General; Function Specification; Operating Elements; Standard Tig Torch (5-Pole) - EWM TIG 18 WD Operating Instructions Manual

Design and function

General

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)

Item Symbol
1
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.
22
Description 0
Torch trigger
Figure 5-3
099-011445-EW501
24.06.2021