Design and function
General
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099-011445-EW501
24.06.2021
5.5 General
TIG torches are connected to the power source via the hose package. The following components are
guided through the hose package:
• welding current lead
• shielding gas supply
• control cable
With water-cooled TIG welding torches, the
• coolant supply and
• coolant return
are also guided through the hose package.
With TIG welding, the welding consumable is usually added manually in form of a stick. With fully auto-
matic machines, the welding consumable is usually added as a wire by a separate wire feeder.
5.6 Function specification
5.6.1 Operating elements
5.6.1.1 Standard TIG torch (5-pole)
Figure 5-3
Item Symbol Description
0
1
Torch trigger
TIG torches are equipped with a torch trigger. This trigger is used to:
• switch the welding current on and off,
• reduce the current during welding to a secondary current by tapping it.
Tapping function: Swiftly tap the torch trigger to change the function. The set torch mode determines the
operating mode.
