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Welding Equipment | Products | High-Power TIG


Representatives from Kjellberg and Linde are planting a small leaf linden
Cooperation with Linde sealed
Small leaf linden symbolises partnership

 Presentable welding samples, welded with PSI 400
PTA Welding with Optimum Deposit
Variable processing of welding powder with new torch

InFocus welding in our application centre
Welding Parameters for InFocus determine
Feasibility studies help tapping the full potential of InFocus

InFocus: Precise, reliable und reproducible

InFocus is a high-performing TIG technology. Its precision and reliability make the InFocus welding process particularly suitable for automated  applications in combination with linear axles, robots and other guiding systems. Nearly all steels, non-ferrous metals or galvanized sheets can be welded in one layer with or without filler material; e.g. CrNi-steels with a material thickness of up to 10 mm.

For welding root layers of thicker sheets, the InFocus welding process offers an alternative. By using the TIG keyhole welding process, the web can be made bigger. This reduces the seam cross section and thus the number of the required layers during the subsequent submerged-arc welding. It is also not necessary to gouge the root when using the InFocus welding process for the root layer.

The InFocus torches are at the heart of this technology. Due to their highly efficient cooling, the arc is concentrated at the tip in such a strong way, so that the special arc, process and joining properties can be achieved. The patented torch construction makes a quick change of the consumables possible and ensures a defined position of the cathode tip (tool center point TCP) without additional adjustment.
InFocus torches 500 and 1000 AWelding of galvanised pipes at a profiling systemWelding of Titanium sheetsRoot welding with InFocus: root face 8 mm
Welding of an aluminium foil 0.2 mm thickWelding of aluminium with an edge fillet weldRoot welding on copperInFocus brazing of a lap joint

The advantages at a glance

  • Thicknesses up to 10 mm (single layer)
  • Nearly all steels, non-ferrous metalls (e.g. copper, aluminium, zinc) as well as galvanised sheets
  • 3 torch types for various accessibility requirements
  • Though torches with closed cooling circuit
  • Reliable and nearly free of spatters
  • Fast change of cathodes with defined TCP (± 0,1mm)
  • Increased welding and brazing speed
  • High quality of weld, narrow heat effected zone, low distortion
  • Very well protection gas cover
  • Need of helium in many cases reduced respectively completely replaced
InFocus welding with a longitudinal welding machine Demonstration InFocus with trailing shield Sheet welding at clamping device Circumferential welding with InFocus PDF-Datei PDF-Datei
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