HBS IT 2002, Operating Manual, Page: 24 / 68

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24
9 Welding Process
Variants of drawn-arc stud welding
Item Drawn arc stud welding with
ceramic ferrule
Drawn arc stud welding with
shielding gas
Short-cycle drawn arc stud
welding with shielding gas
Diameter
welding element d
metric in mm (im-
perial)
3 - 25 (#4 or 12 gage to 1“) 3 - 12 (16)
(#4 or 12 gage to 1/2“ (5/8“)),
by using aluminium up to 12 mm/
1/2“)
3 - 12 (#4 or 12 gage to 1/2“),
by using brass and aluminium
with shielding gas
Max. current I in A 3 000 3 000 2 000
Welding time t in ms 100 - 2 000 100 - 2 000 10 - 100
Energy source Welding rectifier, inverter Welding rectifier, inverter Welding rectifier, inverter
Weld pool protection Ceramic ferrule CF Shielding gas SG Shielding gas SG or
no protection NP
Material welding
element (suitable for
welding)
Mild steel, stainless steel Mild steel, stainless steel, alumi-
nium (up to 12 mm)
Mild steel, stainless steel, brass
and aluminium with shielding gas
Workpiece surface Metallic bright (rolling skin, rust
film, welding primer)
Metallic bright (rolling skin, rust
film, welding primer)
Metallic bright, galvanised
(< 40 µm), slightly oiled
Min. thickness of
workpiece
1/4 d
min. 1 mm
1/8 d
min. 1 mm
1/10 d
approx. 0.7 mm
Adjustable parame-
ters
Welding current
I in A = 80 x d
(up to 16 mm)
Welding current
I in A = 80 x d
(up to 16 mm)
Welding current
I in A = 100 x d
(up to 12 mm)
Welding time
t in ms = 20 x d
(up to 12 mm)
Welding time
t in ms = 20 x d
(up to 12 mm)
Welding time
Lift
(arc length)
Lift
(arc length)
Lift
(arc length)
Protrusion, immersion speed
(plunge damper from 14 mm
diameter)
Protrusion, immersion speed
(plunge damper from 14 mm
diameter)
Protrusion, immersion speed