Setup and connection
44 Operating Instructions Soyer Bolzenschweißtechnik
12.2 Connection of the stud welding device and the stud welding guns
12.2.1 Mains connection
After installation, connect the stud welding device to power supply using the
mains plug. See chapter “6.4 Technical data on BMS-8N(V) stud welding device”
on page 23.
12.2.2 Connecting the earth cable
A secure earth connection must be
established between the workpiece
onto which the studs are welded
and the stud welding device.
Plug two earth cables into the sock-
ets (a) and turn the plugs to the right
up to the stop.
Then connect the earth cable to the
workpiece (ensure a conductive
connection).
Then attach the earth clamps to the
workpiece so that the welding gun is positioned in the centre of the connecting
line of the two earth clamps. This guarantees a symmetrical current distribution
around the stud as well as good welding results.
Difficult areas are weldings on the edge of the workpiece or great inhomogenei-
ties in material thickness, i.e. the sheet thickness varies by a few millimetres or
additional material is welded or riveted to the material. This also includes stud
welding on vertical sections.
In order to achieve good welding results, carry out several test weldings under dif-
ferent conditions. Simply change the position of the earth clamps or turn the weld-
ing gun, for example.
You can determine the symmetry and quality of the arc during the preweld current
test and afterwards optimise them by accordingly combining the earth connection
and the gun position.
ißtechnik GmbH · Etterschlag · Inninger Str. 14 · 82237 Wörthsee · Tel.: 0 81 53/885-0
70
Ø 3
100
Ø 4
115
Ø 5
140
Ø 6
175
Ø 7
190
Ø 8
000
a
a
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