REHM INVERTIG.PRO 240 DC Betriebsanleitung Seite 85

Functio onal desc cription
Torch bu utton 1
Gas valv ve
Welding current
Manua al pulsing:
If torch h button 1 is s pressed du
TIG 2-s step function n, the welding
welding g. Dependin ng when, du
pressed d, the mediu um energy ca
Figure 4: Procedure e for manual
3.5.11 1 End cra ater curren
Setting of the end crater curre
3.5.1. T The end crat ter current is
of the welding proc cess. The s
100% o of the selec cted current
current t 40% and w welding curre
a suitab ble end crate er current en

Prev vention of no otches and e
coo ling of the we eld

Man nual pulsing (see Chapte

Wel ding with red duced curren
hot spots
3.5.12 2 Gas pos st-flow tim
Setting of the gas p post-flow time
The ga as post-flow t time is the ti
the ine rt gas valve is closed ag
work pi iece and the tungsten ne
are cold d. The pre-se elected gas
carried out previou usly. Acciden
gas po st-flow time. This gas m
used.
uring the cur rrent downslo
g current im mediately jum
uring the d ownslope ti
an be selecte ed directly an
l pulsing
nt l
e
ent l [12] is carried out
e
s the welding g current that
etting is ste plessly adjus
I (but maxi mum Imax.,
1
nt I 100 A - > end crater
1
ables:
end crater te ars at the en
er 3.5.10)
nt at the end of a seam w
me
e [13] is carr ried out as de
me that pas ses after the
gain. The pos st-flowing of
eedle from at tack by the o
post-flow tim me is only effe
ntally pressin ng the butto
anagement f function sink
ope time wh hen using th
mps to the v value used fo
me, the tor rch button
nd steplessly y.
t t
t t
t t
as describe ed in Chapte
t is dropped to at the en
stable betwe een 10% an
, for exampl le, end crate
r current 40 A). Selectin
nd of the sea am by too fas
when working g on edges o
escribed in C Chapter 3.5.1
e arc goes o out and befor
the inert ga s protects th
oxygen in the e air until the
fective if weld ding has bee
on does not complete th
ks the amoun nt of inert ga
he
or
is
GB
er
nd
nd
er
ng
st
or
1.
re
he
ey
en
he
as
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