Areas of application

  • Welding of thin sheets up to 0.3 mm
  • Joining of dissimilar joints, e.g. steel-Al
  • Low distortion welding due to minimal heat input
  • Build-up welding with low mixing between filler and base material
  • Flux-cored welding
  • Optimisation of seam quality through targeted alloying
  • Determination of optimal process design and control for joining
  • Data analysis and process control
  • Joining of ceramics

Procedure

  • E-hand welding
  • MIG/MAG standard/pulse welding*
  • TIG standard/pulse welding*
  • Plasma beam welding with non-transmitting arc
  • MIG brazing*
  • Cold-Metal-Transfer® (CMT) welding*
  • ColdArc® welding*
  • Submerged arc welding
  • Plasma deposition welding
  • Pulse friction stir welding
  • Resistance spot welding
  • Mechanical joining
  • Conventional laser beam welding (with and without filler metal)
  • Remote laser beam welding
  • Laser hybrid process
  • Laser cutting
  • Plasma cutting

* We also carry out these processes fully automatically.

More information on selected procedures
Cold Metal Transfer® (CMT)

Application areas

  • Splash-free welding and brazing
  • Thin sheet metal applications
  • Thick-thin sheet connections
  • Arc joining of dissimilar materials:Steel - SteelAl - AlMg - MgSteel - AlAl - MgSteel - Mg (under investigation)

Process

  • Arc welding process with new method for droplet detachment
  • Back and forth movement (70 times per second) of the wire
  • Droplet transfer with lower heat input compared to conventional arc processes

Advantages

  • Low distortion
  • High gap bridgeability
  • High efficiency due to high welding speeds
  • Good automation and all known MSG advantages
Cold Arc welding

Application areas

  • Splash-free welding
  • Thin sheet applications
  • Reduced energy input
  • Mixed joints
  • Materials:Steel - SteelAl - AlMg - MgAl - Galvanized steelAl - MgMg - Galvanized steel

Process

  • Arc welding process with new method for droplet detachment
  • Droplet transfer with lower heat input compared to conventional arc processes

Advantages

  • Lowest material distortion
  • Seam geometry can be individually influenced
  • Excellent gap bridgeability
  • High efficiency due to high welding speeds
  • Insensitivity to environmental influences
  • Good automation and all known MSG advantages
Submerged arc welding

Areas of application

  • Steel construction, tank construction, shipbuilding
  • Inlay welding up to 25 mm wall thickness
  • materials:
  • unalloyed, low-alloyed, high-alloyed steels
  • Nickel-based alloys

Process

  • High deposition rate - up to 15 kg/h
  • Variation of welding parameters
  • Current: 300-1200 A
  • Voltage: 25-40 V

Advantages

  • High thermal efficiency - up to 70%
  • Selective influenceability of the seam formation
  • High gap bridgeability, multi-layer welds
  • High efficiency due to high welding speeds
  • Insensitivity to environmental influences
  • Good automation capability
Resistance spot welding

Areas of application

  • Automotive and rail vehicle construction, container construction, equipment and cabinet construction, electrical industry.
  • materials:
  • unalloyed, low-alloyed, high-alloyed steels, coated steel sheets
  • aluminium alloys etc.

Advantages

  • good automation
  • short process times under 1 s
  • joints of different sheet thicknesses and material combinations
  • multi-sheet welding
  • little or no rework
  • high economic efficiency due to short process time typical for this method

Equipment

  • Resistance spot welding gun with medium frequency technology, Düring type X 100 ALU
  • stationary resistance spot welding machine in console design with alternating current technology Fa. EST Type TPSBM 2132
  • SPATZ Multi04 weld data recorder with measuring channels for current, voltage, force (current measuring range 3 steps: 2 kA, 20 kA and 200 kA) and integrated quality documentation
  • Electrode cutter

Materials

  • Fine-grained steels
  • High alloy steels
  • Cast steel and cast iron
  • Aluminium
  • Aluminium die casting
  • Magnesium
  • Titanium
  • Nickel-based alloys
  • Copper
  • Technical ceramics
  • Foreign compounds

Offline programming system SKM DCAM for laser beam processing and robotics

  • 2D/3D CAD function
  • Tool simulation
  • Plant simulation up to 6 axes - module package cutting 5 axes
  • CAM modules laser powder and laser wire build-up welding
  • Support for Trumpf offline programming
  • Support for Kuka offline programming
  • Support for Reis offline programming