Fronius VR 5000 noSpool, Operating Instructions Manual

Page: 52 / 132

52
Feeding in the wire electrode
Feeding in the
wire electrode
CAUTION!
Risk of injury from springiness of spooled wire electrode.
When inserting the wire electrode into the 4-roller drive, hold the end of the wire electrode
firmly to avoid injuries caused by the wire springing back.
CAUTION!
Risk of damage to the welding torch from sharp end of wire electrode.
Deburr the end of the wire electrode well before feeding in.
1 2
CAUTION!
Risk of injury from wire electrode emerging at speed.
When pressing the Feeder inching button or the torch trigger, keep the welding torch away
from your face and body, and wear suitable protective goggles.
IMPORTANT! To facilitate the exact positioning of the wire electrode, the following se-
quences are possible when the Feeder inching button is pressed and held down.
- Hold the button for up to one second
... the wire feed speed stays at 1 m/min
or 39.37 ipm for the first second.
- Hold the button for up to 2.5 seconds
... after one second has elapsed, the
wire feed speed increases at a uniform
rate over the next 1.5 seconds.
- Hold the button for more than 2.5 se-
conds ... after 2.5 seconds, the wire is
fed at a constant rate equal to the wire
feed speed set for the Fdi welding pa-
rameter.
2
1
4
3
1
4
1
2
3
2
Fdi
1
2 3 4 5 2,5 1
t (s)
(m/min, ipm)