TBi Industries TBi PP-TX Betriebsanleitung Seite 63

Operating instructions TBi PP-TX welding torch
Fault
Wire feed during the
welding process is
irregular or stops
and welding wire
exhibits dents or
striation
No wire feeding
Subject to change without notice.  2020 TBi Industries GmbH
Possible causes
Drive unit (wire feeding roll and counter-
pressure roll) is contaminated with wire
abrasion
Wire feeding roll is damaged (worn out)
Wire feed at the welding power source (wire
feeder) does not initiate.
Wire feed of the welding power source (wire
feeder) is configured wrongly.
The torch drive unit is not equipped with the
suitabledrive roll (100)
The drive unit properly in not closed and
locked after threading in of the wire
Wire splatter is stuck to the contact tip or the
contact tip is affected by wear.
The cable assembly and torch are not
suitably equipped for the material and the
wire diameter
TBi Industries GmbH
Measures
Clean drive unit with compressed air, then
close cover (4). Open drive unit by unlocking
the tension spring holder (14) and opening
the pressure roll holder (20).
Replace wire feeding roll
(see section 3)
Check whether the TBi control board is
correctly connected to the power source and
control cable (torch). Check function of
welding machine and wire feeder, if needed.
Check for correct setting of the welding
power source (wire feeder) according to
manufacturer's instructions.
Check that the size of drive roll is correct for
the welding wire used.
Open cover (4). Close pressure roll holder
(20) properly and lock tension spring holder
(14). Check whether the counter-pressure
roll is applying sufficient pressing force.
(see Section 4.3, Point 7).
Replace the contact tip.
Check the core in the assembly cable and
torch neck, as well as the contact tip.
(see Section 3.3.5, 3.3.6)
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