Troubleshooting
Problem
Not getting required
penetration
Porosity in welds
If the solutions listed above do not
solve the mentioned problems or
if you are not sure which proce-
dure to follow, consult your local
LORCH dealer.
Also do not forget to consult the
i
operating
welding machine and the technical
details of the respective suppliers
for tungsten electrodes, gas, basic
and additional materials etc. .
12.15
Possible cause
– gas flow too low
– current too low
– electrode not grinded properly
– travel speed to high
– contaminants on material
– plasma gas flow rate too high
– inadequate shield gas coverage
instructions
of
your
Solution
– increase flow
– increase current
– grinding electrode
– decrease travel speed
– clean material
– reduce
– ncrease flow or use gas lens
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