20
Welding in TIG mode
– No Pulse – No remote foot pedal
1.
Connect the Tig Torch to machine, connect earth lead to machine & work piece.
2.
Set to Tig mode pulse off (Fig 4.21)
3.
Select 2 or 4 way torch operation (Fig 4.22)
4.
Connect Argon gas and set flow to approx 8-12 LPM
5.
Set Gas post flow to 3 x diameter of tungsten width (Fig 4.14)
6.
Adjust welding amps to desired welding current
7.
Press the Tig torch switch to start welding and release to finish
Welding in TIG mode
–with Pulse – No remote foot pedal
1.
Connect the Tig Torch to machine, connect earth lead to machine & work piece.
2.
Set to Tig mode pulse on (Fig 4.21)
3.
Select 2 or 4 way torch operation (Fig 4.22)
4.
Connect Argon gas and set flow to approx 8-12 LPM
5.
Set Gas post flow to 3 x diameter of tungsten width
6.
Adjust Pulse freq. to desired setting (how often pulse happens) (Fig 4.9)
7.
Adjust base amperage % (Fig 4.8)
8.
Adjust pulse width to desired setting (how long pulse happens) (Fig 4.7)
9.
Adjust main current for maximum welding current (Fig 4.6)
10. Press the Tig torch switch to start welding
The benefits of pulse welding is the ability to control the weld pool and amount of heat absorbed by
work resulting in a smaller heat affected zone which results in fewer deformations and reduced
chance of cracking. There are no set rules for pulse welding as this is down to personal choice by
the welder.
Welding in TIG mode
– with Remote foot pedal
1.
Connect the Tig Torch to machine, connect earth lead to machine & work piece.
2.
Connect remote foot pedal to machine
3.
Set to Tig mode pulse off or Tig mode pulse on (Fig4.21)
In welding with pulse in foot pedal, the foot pedal controls peak main welding amperage
4.
Select 2 way torch operation
– (Fig 4.22)
Foot pedal will not work in 4-WAY mode
5.
Connect Argon gas and set flow to approx 8-12 LPM
6.
Set Gas post flow to 3 x diameter of tungsten width
7.
Adjust peak current knob on machine to desired maximum welding current that foot pedal
will go to.
8.
Press the foot pedal to start welding. (on maximum depression it will go to maximum amps
set on machine)
Note: When welding with remote foot pedal
When pressing of foot pedal welding arc will start, if you find it hard to start arc push pedal down a
bit further to aid starting.
The benefits of a remote foot pedal is greater control of amount of heat going into work. Press
pedal fully to start weld, upon weld pool formation you can release the pedal to decrease amperage
to sustain perfect weld pool and increase again as required to sustain weld characteristics.
The foot pedal adjusts from Start (min) current to maximum current as set on main current knob on
front of machine.