Amps as
appropriate for
appropriate for
workpiece/
appropriate zero
appropriate zero
for
workpiece/
Current (Amps)
workpiece/
electrode
electrode
for foot switch
foot switch
electrode
Set current as recommended for material and thickness. If using foot pedal set to zero -- foot pedal
adjusts current
Only active when set to "Pulse" in DC/TIG mode. Sets lower (trough/valley) current (percentage
of the "current"
Base Current
N/A
N/A
N/A
set 20-90%
N/A
above) that is seen during each DC pulse cycle
Rate at which current is dropped after you release the weld trigger. Adjusts time from 0 to 10
seconds. If using
Slope Down Control
N/A
N/A
set 0-10 sec
set 0-10 sec
N/A
foot pedal, set to zero as foot pedal is used to reduce current.
Designed for use when Stick welding, but influences maximum current of all modes. Also called
Dig or Arc Force
Control. Gives a welder variable additional amperage during low voltage (short arc length)
conditions while welding.
S
e
tt
in
g
s
Helps avoid "sticking" stick electrodes when a short arc length is used and gives stick operator
some heat control.
This must be set to maximum to achieve maximum power for all modes, but variable voltage/arc-
length dependent
Arc Force
set 0-100%
set 0-100%
N/A set to max
N/A set to max
N/A set to max
current is only active while stick welding.
D
ia
l
Set from 0.3 to
300
Pulse Frequency
N/A
N/A
N/A
pulses/sec
N/A
Adjusts pulse frequency from 0.5 to 300 Hz. Only active when set to "Pulse" in DC TIG mode.
Only active when set to "Pulse" in DC/TIG mode. Sets width of DC Pulse from 10 to 90% of each
DC pulse cycle.
Pulse Duty
N/A
N/A
N/A
set 10-90%
N/A
This is the duration as % of pulse width (one pulse cycle) of the higher current pulse
Only active in AC welding. Biases the AC current by varying the percentage of current going in
each direction. This
balances the weld heat penetration (DCEN) and cleaning action (DCEP). This setting can help
prevent overheating
and damaging the tungsten vs cleaning oxidation on the work pieces. Middle setting is 50/50. Low
is 20% positive
Set 20-80%,
neutral
on. High is 80% positive on. Large current small clear width and vice versa. This setting
depends on weld
Clear Width
set to 50%
N/A
Set 20-80%
N/A
N/A
penetration needed (current), tungsten diameter, gas flow (tungsten cooling), and existing
work oxidation.
Controls gas flow duration after trigger is released. Higher time uses more gas but helps prevent
oxidation of hot
TIG weld material. Also helps cool weld pool, tungsten electrode, and ceramic cups. Post flow can
also cool freshly
Gas Post Flow
N/A
N/A
Set 1-10 sec
Set 1-10 sec
Set 1-10 sec
cut work pieces and plasma torch parts.
Strength
Electrode Chart Example: E 60 1 3
60--60,000 psi,
Distance between
70--70,000 psi
Weld Position
tungsten and
1--All positions: Flat, Vertical, Horizontal, & Overhead
workpiece should
be
Distance between
Notes
2--Flat Position or Horizontal Fillets Only
2-4 mm, either set
tungsten and
lower current if
cut is
requires slag
removal
current or use
foot
workpiece should
be
too wide. Air flow
is
3--Flat Position Only
with chipping
pedal recommend
2-4 mm, either set
critical to prevent
Weld Characteristics
hammer, use AC for
requires slag
removal
5356 filler rod,
current or use foot
damage to tip. Tilt
0--Non-low hydrogen, DC Reverse polarity
less spatter
(depends
with chipping
remember to
allow
pedal remember
to
nozzle to start
hole
1--Non-low hydrogen, AC or DC Reverse polarity
on electrode
chosen)
hammer
post flow
allow post flow
in thicker
materials.
2--Non-low hydrogen, AC or DC Straight polarity
3--Non-low hydrogen, AC or DC Either polarity
4--Non-low hydrogen, iron powder coating, AC or DC Reverse polarity
5--Low-hydrogen, DC Reverse polarity
6--Low-hydrogen, AC or DC Reverse polarity
7--Non-low hydrogen, iron powder coating, AC or DC Reverse polarity
8--Low hydrogen, iron powder coating, AC or DC Reverse polarity
Polarity Definition
electrode negative =straight polarity (typical stock machine setup)
Содержание WeldAll 160
Страница 1: ...Operating Manual for 160 200 160P 200P AC DC Series Machine...
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Страница 11: ...160 200 160P 200P AC DC Series Machine www longevity inc com 9 What s Included...
Страница 14: ...160 200 160P 200P AC DC Series Machine www longevity inc com Main Unit Pictured WeldAll 160P Multi Purpose Unit...
Страница 27: ...160 200 160P 200P AC DC Series Machine www longevity inc com 25 TIG Function Setting Up The TIG Torch...
Страница 40: ...160 200 160P 200P AC DC Series Machine www longevity inc com...