1 Introduction Page 6
Stud welding units Operating manual Date: July 2021
INTRA 2100/1400 07.2021 / EN Rev.: A
Drawn arc process with shielding gas
(BH 100 SG per DVS 0902)
For special cases, the INTRA 2100/1400 welding device can be retrofitted with a
gas module for stud welding under shielding gas. Here changes to the performance
data and parameter inputs must be taken into account.
Ceramic ring not required.
The weld studs for this weld process contain no aluminium preparation.
Only diameters up to 10 mm can be welded under shielding gas. The weld must be
in tub position, because otherwise the fluid weld metal will flow out of the welding
location. A fillet-shaped weld bead always forms, no dimensionally accurate
reproducible bead, as when welding with a ceramic ring.
For this, follow the applicable special regulations for welding under shielding gas (e.g.
DGUV-R 100-500, Chapter 2.26: “Welding, cutting and related processes”). Your
Tucker technical consultant will be happy to give you more information.
1.3.2 Short cycle weld process
(BH 10 per DVS 0902)
Due to its easy, flexible use, the short cycle weld process is one of the safest, most
versatile processes in sheet metal working.
In this process, generally studs up to 8 mm in diameter without a ceramic ring are
welded. Due to the short weld times of no more than 0.1 second, the melt zone is
narrow and the heat input is low, so that welding can easily be done on sheet metal
as thin as 0.6 mm. The short weld time also allows welding of some materials of
different kinds (e.g. brass studs on sheet steel), welding of galvanized studs on
galvanized sheet metal, and welding on easily contaminated surfaces.
Tucker SC weld studs have a special conical welding tip adapted to this process.
The enlarged flange diameter increases the mechanical resilience of short cycle
welding.
welding flange
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