Machine Control - Operating Elements - EWM Tetrix 451 AC/DC AW FW Operating Instructions Manual

Machine control – Operating elements
4.3
Item Symbol
1
2
3
099-000115-EW501
20.11.2017
Machine description – quick overview
Description 0
Polarity changeover (TIG manual) button
DC welding with positive polarity on the
electrode holder in relation to the
workpiece (pole reversing switch, MMA
only).
DC welding with negative polarity at the
torch (or electrode holder) with respect
to the workpiece.
AC welding with rectangular current
output wave form. Maximum power
loading and safe welding.
AC welding with trapezoidal current
output wave form. An all-rounder,
suitable for most applications.
AC welding with sinusoidal current
output wave form. Low noise level.
"Welding process" button
MMA welding, lights up in green / arcforce setting, lights up in red
TIG synergic welding (synergic parameter setting)
TIG manual welding (manual parameter setting)
Tungsten electrode diameter push-button > see 5.7.3 chapter
Ignition optimisation > see 5.7.5 chapter
Tungsten balling > see 5.7.6 chapter
Machine control – Operating elements
Figure 4-5
Select material type (TIG
Synergic) key button
Chrome/nickel alloys / iron /
steel alloys
Copper / copper alloys
(bronzes) / copper/zinc alloys
(brass)
Aluminium/magnesium alloys
Aluminium/silicon alloys
99% aluminium
23