InvertaPuls IP4-3
Operation Manual
Page 6
2.5 Torch wire liner
For mild steel, the wire feed tube consists of a steel spiral. When using wire electrodes
made of chromium-nickel-steel and of aluminum and other metals, a tube of wear-resistant
plastic (for example Teflon) is used. Plastic guides have a lower friction coefficient than
steel.
Make sure the contact tip match the manufacturer’s recommendations for type and diameter
of used wire.
In case Teflon liner is used is it necessary to use contact neck liner out of brass to provide
good current conduction to the fill wire.
Material
Wire diameter
Liner material
Liner color
Fe
0,8mm
steel spiral
or
Teflon
1,0mm
1,2mm
Inox
0,8mm
Teflon
1,0mm
1,2mm
AlMg, AlSi
1,0mm
Teflon
1,2mm
CuSi3
0,8mm
Teflon
1,0mm
1,2mm
CuAl8
0,8mm
Teflon
1,0mm
Liner color:
Blue: Art.N° 337139
Red: Art.N° 337142
Black: Art.N° 337147
